Automatic pull-out mechanism for watch case injection molding

Abstract

The application discloses an automatic pulling-out mechanism for watchcase injection molding, comprising a mounting base plate, a sliding groove is arranged on the mounting base plate, the sliding groove has a straight section sliding groove and an extension section sliding groove, the extension section sliding groove is communicated with the straight section sliding groove, and the extension section sliding groove extends towards the outside, a pulling structure is movably connected with the sliding groove, so that the pulling structure can move along the straight section sliding groove and the extension section sliding groove, and a driving mechanism is connected with the pulling structure, and the driving mechanism is used for driving the pulling structure to move. The application can realize automatic taking-out of the cushion block in the injection molding process, and facilitates automatic processing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water meter shell production, and particularly relates to an automatic pulling mechanism for water meter shell injection molding. BACKGROUND

[0002] Referring to Figure 1 As shown in the figure, it is an injection molded water meter shell, which has a shell body 100, and a cavity 400 for water flow inside the shell body 100, and a first pipe segment connecting end 200 and a second pipe segment connecting end 300 are arranged on the shell body 100, and the first pipe segment connecting end 200 and the second pipe segment connecting end 300 are hollow inside, so that during the injection molding of the water meter shell, a pad block needs to be arranged at the corresponding position of the inner hole of the first pipe segment connecting end 200 and the second pipe segment connecting end 300, and after injection molding, the two pad blocks need to be taken out of the cavity 400, and in the prior art, the pad blocks are manually taken out, which is low in work efficiency and inconvenient to take out and cannot realize automatic processing. SUMMARY

[0003] The present application provides an automatic pulling mechanism for water meter shell injection molding, which can automatically take out the pad block during injection molding and facilitate automatic processing.

[0004] In order to solve the above technical problems, the present application provides an automatic pulling mechanism for water meter shell injection molding, comprising:

[0005] A mounting plate is provided with a sliding groove, the sliding groove has a straight section sliding groove and an extension section sliding groove, the extension section sliding groove is communicated with the straight section sliding groove, and the extension section sliding groove extends outward;

[0006] A pulling structure is movably connected with the sliding groove so that the pulling structure can move along the straight section sliding groove and the extension section sliding groove;

[0007] A driving mechanism is connected with the pulling structure, and the driving mechanism is used to drive the pulling structure to move.

[0008] As a preferred technical solution of the above, the number of the pulling structures is two, and the number of the sliding grooves is two, the extension direction of the extension section sliding groove of one sliding groove is opposite to that of the extension section sliding groove of the other sliding groove, one pulling structure can move along the first sliding groove, and the other pulling structure can move along the second sliding groove.

[0009] As a preferred form of the above technical solution, the pulling structure comprises a long plate, a short plate and a sliding shaft, one end of the short plate is hinged to one end of the long plate, the sliding shaft is installed on the short plate, and the sliding shaft is slidingly arranged in the sliding groove so that the sliding shaft can move along the sliding groove.

[0010] As a preferred form of the above technical solution, long grooves are formed in the long plates of the first pulling structure and the second pulling structure, the extension direction of the long grooves is consistent with the extension direction of the straight sliding groove, the long plate of the first pulling structure is located above the long plate of the second pulling structure, and the long grooves formed in the two long plates at least partially overlap, and the driving mechanism at least comprises a driving shaft, the driving shaft is arranged in the long grooves of the two long plates.

[0011] As a preferred form of the above technical solution, the length of the long groove on one of the long plates is greater than the length of the long groove on the other long plate.

[0012] As a preferred form of the above technical solution, the automatic pulling-out mechanism for watch case injection molding further comprises a limiting plate, the limiting plate is arranged on the upper surface of the mounting bottom plate, the two side surfaces of the limiting plate are respectively provided with a first accommodating space and a second accommodating space which are recessed downward, the two pulling structures are respectively arranged in the first accommodating space and the second accommodating space, first and second limiting grooves are arranged on the limiting plate corresponding to the two sliding grooves, the first and second limiting grooves are located between the first and second accommodating spaces, and the first and second limiting grooves both pass through the first and second accommodating spaces, one of the two sliding shafts passes through the first limiting groove and extends into the sliding groove corresponding to the first limiting groove, and the other sliding shaft passes through the second limiting groove and extends into the sliding groove corresponding to the second limiting groove.

[0013] As a preferred form of the above technical solution, the side surface of the first accommodating space is provided with a first positioning opening recessed outward, the long plate arranged in the first accommodating space is provided with a protruding portion corresponding to the first positioning opening, the side surface of the second accommodating space is provided with a second positioning opening recessed outward, the long plate arranged in the second accommodating space is provided with a protruding portion corresponding to the second positioning opening, and the recessed directions of the first and second positioning openings are opposite.

[0014] As a preferred form of the above technical solution, the rear ends of the two long grooves both extend outward, and the extension directions of the rear ends of the two long grooves are opposite.

[0015] Preferably, the lower surface of the mounting base is provided with a sliding opening consistent with the extension direction of the straight sliding groove, and the sliding opening is provided with a moving block.

[0016] Preferably, the front end of the moving block is provided with a pickup jig.

[0017] The application provides an automatic pulling mechanism for watch case injection molding, which comprises a mounting base, a pulling structure and a driving mechanism, wherein the mounting base is provided with a sliding groove, the sliding groove comprises a straight sliding groove and an extension sliding groove, the extension sliding groove is communicated with the straight sliding groove and extends outward, and when working, the pulling structure is connected with a cushion block in the injection molding process, and the driving mechanism drives the pulling structure to move along a set track, specifically, the pulling structure first moves along the extension sliding groove and then moves along the straight sliding groove, and when the pulling structure moves from the bottom of the sliding groove, the moving track is first moving to the center position of the watch case, then moving to the position of the top opening of the watch case, and then moving away from the watch case, so that the cushion block is pulled out from the top opening of the watch case.

[0018] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, the specific embodiments of the application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specific embodiments of the application are described. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A three-dimensional structure schematic diagram of a watch case to be processed in the embodiment of the application is shown;

[0020] Figure 2 A three-dimensional structure schematic diagram of an automatic pulling mechanism for watch case injection molding in the embodiment of the application is shown;

[0021] Figure 3 A connection structure schematic diagram of the automatic pulling mechanism and the watch mold in the embodiment of the application is shown;

[0022] Figure 4 A three-dimensional exploded schematic diagram of an automatic pulling mechanism for watch case injection molding in the embodiment of the application is shown;

[0023] Figure 5 A connection structure schematic diagram of two pulling structures and the mounting base in the embodiment of the application is shown;

[0024] Figure 6 A front three-dimensional structure schematic diagram of a limiting plate in the embodiment of the application is shown;

[0025] Figure 7 Fig. 6 shows a schematic diagram of the reverse side of the limiting plate in the embodiment of the present application;

[0026] Figure 8 Fig. 7 shows a schematic diagram of the connection structure between the pulling structure and the first pad block in the embodiment of the present application;

[0027] Figure 9 Fig. 8 shows a schematic diagram of the connection structure between the other pulling structure and the second pad block in the embodiment of the present application;

[0028] Figure 10 Fig. 9 shows a schematic diagram of the connection structure between the pickup jig and the third pad block in the embodiment of the present application. DETAILED DESCRIPTION

[0029] In order to make the objectives, characteristics and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] Referring to Figures 1 to 10 Fig. 1 shows an automatic pulling mechanism for watch case injection molding provided by the embodiment of the present application, which comprises:

[0031] A mounting bottom plate 20 is provided with a sliding groove 201, the sliding groove 201 has a straight section sliding groove 2011 and an extension section sliding groove 2012, the extension section sliding groove 2012 is communicated with the straight section sliding groove 2011 and extends towards the outside;

[0032] A pulling structure 30 is movably connected with the sliding groove 201 so that the pulling structure 30 can move along the straight section sliding groove 2011 and the extension section sliding groove 2012;

[0033] A driving mechanism is connected with the pulling structure 30, and is used to drive the pulling structure 30 to move.

[0034] The automatic pulling mechanism of the embodiment is connected with the cushion block in the injection molding process when working, and drives the pulling structure 30 to move along the set track. Specifically, it first moves along the extension section sliding groove 2012, and then moves along the linear section sliding groove 2011. When the pulling structure 30 starts to move from the bottom of the sliding groove 201, the moving track is first moved to the center position of the water meter shell 3, and then moved to the position of the top opening of the water meter shell 3 when moving to the center position, and then moved away from the water meter shell 3, so as to pull the cushion block out of the top opening of the water meter.

[0035] In a further implementation manner of the embodiment, the number of pulling structures 30 is two, and the number of sliding grooves 201 is two. The extension direction of the extension section sliding groove 2012 of one sliding groove 201 and the extension section sliding groove 2012 of another sliding groove 201 is opposite. One pulling structure 30 can move along the first sliding groove 201, and the other pulling structure 30 can move along the second sliding groove 201.

[0036] In the embodiment, the number of pulling structures 30 is two, and the number of sliding grooves 201 corresponds to the number of pulling structures 30. In the embodiment, the extension section sliding groove 2012 is arranged at one end of the linear section sliding groove 2011 close to the injection mold 2. The extension directions of the two extension section sliding grooves 2012 are opposite, which can pull the first cushion block 600 corresponding to the first pipe section connecting end 200 and the second cushion block 700 corresponding to the second pipe section connecting end 300 out of the water meter shell 3.

[0037] Referring to Figure 3 In the embodiment, the two pulling structures 30 extend into the cavity 400 of the water meter shell 3, and the water meter shell 3 is located on the injection mold 2.

[0038] In a further implementation manner of the embodiment, the pulling structure 30 includes a long plate 301, a short plate 302, and a sliding shaft 305. One end of the short plate 302 is hinged to one end of the long plate 301. The sliding shaft 305 is installed on the short plate 302 and is slidingly arranged in the sliding groove 201 so that the sliding shaft 305 can move along the sliding groove 201.

[0039] In the working process of the embodiment, the long plates 301 and the short plates 302 are hinged to each other. When the long plate 301 moves away from the injection mold 2, the long plate 301 pulls the short plate 302 to move, so that the sliding shaft 305 slides from the extension slot 2012 to the linear slot 2011, the angle between the long plate 301 and the short plate 302 increases, specifically, the short plate 302 rotates clockwise relative to the long plate 301, and the long plate 301 and the short plate 302 are hinged through the shaft. In addition, the lower end of the sliding shaft 305 in the embodiment is connected with the cushion block, specifically, the cushion block has a insertion hole, and the sliding shaft 305 is inserted into the insertion hole of the cushion block.

[0040] In a further implementation manner of the embodiment, the long plate 301 of the first pulling structure 30 and the long plate 301 of the second pulling structure 30 are both provided with a long slot 303, the extension direction of the long slot 303 is consistent with the extension direction of the linear slot 2011, the long plate 301 of the first pulling structure 30 is located above the long plate 301 of the second pulling structure 30, and the long slots 303 provided on the two long plates 301 at least partially overlap, and the driving mechanism at least includes a driving shaft 50, and the driving shaft 50 is arranged in the long slots 303 of the two long plates 301.

[0041] The long plates 301 in the embodiment overlap each other, and the two short plates 302 connected with the two long plates 301 are in a substantially symmetrical state, which is in a oblique outward state, and the overall structure is compact, which is convenient for the layout of the whole structure. In addition, the sliding shaft 305 in the embodiment can drive the two long plates 301 to move at the same time.

[0042] In a further implementation manner of the embodiment, the length of the long slot 303 on one of the long plates 301 is greater than the length of the long slot 303 on the other long plate 301.

[0043] The two long plates 301 in the embodiment overlap each other, and the lengths of the long grooves 303 are different, so that the first pad 600 and the second pad 700 can be pulled out in sequence. Specifically, the two long grooves 303 are aligned at the end close to the injection mold 2, the two long grooves 303 are not aligned at the end away from the injection mold 2, the sliding shaft 305 is in contact with the end of the long groove 303 close to the injection mold 2, and when the sliding shaft 305 moves away from the injection mold 2, the sliding shaft 305 first contacts the distal end of the long groove 303 below, so that the long plate 301 below is first moved to pull out one of the first pad 600 and the second pad 700. Then, the sliding shaft 305 contacts the distal end of the long groove 303 above, and during the further movement of the sliding shaft 305, the two long plates 301 can be moved together, which causes the two pads to be in a staggered state. The two pads can be pulled out from the upper end opening of the water meter case 3 in sequence, which can effectively prevent the two pads from being stuck due to the restriction of the upper end opening, and can more smoothly pull out the two pads. In addition, the overall structure is simple and ingenious in design, which not only works stably but also has low manufacturing cost.

[0044] In a further implementation manner of the embodiment, the automatic pulling-out mechanism for the case injection also includes a limiting plate 10 arranged on the upper surface of the mounting bottom plate 20. The two side surfaces of the limiting plate 10 are respectively provided with a first accommodating space 103 and a second accommodating space 105 recessed downward. Two pulling structures 30 are arranged in the first accommodating space 103 and the second accommodating space 105, respectively. The limiting plate 10 is provided with a first limiting groove 101 and a second limiting groove 102 corresponding to the two sliding grooves 201. The first limiting groove 101 and the second limiting groove 102 are located between the first accommodating space 103 and the second accommodating space 105, and both the first limiting groove 101 and the second limiting groove 102 penetrate the first accommodating space 103 and the second accommodating space 105. One of the two sliding shafts 305 penetrates the first limiting groove 101 and extends into the sliding groove 201 corresponding to the first limiting groove 101, and the other sliding shaft 305 penetrates the second limiting groove 102 and extends into the sliding groove 201 corresponding to the second limiting groove 102.

[0045] The first accommodating space 103 and the second accommodating space 105 in the embodiment are respectively used for accommodating the two pulling structures 30, which not only makes the overall layout more reasonable and saves installation space, but also makes the movement of the two pulling structures 30 more stable. Specifically, the side surfaces of the two long plates 301 are in contact with the inner side surfaces of the first accommodating space 103 and the second accommodating space 105, which plays a role in positioning and moving the long plates 301 along the inner side surfaces of the first accommodating space 103 and the second accommodating space 105.

[0046] In a further implementation of the embodiment, the side of the first accommodating space 103 is provided with a first positioning opening 104 recessed to the outside, the long plate 301 located in the first accommodating space 103 is provided with a protruding part 304 corresponding to the first positioning opening 104, the side of the second accommodating space 105 is provided with a second positioning opening 106 recessed to the outside, the long plate 301 located in the second accommodating space 105 is provided with a protruding part 304 corresponding to the second positioning opening 106, and the recessed directions of the first positioning opening 104 and the second positioning opening 106 are opposite.

[0047] In the state that the two long plates 301 do not move, the two protruding parts 304 are located in the first positioning opening 104 and the second positioning opening 106 respectively, so that the two pulling structures 30 are in the locked state, which can ensure that the pulling structures 30 remain stable when not working, and prevent them from moving during the injection molding process to affect the product quality.

[0048] In a further implementation of the embodiment, the rear ends of the two long grooves 303 extend to the outside, and the extension directions of the rear ends of the two long grooves 303 are opposite.

[0049] Since the rear ends of the two long grooves 303 extend to the outside, when the sliding shaft 305 moves to the rear end of the long groove 303, it can move along the tail end of the long groove 303 to the bottom of the long groove 303. Since the rear end of the long groove 303 extends to the outside, it can make the protruding part 304 respectively separate from the first positioning opening 104 and the second positioning opening 106, which facilitates the unlocking process and can facilitate the separation of the protruding part 304 from the first positioning opening 104 and the second positioning opening 106.

[0050] In a further implementation of the embodiment, the lower surface of the mounting bottom plate 20 is provided with a sliding opening 202 consistent with the extension direction of the straight-line sliding groove 2011, the sliding opening 202 is slidably provided with a moving block 40, and a driving shaft 50 is arranged on the moving block 40.

[0051] It drives the driving shaft 50 to move by moving the moving block 40 along the sliding opening 202.

[0052] In addition, the two sides of the water meter bottom are provided with outward spherical recesses 500, so two third pads 800 are symmetrically arranged at positions corresponding to the spherical recesses 500, and the third pads 800 need to be taken out of the cavity 400 after the injection is completed.

[0053] In a further implementation of the embodiment, the front end of the moving block 40 is provided with a taking jig 401 for connecting with the third pad 800, which takes out the third pad 800 from the cavity 400 by moving the moving block 40.

[0054] In addition, specifically, the inner side surfaces of the two third pads 800 are provided with T-shaped sliding grooves 8001, the pickup jig 401 is a conical structure, and the two side conical surfaces of the pickup jig 401 are provided with T-shaped sliding rails 402 corresponding to the pickup jig 401. When working, the pickup jig 401 extends into the space between the two third pads 800, and the T-shaped sliding rails 402 are inserted into the T-shaped sliding grooves 8001. Since the pickup jig 401 is a conical structure, when the T-shaped sliding rails 402 are inserted into the T-shaped sliding grooves 8001, the two third pads 800 are close to each other along the two side conical surfaces to make the two third pads 800 separate from the spherical concave 500, and after the T-shaped sliding rails 402 are inserted into the T-shaped sliding grooves 8001, the third pads 800 can be taken out of the cavity 400 during the backward movement of the moving block 40.

[0055] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the present specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0056] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0057] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An automatic pull-out mechanism for case injection molding, characterized by, The utility model relates to a kind of automatic pulling mechanism for watchcase injection molding, including: Mounting base is provided with sliding slot on the mounting base, the sliding slot has straight section sliding slot and extension section sliding slot, the extension section sliding slot is communicated with the straight section sliding slot, and the extension section sliding slot extends towards outside; Pulling structure is movably connected with the sliding slot so that the pulling structure can move along the straight section sliding slot and the extension section sliding slot; Driving mechanism is connected with the pulling structure, and the driving mechanism is used to drive the pulling structure to move; The number of the pulling structure is two, and the number of the sliding slot is two, the extension direction of the extension section sliding slot of one sliding slot and the extension section sliding slot of another sliding slot is opposite, one pulling structure can move along the first sliding slot, and another pulling structure can move along the second sliding slot; The pulling structure includes long plate, short plate and sliding shaft, one end of the short plate is hinged with one end of the long plate, the sliding shaft is installed on the short plate, and the sliding shaft is slidably arranged in the sliding slot so that the sliding shaft can move along the sliding slot; Long slot is formed in the long plate of the first pulling structure and the second pulling structure, the extension direction of the long slot is consistent with the extension direction of the straight section sliding slot, the long plate of the first pulling structure is located above the long plate of the second pulling structure, and the long slots formed in the two long plates at least partially overlap, and the driving mechanism at least includes driving shaft, and the driving shaft is arranged in the long slots of the two long plates.

2. Automatic pull-out mechanism for the injection moulding of watch cases according to claim 1, characterized in that, The length of the long slot on one long plate is greater than the length of the long slot on another long plate.

3. Automatic pull-out mechanism for the injection moulding of watch cases according to claim 2, characterized in that, The automatic pulling mechanism for watchcase injection molding further includes limiting plate, the limiting plate is arranged on the upper surface of the mounting base, the two side surfaces of the limiting plate are respectively provided with downwardly recessed first accommodating space and second accommodating space, the two pulling structures are respectively arranged in the first accommodating space and the second accommodating space, first limiting slot and second limiting slot are arranged on the limiting plate corresponding to the two sliding slots, the first limiting slot and the second limiting slot are located between the first accommodating space and the second accommodating space, and the first limiting slot and the second limiting slot both penetrate the first accommodating space and the second accommodating space, one of the two sliding shafts penetrates the first limiting slot and extends into the sliding slot corresponding to the first limiting slot, and the other sliding shaft penetrates the second limiting slot and extends into the sliding slot corresponding to the second limiting slot.

4. Automatic pull-out mechanism for the injection moulding of watch cases according to claim 3, characterized in that, The side surface of the first accommodating space is provided with outwardly recessed first positioning opening, the long plate located in the first accommodating space is provided with protruding portion corresponding to the first positioning opening, the side surface of the second accommodating space is provided with outwardly recessed second positioning opening, and the long plate located in the second accommodating space is provided with protruding portion corresponding to the second positioning opening, and the recessed direction of the first positioning opening and the second positioning opening is opposite.

5. Automatic pull-out mechanism for the injection moulding of watch cases according to claim 4, characterized in that, The rear ends of the two long slots both extend outwardly, and the extension directions of the rear ends of the two long slots are opposite.

6. Automatic pull-out mechanism for the injection moulding of watch cases according to claim 5, characterized in that, The lower surface of the mounting base is provided with a sliding opening consistent with the extension direction of the straight section sliding groove, the sliding opening is provided with a moving block in sliding mode, and the driving shaft is arranged on the moving block.

7. Automatic pull-out mechanism for the injection moulding of watch cases according to claim 6, characterized in that, The moving block is provided with a plurality of guide grooves in the front end. The front end is provided with a pickup jig.

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