CN214926760U

CN214926760U - Plastic injection mold convenient to unload

Info

Publication number: CN214926760U
Application number: CN202121308090.2U
Authority: CN
Inventors: 刘善木
Original assignee: Xiamen Honglin Plastic Mould Co ltd
Current assignee: Xiamen Honglin Plastic Mould Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-30
Anticipated expiration: 2031-06-11

Abstract

The utility model belongs to the technical field of injection mold, a plastics injection mold convenient to unload is disclosed, including the top mould, the die block, first drive assembly and second drive assembly, the setting that the top mould can reciprocate is at the upside of die block, first drive assembly sets up the one side at the top mould, and first drive assembly provides rotary power, second drive assembly is connected with first drive assembly transmission, and second drive assembly is used for changing the direction of rotation of first drive assembly, second drive assembly transmission is connected with the subassembly of unloading, the subassembly of unloading includes the stopper, internal tooth ring and push pedal, the first backup pad of left side fixedly connected with of die block, two stopper symmetry fixed connections are at the top of first backup pad. Drive the discharge arm through interior ring gear and remove right for the discharge arm cools off the working of plastics from die block push-up to the second backup pad through the push pedal, has realized unloading of plastic mold, need not the workman and unloads, and is comparatively convenient.

Description

Plastic injection mold convenient to unload

Technical Field

The utility model relates to an injection mold technical field, more specifically say, relate to a plastics injection mold convenient to unload.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The existing plastic injection mold is used, when the injection mold finishes the manufacture of plastic parts, the plastic parts need to be manually unloaded, the temperature of the plastic parts which are just manufactured is high, workers still have certain potential safety hazards even though the workers wear high-temperature-resistant gloves to disassemble the plastic parts, and therefore the plastic injection mold convenient for unloading is necessary to develop.

SUMMERY OF THE UTILITY MODEL

In order to solve the working of plastics temperature of just making the completion higher, the workman dismantles it through wearing high temperature resistant gloves, nevertheless still has the problem of certain potential safety hazard, the utility model provides a plastics injection mold convenient to unload.

The utility model provides a pair of plastic injection mold convenient to unload adopts following technical scheme:

a plastic injection mold convenient for discharging comprises a top mold, a bottom mold, a first transmission assembly and a second transmission assembly, wherein the top mold can be arranged on the upper side of the bottom mold in a vertical mode, the first transmission assembly is arranged on one side of the top mold and provides rotary power, the second transmission assembly is in transmission connection with the first transmission assembly and is used for changing the rotating direction of the first transmission assembly, the second transmission assembly is in transmission connection with a discharging assembly, the discharging assembly comprises a limiting block, an inner toothed ring and a push plate, a first supporting plate is fixedly connected to the left side of the bottom mold, the two limiting blocks are symmetrically and fixedly connected to the top of the first supporting plate, the inner toothed ring is arranged on the upper side of the first supporting plate and can be arranged between the two limiting blocks in a left-right mode, and a discharging rod is fixedly connected to the outer wall of the inner toothed ring, the push plate is arranged at one end of the discharging rod.

Further, first transmission assembly includes rack, first gear and first pivot, rack fixed connection is on the left outer wall of top mould, first gear be located the left side of rack and with the rack between intermeshing, fixed connection between first pivot and the first gear.

Furthermore, first transmission assembly still includes the fixed plate, two the fixed plate symmetry and fixed connection are in the left side of top mould, both ends and two fixed plates pass through first bearing rotation and are connected about first pivot.

Furthermore, the second transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is located on the front side of the first gear and is fixedly connected with the first rotating shaft, and the second bevel gear is located on the lower side of the first bevel gear and is meshed with the first bevel gear.

Further, the second transmission assembly further comprises a second gear and a second rotating shaft, the second rotating shaft is fixedly connected to the bottom of the second bevel gear, the second gear is located on the upper side of the first supporting plate and is fixedly connected with the second rotating shaft, the second gear is meshed with the inner gear ring, and the second rotating shaft is rotatably connected with the first supporting plate through a second bearing.

Further, the right side fixedly connected with second backup pad of die block, the downside of first backup pad and second backup pad all inclines to be provided with the gusset plate.

Furthermore, locating holes are formed in four corners of the bottom die and the top die, a guide column is arranged in each locating hole, and clearance fit exists between the guide columns and the locating holes.

Furthermore, an external thread is formed on the outer wall of one end of the discharging rod, an internal thread hole is formed in one side of the pushing plate, and the discharging rod is fixedly connected with the pushing plate through a thread.

To sum up, the utility model discloses a following beneficial technological effect:

(1) the second rotating shaft drives the inner gear ring to move leftwards through the second gear, so that the discharging rod drives the push plate to move leftwards, the T-shaped notch formed in the bottom of the top die accommodates the discharging rod and the push plate, and the top die and the bottom die cannot be closed;

(2) drive the discharge arm through interior ring gear and remove right for the discharge arm cools off the working of plastics from die block push-up to the second backup pad through the push pedal, has realized unloading of plastic mold, need not the workman and unloads, and is comparatively convenient.

Drawings

Fig. 1 is a schematic view of an axial measurement structure of the present invention;

FIG. 2 is a schematic view of a shaft measuring structure of the present invention;

fig. 3 is a schematic front view of the structure of the present invention.

The reference numbers in the figures illustrate:

1. carrying out top die; 11. bottom die; 2. a limiting block; 21. an inner gear ring; 22. a discharge rod; 23. pushing the plate; 3. a first support plate; 31. a second support plate; 32. a reinforcing plate; 4. a rack; 41. a first gear; 42. a first rotating shaft; 43. a fixing plate; 5. a first bevel gear; 51. a second bevel gear; 52. a second rotating shaft; 53. a second gear; 6. a guide post; 7. t-shaped notches.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-3.

The embodiment of the utility model discloses a plastic injection mold convenient for unloading, please refer to fig. 1 and fig. 2, which comprises a top mold 1, a bottom mold 11, a first transmission component and a second transmission component, wherein the top mold 1 is arranged at the upper side of the bottom mold 11 in a way of moving up and down, the first transmission component is arranged at one side of the top mold 1 and provides rotary power, the second transmission component is connected with the first transmission component in a transmission way and is used for changing the rotary direction of the first transmission component, the second transmission component is connected with an unloading component in a transmission way, the unloading component comprises a limiting block 2, an inner toothed ring 21 and a push plate 23, the left side of the bottom mold 11 is fixedly connected with a first supporting plate 3, two limiting blocks 2 are symmetrically and fixedly connected at the top of the first supporting plate 3, the inner toothed ring 21 is arranged at the upper side of the first supporting plate 3 and can move left and right between the two limiting blocks 2, fixedly connected with discharge bar 22 on the outer wall of interior ring gear 21, push pedal 23 sets up in discharge bar 22's one end, has seted up the external screw thread on the outer wall of discharge bar 22 one end, and the internal thread hole has been seted up to one side of push pedal 23, and discharge bar 22 passes through thread fixed connection with push pedal 23. More specifically, the bottom of the top die 1 is provided with a T-shaped notch 7 for conveniently placing the discharging rod 22 and the push plate 23.

Referring to fig. 2, the first transmission assembly includes a rack 4, a first gear 41 and a first rotating shaft 42, the rack 4 is fixedly connected to the outer wall of the left side of the top die 1, the first gear 41 is located at the left side of the rack 4 and is engaged with the rack 4, the first rotating shaft 42 is fixedly connected with the first gear 41, the first transmission assembly further includes two fixing plates 43, the two fixing plates 43 are symmetrically and fixedly connected to the left side of the top die 1, and the left and right ends of the first rotating shaft 42 are rotatably connected with the two fixing plates 43 through a first bearing. More specifically, in the process of pressing down the top die 1, the rack 4 fixedly connected to one side of the top die 1 drives the first gear 41 to rotate, and the first gear 41 drives the first bevel gear 5 to rotate through the first rotating shaft 42.

Referring to fig. 1, the second transmission assembly includes a first bevel gear 5 and a second bevel gear 51, the first bevel gear 5 is located in front of the first bevel gear 41 and is fixedly connected to the first rotating shaft 42, the second bevel gear 51 is located at a lower side of the first bevel gear 5 and is engaged with the first bevel gear, the second transmission assembly further includes a second gear 53 and a second rotating shaft 52, the second rotating shaft 52 is fixedly connected to a bottom of the second bevel gear 51, the second gear 53 is located at an upper side of the first supporting plate 3 and is fixedly connected to the second rotating shaft 52, the second gear 53 is engaged with the inner gear ring 21, and the second rotating shaft 52 is rotatably connected to the first supporting plate 3 through a second bearing. More specifically, the first bevel gear 5 drives the second rotating shaft 52 to rotate by meshing with the second bevel gear 51, and the second rotating shaft 52 drives the inner ring gear 21 to move leftward by the second gear 53, so that the discharging rod 22 drives the pushing plate 23 to move leftward.

Referring to fig. 3, a second support plate 31 is fixedly connected to the right side of the bottom mold 11, reinforcing plates 32 are obliquely arranged on the lower sides of the first support plate 3 and the second support plate 31, positioning holes are formed in four corners of the bottom mold 11 and the top mold 1, a guide column 6 is arranged in each positioning hole, and a clearance fit exists between each guide column 6 and each positioning hole. More specifically, the guide posts 6 are provided to prevent the top mold 1 from being displaced when it moves on the upper side of the bottom mold 11.

The embodiment of the utility model provides a plastics injection mold's implementation principle convenient to unload does: firstly, a plastic piece to be injection molded is put between a top mold 1 and a bottom mold 11, the top mold 1 is pressed downwards through a hydraulic device arranged on the upper side of the top mold 1, the top mold 1 and the bottom mold 11 are abutted against each other and extrude the plastic piece, in the process of pressing the top mold 1 downwards, a rack 4 fixedly connected with one side of the top mold 1 drives a first gear 41 to rotate, the first gear 41 drives a first bevel gear 5 to rotate through a first rotating shaft 42, the first bevel gear 5 drives a second rotating shaft 52 to rotate through mutual meshing with a second bevel gear 51, the second rotating shaft 52 drives an inner toothed ring 21 to move leftwards through a second gear 53, so that a discharging rod 22 drives a push plate 23 to move leftwards, a T-shaped notch 7 arranged at the bottom of the top mold 1 accommodates the discharging rod 22 and the push plate 23, the top mold 1 and the bottom mold 11 are prevented from being closed, and after injection molding is completed, the hydraulic device drives the top mold 1 to rise, through mutually supporting between first drive assembly and second drive assembly, second drive assembly's second gear 53 and interior ring gear 21 mutually support, drive discharge bar 22 through interior ring gear 21 and remove right for discharge bar 22 pushes up the working of plastics from die block 11 to the cooling of going up in second backup pad 31 through push pedal 23, has realized unloading of plastic mold, need not the workman and unloads, and is comparatively convenient.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a plastics injection mold convenient to unload which characterized in that: including top mould (1), die block (11), first transmission subassembly and second transmission subassembly, the upside of setting at die block (11) that can reciprocate of top mould (1), first transmission subassembly sets up in one side of top mould (1), and first transmission subassembly provides rotary power, second transmission subassembly is connected with the transmission of first transmission subassembly, and the second transmission subassembly is used for changing the direction of rotation of first transmission subassembly, the transmission of second transmission subassembly is connected with the subassembly of unloading, the subassembly of unloading includes stopper (2), interior ring gear (21) and push pedal (23), the left side fixedly connected with first backup pad (3) of die block (11), two stopper (2) symmetry fixed connection is at the top of first backup pad (3), interior ring gear (21) are located the upside of first backup pad (3) and can control the setting of moving between two stopper (2), the outer wall of the inner gear ring (21) is fixedly connected with a discharging rod (22), and the push plate (23) is arranged at one end of the discharging rod (22).

2. The plastic injection mold facilitating discharging as claimed in claim 1, wherein: first transmission assembly includes rack (4), first gear (41) and first pivot (42), rack (4) fixed connection is on the left outer wall of top mould (1), first gear (41) be located the left side of rack (4) and with rack (4) between intermeshing, fixed connection between first pivot (42) and first gear (41).

3. A plastic injection mold facilitating discharge according to claim 2, wherein: first transmission assembly still includes fixed plate (43), two fixed plate (43) symmetry and fixed connection are in the left side of top mould (1), both ends and two fixed plate (43) are connected through first bearing rotation about first pivot (42).

4. A plastic injection mold facilitating discharge according to claim 2, wherein: the second transmission assembly comprises a first bevel gear (5) and a second bevel gear (51), the first bevel gear (5) is located on the front side of the first gear (41) and fixedly connected with the first rotating shaft (42), and the second bevel gear (51) is located on the lower side of the first bevel gear (5) and meshed with the first bevel gear (5).

5. A plastic injection mold facilitating unloading according to claim 4, wherein: the second transmission assembly further comprises a second gear (53) and a second rotating shaft (52), the second rotating shaft (52) is fixedly connected to the bottom of the second bevel gear (51), the second gear (53) is located on the upper side of the first supporting plate (3) and fixedly connected with the second rotating shaft (52), the second gear (53) is meshed with the inner gear ring (21), and the second rotating shaft (52) is rotatably connected with the first supporting plate (3) through a second bearing.

6. The plastic injection mold facilitating discharging as claimed in claim 1, wherein: the right side fixedly connected with second backup pad (31) of die block (11), the downside of first backup pad (3) and second backup pad (31) all inclines to be provided with gusset plate (32).

7. The plastic injection mold facilitating discharging as claimed in claim 6, wherein: locating holes are formed in the four corners of the bottom die (11) and the four corners of the top die (1), a guide column (6) is arranged in each locating hole, and clearance fit exists between the guide columns (6) and the locating holes.

8. The plastic injection mold facilitating discharging as claimed in claim 1, wherein: the discharging device is characterized in that an external thread is formed in the outer wall of one end of the discharging rod (22), an internal thread hole is formed in one side of the pushing plate (23), and the discharging rod (22) is fixedly connected with the pushing plate (23) through a thread.