Mould glue feeding structure

Abstract

The utility model discloses a mold glue feeding structure, and belongs to the technical field of injection molds. The glue feeding device mainly comprises a glue feeding assembly which comprises a piston; and the adjusting assembly comprises a fixed rod, a guide groove, a fixed groove, a sliding rod, a first sliding block, a movable rod, a second sliding block and a fixed nut. According to the mold glue feeding structure, by moving the sliding rod, the sliding rod drives the first sliding block and the second sliding block to move in the fixing rod along the guide groove, when the sliding rod moves to the position, at the needed position, in the fixing groove, the sliding rod is rotated, the sliding rod drives the first sliding block and the second sliding block to rotate, and glue feeding is achieved; the first sliding block and the second sliding block rotate to be staggered with the guide groove, then the movable rod is moved upwards to drive the second sliding block to move outwards to the top end of the fixing groove, the movable rod is fixed through the fixing nut, the first sliding block and the second sliding block are attached to the two sides of the fixing groove respectively, and the total length of the sliding rod and the fixing rod can be changed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of injection mold, in particular to a mold glue feeding structure. BACKGROUND

[0002] The injection mold is a processing method used when batch producing some parts with complex shapes, and the specific principle is that molten plastic is injected into a mold cavity by an injection molding machine under high pressure, and the shaped product is obtained after cooling and solidification. The injection process of the injection mold is also called glue feeding.

[0003] A mold glue feeding structure is disclosed in Chinese Patent No. CN218196703U, which comprises a glue feeding structure body, the glue feeding structure body comprises a barrel, a connecting seat is welded at the bottom of the barrel, a discharge pipe is welded on the connecting seat, a feed pipe is installed on one side of the connecting seat, a control valve is installed on the feed pipe, a fixed frame is fixed at the top of the barrel, a limiting frame is movably installed on the fixed frame, a supporting assembly is installed between the fixed frames, an exhaust valve is installed on one side of the supporting assembly, and the exhaust valve is fixed on the barrel. The mold glue feeding structure can replace the short sealing column for use by moving the piston downward to leak out one end of the sealing column, and the short sealing column can increase the weight of the injected glue again to meet the production requirements under different conditions.

[0004] However, in the above-mentioned scheme, although the sealing column can be replaced to meet the injection amount of glue under different conditions, a plurality of sealing columns with different lengths need to be provided, which increases the production cost.

[0005] Therefore, it is necessary to provide a mold glue feeding structure to solve the above-mentioned problems.

[0006] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background technology of the concept of the present application, and therefore, it can contain information which does not constitute prior art. CONTENT OF THE UTILITY MODEL

[0007] Based on the above-mentioned problems existing in the prior art, the present application aims to provide a mold glue feeding structure, which can change the total length of the sliding rod and the fixed rod by moving the sliding rod to drive the first sliding block and the second sliding block to move inside the fixed rod along the guide groove, rotating the sliding rod when the sliding rod moves to the inside of the fixed groove at the required position, driving the first sliding block and the second sliding block to rotate, the first sliding block and the second sliding block are staggered with the guide groove, moving the movable rod upward to drive the second sliding block to move outward to the top end of the fixed groove, and fixing the movable rod by using the fixed nut, so that the first sliding block and the second sliding block are respectively attached to the two sides of the fixed groove.

[0008] The application solves its technical problems by adopting the technical scheme of a mold glue feeding structure, comprising:

[0009] A glue feeding assembly, comprising a piston;

[0010] An adjusting assembly, comprising a fixed rod, a guide groove, a fixed groove, a sliding rod, a first sliding block, a movable rod, a second sliding block and a fixed nut, the fixed rod is fixedly connected to the central position of the bottom end of the piston, the guide groove is arranged at the position around the inside of the fixed rod, the fixed groove is arranged at the position inside the fixed rod, the sliding rod is slidingly connected to the position inside the fixed rod, the first sliding block is fixedly connected to the top end position of the sliding rod, the movable rod is slidingly connected to the position inside the fixed rod, the second sliding block is fixedly connected to the top end position of the movable rod, and the fixed nut is threadedly connected to the outer surface position of the bottom end of the movable rod.

[0011] Further, the glue feeding assembly further comprises a glue barrel, a limiting device, a movable device and a glue outlet pipe, the limiting device is fixedly connected to the two side positions of the top end of the glue barrel, the movable device is movably connected to the upper end position of the glue barrel, the piston is slidingly connected to the upper end position inside the glue barrel, and the glue outlet pipe is fixedly connected to the bottom end position of the glue barrel.

[0012] Further, the first sliding block and the second sliding block are plum blossom structures, and the second sliding block is located at the upper end position of the first sliding block.

[0013] Further, the guide groove is arranged around the first sliding block and the second sliding block, and the fixed groove is a circular ring structure, and the height of the fixed groove is greater than the sum of the height of the first sliding block and the height of the second sliding block.

[0014] Further, it further comprises a sealing assembly, comprising a telescopic spring, a movable column, a fixed sleeve, a through hole and a sealing sleeve, the telescopic spring is fixedly connected to the position around the lower end inside the sliding rod, the movable column is fixedly connected to the outer end position of the telescopic spring, the fixed sleeve is sleeved on the outer surface of the lower end of the sliding rod, the through hole is arranged at the position around the outer surface of the fixed sleeve, and the sealing sleeve is fixedly connected to the bottom end position of the fixed sleeve.

[0015] Further, the through hole is arranged relative to the movable column, and the movable column extends to the inside of the through hole through the sliding rod.

[0016] Further, the sealing sleeve is sleeved on the outer surface of the bottom end of the sliding rod, and the sealing sleeve is a concave structure, and the outer side of the sealing sleeve is in close contact with the inner wall of the glue outlet pipe.

[0017] The beneficial effects of the present application are: the mold glue feeding structure provided by the present application, by moving the sliding rod, the sliding rod drives the first sliding block and the second sliding block to move in the fixed rod along the guide groove, when the sliding rod moves to the inside of the fixed groove at the required position, the sliding rod is rotated, the sliding rod drives the first sliding block and the second sliding block to rotate, the first sliding block and the second sliding block are staggered with the guide groove, then the movable rod is moved upward, the movable rod drives the second sliding block to move outward to the top end of the fixed groove, and the movable rod is fixed by using the fixed nut, so that the first sliding block and the second sliding block are respectively attached to the two sides of the fixed groove, that is, the total length of the sliding rod and the fixed rod can be changed.

[0018] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings accompanying the specification of the present application form a part of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute an improper limitation on the present application.

[0020] In the drawings:

[0021] Figure 1 The overall structure schematic diagram of the mold glue feeding structure in the present application;

[0022] Figure 2 The structure schematic diagram of the glue feeding assembly in the present application; Figure 1 The structure schematic diagram of the glue feeding assembly in the present application;

[0023] Figure 3 The structure schematic diagram of the adjusting assembly in the present application; Figure 1 The structure schematic diagram of the adjusting assembly in the present application;

[0024] Figure 4 The enlarged view of A in the present application; Figure 3

[0025] In the drawings, various reference signs:

[0026] 11, glue barrel; 12, limiting device; 13, movable device; 14, piston; 15, glue outlet pipe; 21, fixed rod; 22, guide groove; 23, fixed groove; 24, sliding rod; 25, first sliding block; 26, movable rod; 27, second sliding block; 28, fixed nut; 31, extension spring; 32, movable column; 33, fixed sleeve; 34, through hole; 35, sealing sleeve. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. ​

[0028] In order for those skilled in the art to better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present application.

[0029] As shown in Figures 1-3 The present application provides a mold glue feeding structure, comprising:

[0030] A glue feeding assembly, the glue feeding assembly comprising a piston 14;

[0031] An adjusting assembly, the adjusting assembly comprising a fixed rod 21, a guide groove 22, a fixed groove 23, a sliding rod 24, a first sliding block 25, a movable rod 26, a second sliding block 27 and a fixed nut 28, the fixed rod 21 being fixedly connected to a central position at a bottom end of the piston 14, the guide groove 22 being formed at a position around the inside of the fixed rod 21, the fixed groove 23 being formed at a position inside the fixed rod 21, the sliding rod 24 being slidingly connected to a position inside the fixed rod 21, the first sliding block 25 being fixedly connected to a top end position of the sliding rod 24, the movable rod 26 being slidingly connected to a position inside the fixed rod 21, the second sliding block 27 being fixedly connected to a top end position of the movable rod 26, and the fixed nut 28 being threadedly connected to an outer surface position at a bottom end of the movable rod 26.

[0032] The fixed rod 21 is used for supporting the sliding rod 24, the guide groove 22 is used for guiding the first sliding block 25 and the second sliding block 27, the fixed groove 23 is used for placing the first sliding block 25 and the second sliding block 27, the sliding rod 24 is used for supporting the movable rod 26, the first sliding block 25 and the second sliding block 27 are used for limiting the sliding rod 24, the movable rod 26 is used for moving the second sliding block 27, and the fixed nut 28 is used for fixing the position of the movable rod 26.

[0033] The glue feeding assembly further comprises a glue barrel 11, a limiting device 12, a movable device 13 and a glue outlet pipe 15, the limiting device 12 being fixedly connected to both sides of a top end of the glue barrel 11, the movable device 13 being movably connected to an upper end of the glue barrel 11, the piston 14 being slidingly connected to an upper end inside the glue barrel 11, and the glue outlet pipe 15 being fixedly connected to a bottom end of the glue barrel 11.

[0034] The glue barrel 11 is used for placing glue solution, the limiting device 12 is used for changing the amount of glue, the movable device 13 is used for moving the piston 14, and the piston 14 is used for discharging the glue solution outward from the glue outlet pipe 15.

[0035] The first sliding block 25 and the second sliding block 27 are in the shape of a plum blossom, and the second sliding block 27 is located at a top end position of the first sliding block 25.

[0036] The first slider 25 and the second slider 27 can slide along the guide groove 22, and the first slider 25 and the second slider 27 can rotate inside the fixed groove 23.

[0037] The guide groove 22 is opened around the first slider 25 and the second slider 27, and the fixed groove 23 is a circular ring structure, and the height of the fixed groove 23 is greater than the sum of the height of the first slider 25 and the height of the second slider 27.

[0038] When the first slider 25 and the second slider 27 are located inside the fixed groove 23, the second slider 27 can be moved upwards along the direction of the fixed groove 23 to the top end of the fixed groove 23.

[0039] Working principle: when the length of the fixed rod 21 and the sliding rod 24 needs to be adjusted during the injection of the injection mold, the sliding rod 24 is moved to drive the first slider 25 and the second slider 27 to move along the guide groove 22, and when the sliding rod 24 is moved to the position of the fixed groove 23 at the required position, the sliding rod 24 is rotated to drive the first slider 25 and the second slider 27 to rotate inside the fixed groove 23 and intersect with the guide groove 22, and then the movable rod 26 is moved upwards to drive the second slider 27 to move upwards, and when the second slider 27 moves to the top end position inside the fixed groove 23, the first slider 25 is located at the bottom end position inside the fixed groove 23, and the movable rod 26 is fixed inside the sliding rod 24 by using the fixed nut 28, at this time, the first slider 25 and the second slider 27 are fixed inside the fixed groove 23, that is, the length of the fixed rod 21 and the sliding rod 24 can be changed.

[0040] Please refer to Figure 4 The embodiment is based on the above-mentioned embodiment, and further comprises:

[0041] The sealing assembly comprises a telescopic spring 31, a movable column 32, a fixed sleeve 33, a through hole 34, and a sealing sleeve 35. The telescopic spring 31 is fixedly connected to the inner four around position of the lower end of the sliding rod 24, the movable column 32 is fixedly connected to the outer end position of the telescopic spring 31, the fixed sleeve 33 is sleeved on the outer surface of the lower end of the sliding rod 24, the through hole 34 is opened at the four around position of the outer surface of the fixed sleeve 33, and the sealing sleeve 35 is fixedly connected to the bottom end position of the fixed sleeve 33.

[0042] The telescopic spring 31 is used for resetting the movable column 32, the movable column 32 is used for limiting the fixed sleeve 33, the fixed sleeve 33 is used for supporting the sealing sleeve 35, the through hole 34 is used for placing the movable column 32, and the sealing sleeve 35 is used for sealing the inside of the sliding rod 24 and the glue outlet pipe 15.

[0043] The through hole 34 is arranged relative to the movable column 32, and the movable column 32 extends into the through hole 34 through the sliding rod 24.

[0044] When the movable column 32 is located inside the through hole 34, the movable column 32 limits the fixed sleeve 33.

[0045] The sealing sleeve 35 is sleeved on the outer surface of the bottom end of the sliding rod 24, and the sealing sleeve 35 is a concave structure, and the outer side of the sealing sleeve 35 is attached to the inner wall of the glue outlet pipe 15.

[0046] The sealing sleeve 35 can move inside the glue outlet pipe 15 along with the sliding rod 24.

[0047] Working principle: when the sliding rod 24 is used to seal the inside of the glue outlet pipe 15, long-term use will cause poor sealing effect and increase cost, therefore, by sleeving the fixed sleeve 33 and the sealing sleeve 35 on the outer surface of the lower end of the sliding rod 24, and limiting the fixed sleeve 33 by using the movable column 32, the sealing sleeve 35 is closed to the outer side of the lower end of the sliding rod 24 and the inner wall of the glue outlet pipe 15, since the sealing sleeve 35 can be replaced conveniently, and the cost of replacing the sealing sleeve 35 is far less than that of replacing the sliding rod 24, the production cost is further reduced.

[0048] The above is only the preferred embodiment of the present application, and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mold glue feeding structure, characterized in that, Include: The glue feeding assembly, the glue feeding assembly includes piston (14); Adjustment assembly, the adjustment assembly includes fixed rod (21), guide groove (22), fixed groove (23), sliding rod (24), first sliding block (25), movable rod (26), second sliding block (27) and fixed nut (28), the fixed rod (21) is fixedly connected to the bottom end central position of piston (14), the guide groove (22) is opened in the inside four around positions of fixed rod (21), the fixed groove (23) is opened in the inside position of fixed rod (21), the sliding rod (24) is slidingly connected to the inside position of fixed rod (21), the first sliding block (25) is fixedly connected to the top end position of sliding rod (24), the movable rod (26) is slidingly connected to the inside position of fixed rod (21), the second sliding block (27) is fixedly connected to the top end position of movable rod (26), the fixed nut (28) is threadedly connected to the bottom end outer surface position of movable rod (26).

2. The structure of claim 1, wherein The glue feeding assembly further includes glue barrel (11), limiting device (12), movable device (13) and glue outlet pipe (15), the limiting device (12) is fixedly connected to the top end both sides position of glue barrel (11), the movable device (13) is movably connected to the upper end position of glue barrel (11), the piston (14) is slidingly connected to the inside upper end position of glue barrel (11), the glue outlet pipe (15) is fixedly connected to the bottom end position of glue barrel (11).

3. The structure of claim 1, wherein The first sliding block (25) and the second sliding block (27) are plum blossom structures, and the second sliding block (27) is located at the upper end position of the first sliding block (25).

4. The structure of claim 1, wherein The guide groove (22) is opened around the first sliding block (25) and the second sliding block (27), and the fixed groove (23) is a circular ring structure, and the height of the fixed groove (23) is greater than the sum of the height of the first sliding block (25) and the height of the second sliding block (27).

5. The structure of claim 1, wherein It further includes a sealing assembly, the sealing assembly includes telescopic spring (31), movable column (32), fixed sleeve (33), through hole (34) and sealing sleeve (35), the telescopic spring (31) is fixedly connected to the lower end inside four around positions of sliding rod (24), the movable column (32) is fixedly connected to the outer end position of telescopic spring (31), the fixed sleeve (33) is sleeved on the lower end outer surface of sliding rod (24), the through hole (34) is opened in the four around positions of the outer surface of fixed sleeve (33), and the sealing sleeve (35) is fixedly connected to the bottom end position of fixed sleeve (33).

6. The structure of claim 5, wherein The through hole (34) is opened relative to the movable column (32), and the movable column (32) extends to the inside of the through hole (34) through the sliding rod (24).

7. The structure of claim 5, wherein The sealing sleeve (35) is sleeved on the bottom end outer surface of the sliding rod (24), and the sealing sleeve (35) is a concave structure, and the outer side of the sealing sleeve (35) is attached to the inner wall of the glue outlet pipe (15).

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