Floating pre-pressing mechanism for removing water gap of injection molded part

Abstract

The utility model discloses a floating material pre-pressing mechanism for removing a water gap of an injection molded part, which comprises a pre-pressing cylinder, a pre-pressing support, a pre-pressing block, a limiting baffle, a buffer spring, a mounting plate and a product pre-pressing assembly, the pre-pressing cylinder is mounted on a workbench through the support, and the pre-pressing cylinder drives the pre-pressing support to move up and down; a plurality of sets of pre-pressing blocks used for pre-pressing material heads are movably hung on a horizontal plate of the pre-pressing support, limiting baffles installed on the pre-pressing support are arranged at the tops of the pre-pressing blocks, the limiting baffles are elastically connected with the tops of the pre-pressing blocks through buffer springs, and an installation plate is installed at the tops of the limiting baffles. Product pre-pressing assemblies used for elastically pre-pressing products are mounted at the two extending ends of the mounting plate. By means of the mode, elastic pressing is achieved, and it is guaranteed that injection molding piece products and stub bars with different heights are pressed without damaging the products at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece processing technical field especially is related to a floating pre -pressing material mechanism for water gap of injection molding part. BACKGROUND

[0002] Injection molding parts such as Figure 1 As shown in the figure, it is integrally injection molded by injection mold one mold multi -hole, including injection molding part product 01, material head 02 and material rod 03, water gap is the connecting part between the frame formed in the injection molding process and injection molding part, water gap 00 is the excess component on the injection molding part, and the water gap needs to be removed from the injection molding part, if the product or material head is upturned, there is the situation that subsequent laser cutting is not in place, and the injection molding part product and the material head need to be pressed tightly before cutting the water gap, the injection molding part product and the material head are at different heights, and it is difficult to press the injection molding part product and the material head synchronously, even if the injection molding mold of the same batch discharges the product, there is error capacity, the height of the pressing block is short, and it is difficult to press tightly, the height of the pressing block is long, and the product is easily damaged, how to ensure that the injection molding part product and the material head are pressed tightly without damaging the product is a technical problem to be solved urgently. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a floating pre -pressing material mechanism for water gap of injection molding part, elastic pressing, ensure that the injection molding part product and the material head are pressed tightly without damaging the product.

[0004] In order to solve the above technical problem, one technical scheme of the utility model is provided: provide a floating pre -pressing material mechanism for water gap of injection molding part, the floating pre -pressing material mechanism for water gap of injection molding part includes pre -pressing cylinder, pre -pressing support, pre -pressing block, limit baffle, buffer spring, mounting plate and product pre -pressing assembly, the pre -pressing cylinder is installed on the workbench through the support, the pre -pressing cylinder drives the pre -pressing support to move up and down, a plurality of groups of pre -pressing blocks for pre -pressing material head are movably hung on the horizontal plate of the pre -pressing support, the limit baffle is installed on the pre -pressing support on the top of the pre -pressing block, the limit baffle and the top of the pre -pressing block are elastically connected through the buffer spring, the limit baffle top is installed with the mounting plate, and the mounting plate both ends are installed with the product pre -pressing assembly for elastic pre -pressing product.

[0005] Preferably, the pre -pressing block includes a hanging part and a pre -pressing part, the pre -pressing part is square in cross section, a square hole for passing the pre -pressing part is formed in the pre -pressing support, to avoid the pre -pressing block from rotating, the size of the hanging part is greater than the square hole, the pre -pressing block can be movably hung on the pre -pressing support through the hanging part, the top of the hanging part and the bottom surface of the limit baffle are provided with opposite circular grooves, and the buffer spring is arranged in the circular grooves.

[0006] Preferably, the product pre-pressing assembly comprises a cylindrical pressing rod, a limiting post, a reset spring and an elastic pressing piece, the cylindrical pressing rod is movably inserted into the extending end of the mounting plate in the vertical direction, the cylindrical pressing rod is axially provided with a waist-shaped through hole, the extending end of the mounting plate is transversely provided with the limiting post penetrating through the waist-shaped through hole, the cylindrical pressing rod is sleeved with the reset spring at the small-diameter end of the mounting plate, and the reset spring abuts against the mounting plate.

[0007] Preferably, the waist-shaped hole is arranged on the mounting plate and used for adjusting the mounting position.

[0008] Compared with the prior art, the product pre-pressing assembly has the following beneficial effects:

[0009] The pre-pressing block is lowered to press the material head, the product pre-pressing assembly is elastically lowered to press the product, the injection molding product and the material head are elastically pressed respectively, and the injection molding product and the material head of different heights are simultaneously pressed without damaging the product.

[0010] The waist-shaped hole is arranged on the mounting plate and used for adjusting the mounting position, so that the product pre-pressing assembly is aligned with the injection molding product. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a schematic diagram of an injection molding product out of an injection molding die.

[0012] Figure 2 It is a structural schematic diagram of a floating pre-pressing material mechanism for removing a water gap of an injection molding product.

[0013] Figure 3 It is a partial sectional view of a floating pre-pressing material mechanism for removing a water gap of an injection molding product.

[0014] Figure 4 It is a structural schematic diagram of a product pre-pressing assembly of a floating pre-pressing material mechanism for removing a water gap of an injection molding product.

[0015] Wherein, 00, water gap, 01, product, 02, material head, 03, material rod, 1, pre-pressing cylinder, 2, pre-pressing support, 3, pre-pressing block, 31, hanging part, 32, pre-pressing part, 4, limiting baffle, 5, buffer spring, 6, mounting plate, 60, waist-shaped hole, 7, product pre-pressing assembly, 71, cylindrical pressing rod, 70, waist-shaped through hole, 72, limiting post, 73, reset spring, 74, elastic pressing piece. DETAILED DESCRIPTION

[0016] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0017] Please refer toFigures 1 to 4 The utility model embodiment includes:

[0018] A kind of floating pre-pressing mechanism for water port of injection molding part, the floating pre-pressing mechanism for water port of injection molding part includes pre-pressing cylinder 1, pre-pressing support 2, pre-pressing block 3, limit baffle 4, buffer spring 5, mounting plate 6 and product pre-pressing assembly 7, the pre-pressing cylinder 1 is mounted on workbench by support, pre-pressing cylinder 1 drives pre-pressing support 2 to move up and down, the horizontal plate of pre-pressing support 2 is movably hung with several groups of pre-pressing block 3 for pre-pressing head 02, pre-pressing block 3 top is provided with limit baffle 4 mounted on pre-pressing support 2, limit baffle 4 and pre-pressing block 3 top are elastically connected by buffer spring 5, limit baffle 4 top is equipped with mounting plate 6, and mounting plate 6 both ends are equipped with product pre-pressing assembly 7 for elastic pre-pressing product.

[0019] The pre-pressing block 3 includes hanging part 31 and pre-pressing part 32, the pre-pressing part 32 cross section is square, pre-pressing support 2 is equipped with square hole for wearing pre-pressing part 32, to avoid pre-pressing block 3 rotation, hanging part 31 size is greater than square hole, pre-pressing block 3 can be hung on pre-pressing support 2 by hanging part 31 up and down, the top of hanging part 31 and the bottom surface of limit baffle 4 are equipped with opposite circular grooves, and the both ends of buffer spring 5 are placed in the circular grooves, and buffer spring 5 is in compression state.

[0020] The product pre-pressing assembly 7 includes cylindrical pressing rod 71, limit column 72, reset spring 73 and elastic pressing piece 74, the cylindrical pressing rod 71 is vertically movably inserted in the extending end of mounting plate 6, the cylindrical pressing rod 71 is axially provided with a waist-shaped through hole 70, the extending end of mounting plate 6 is transversely provided with a limit column 72 penetrating through the waist-shaped through hole 70, the cylindrical pressing rod 71 is sleeved with a reset spring 73 at the small-diameter end penetrating through the mounting plate 6, and the reset spring 73 abuts against the mounting plate 6, and the bottom of the cylindrical pressing rod 71 is further provided with an elastic pressing piece 74 for pressing the product.

[0021] The mounting plate 6 is provided with a waist-shaped hole 60 for adjusting the mounting position thereof.

[0022] The utility model discloses a kind of floating pre-pressing mechanism for water port of injection molding part, elastic pressing, guaranteeing that different height injection molding part product and head are pressed simultaneously without damaging product.

[0023] The above-mentioned is only the embodiment of the utility model, and not therefore limit the patent range of the utility model, any equivalent structure or equivalent process transformation using the utility model specification and drawing content, or directly or indirectly applied in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A floating pre-compression material mechanism for removing sprues from injection molded parts, characterized in that: The product includes a pre-compression cylinder (1), a pre-compression bracket (2), a pre-compression block (3), a limiting baffle (4), a buffer spring (5), a mounting plate (6), and a product pre-compression assembly (7). The pre-compression cylinder (1) is mounted on the workbench via the bracket. The pre-compression cylinder (1) drives the pre-compression bracket (2) to move up and down. Several sets of pre-compression blocks (3) for pre-compressing the material head (02) are movably hung on the horizontal plate of the pre-compression bracket (2). A limiting baffle (4) is installed on the top of the pre-compression block (3) and mounted on the pre-compression bracket (2). The limiting baffle (4) and the top of the pre-compression block (3) are elastically connected by a buffer spring (5). A mounting plate (6) is installed on the top of the limiting baffle (4). The two protruding ends of the mounting plate (6) are equipped with a product pre-compression assembly (7) for elastically pre-compressing the product.

2. The floating pre-compression material mechanism for removing sprues from injection molded parts according to claim 1, characterized in that: The pre-compression block (3) includes a mounting part (31) and a pre-compression part (32). The pre-compression part (32) has a square cross-section. A square hole for mounting the pre-compression part (32) is provided on the pre-compression bracket (2). The mounting part (31) is larger than the square hole. The pre-compression block (3) can be hung on the pre-compression bracket (2) by moving up and down through the mounting part (31). The top of the mounting part (31) and the bottom of the limiting baffle (4) are provided with opposite circular grooves. The two ends of the buffer spring (5) are placed in the circular grooves and the buffer spring (5) is in a compressed state.

3. The floating pre-compression material mechanism for removing sprues from injection molded parts according to claim 1, characterized in that: The product pre-compression assembly (7) includes a cylindrical pressure rod (71), a limiting post (72), a return spring (73), and an elastic pressure member (74). The cylindrical pressure rod (71) is vertically inserted into the protruding end of the mounting plate (6). The cylindrical pressure rod (71) is axially provided with a waist-shaped through hole (70). The protruding end of the mounting plate (6) is laterally installed with a limiting post (72) that passes through the waist-shaped through hole (70). The small-diameter end of the cylindrical pressure rod (71) that passes through the mounting plate (6) is fitted with a return spring (73). The return spring (73) abuts against the mounting plate (6). The bottom of the cylindrical pressure rod (71) is also equipped with an elastic pressure member (74) for pressing the product.

4. The floating pre-compression material mechanism for removing sprues from injection molded parts according to claim 1, characterized in that: The mounting plate (6) is provided with a waist-shaped hole (60) for adjusting its mounting position.

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