Injection mold with front mold double pitched roofs and dovetail groove

Abstract

The injection mold comprises a base, a rear mold is fixedly arranged in the middle of the top end of the base, connecting clamping grooves are formed in the four corners of the top end of the rear mold, and connecting clamping blocks are arranged in the four connecting clamping grooves in a clamped mode. According to the injection mold with the front mold double pitched roofs and the dovetail groove, the two pitched roof structures are arranged in the front mold, different inclined angles or inclined directions are adopted by the two pitched roof structures, the two pitched roof structures and the dovetail groove complement each other, the two pitched roof structures are arranged in the front mold, the two pitched roof structures are matched with each other, and the two pitched roof structures are matched with each other. The four swallow-tailed positioning grooves and the four swallow-tailed positioning blocks are matched to achieve a synergistic effect, multi-angle demolding assistance is achieved, the problem that traditional single-tailed inclined top demolding assistance is insufficient is solved, stress can be balanced, the line clamping and scratching risks are reduced, and high-precision and stable mold alignment and locking functions can be provided through the matched arrangement of the four swallow-tailed positioning grooves and the four swallow-tailed positioning blocks.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold field, concretely is an injection mold with front mould double bevel ejection and dovetail groove. BACKGROUND

[0002] In the traditional injection mold, in order to handle the product with reverse buckle, concave-convex or complex structure of side wall, commonly adopt auxiliary demolding mechanism such as bevel, slider and ejection device, but the existing auxiliary demolding mechanism is usually set up bevel on the rear mould side or single side, possibly leading to uneven stress when demolding, appearing line clamping, pull mark or product damage.

[0003] To solve the above problems, a kind of injection mold with front mould double bevel ejection and dovetail groove is proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model is to provide an injection mold with front mould double bevel ejection and dovetail groove to solve the problems proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an injection mold with front mould double bevel ejection and dovetail groove, including base, the middle part of the top of base is fixedly provided with rear mould, the top of rear mould is provided with connecting slot in four corners, the inside of four connecting slots is all clamped with connecting block, the top of four connecting blocks is all fixedly provided with dovetail type positioning block, the four corners of the top of base are all fixedly installed with electric hydraulic rod, the top between two electric hydraulic rods located in same side is all fixedly provided with connecting block, front mould is fixedly provided between two connecting blocks, the top of two front moulds is all provided with setting slot, the inside of two setting slots is all clamped with setting block, the middle part of bottom of two setting blocks is all fixedly provided with bevel ejection seat, the top of inner side of two bevel ejection seats is all fixedly connected with telescopic spring, the bottom of two telescopic springs is all fixedly connected with bevel ejection rod, the inclination angle of two bevel ejection rods is different, the bottom of two bevel ejection rods is all fixedly provided with reverse buckle.

[0006] By setting two inclined top structures in the front mold, and both adopting different inclined angles or inclined directions, they complement each other and can work together to realize multi-angle demolding assistance, which not only solves the problem of insufficient demolding assistance of the traditional single-side inclined top, but also balances the stress and reduces the risk of wire clamping and scratches, and the angles and heights of the two inclined top structures are precisely calculated to ensure that the front mold and the rear mold can be smoothly separated during the mold closing and demolding processes, and at the same time, the local structure of the product is ensured to be intact, the cooperation of the four dovetail type positioning grooves and the four dovetail type positioning blocks can provide high-precision and stable mold alignment and locking functions, and ensure the product size precision and appearance consistency, and the multi-point guiding and stress dispersion design can reduce the local stress concentration, prolong the service life of the mold and related parts, and reduce the maintenance cost.

[0007] Preferably, the middle part of the inner wall of the two inclined top seats is provided with a sliding groove, and the top of the two inclined top rods is fixedly provided with a sliding block, and the four sliding grooves are respectively connected with the four sliding blocks, and the cooperation of the four sliding grooves and the four sliding blocks facilitates the stable movement of the two inclined top rods.

[0008] Preferably, the four corners of the bottom end of the front mold are provided with dovetail type positioning grooves, and the four dovetail type positioning grooves are respectively provided with four dovetail type positioning blocks, and the cooperation of the four dovetail type positioning grooves and the four dovetail type positioning blocks can provide high-precision and stable mold alignment and locking functions, and ensure the product size precision and appearance consistency.

[0009] Preferably, the middle part of the inner side of the two installation clamping grooves is provided with an auxiliary groove, and the inside of the two auxiliary grooves is clamped with a stable seat, and the two stable seats are respectively connected with two installation clamping blocks, and the setting of the two stable seats can play a protection role.

[0010] Preferably, the two sides of the top end of the two installation clamping blocks are provided with installation holes, and the inner side of the two installation holes is provided with a first threaded hole, and the two sides of the bottom end of the inner wall of the two installation clamping grooves are provided with a second threaded hole, and the four first threaded holes are respectively and threadedly connected with the four second threaded holes. Four fixed bolts are provided between the four first threaded holes and the four second threaded holes, and the four fixed bolts are provided to facilitate the fixed installation of the two installation clamping blocks.

[0011] Preferably, four connecting clamping blocks are respectively and threadedly connected with four connecting clamping grooves, and eight fastening bolts are provided to facilitate the fixation of the four connecting clamping blocks.

[0012] Preferably, two inclined top rods are respectively connected with two inclined top seats, and the cooperation of the two inclined top seats facilitates the stable movement of the two inclined top rods.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] By setting two inclined top structures in the front mold, and both adopting different inclined angles or inclined directions, they are complementary to each other and can work together to realize multi-angle demolding assistance, which not only solves the problem of insufficient demolding assistance of traditional single-side inclined top, but also balances the stress and reduces the risk of wire clamping and scratches, and the angles and heights of the two inclined top structures are precisely calculated to ensure that the front mold and the rear mold can be smoothly separated during the mold closing and demolding process, while ensuring that the local structure of the product is intact, the cooperation of the four dovetail type positioning grooves and the four dovetail type positioning blocks can provide high-precision and stable mold alignment and locking function, ensure the product size precision and appearance consistency, and the multi-point guiding and stress dispersion design can reduce the local stress concentration, prolong the service life of the mold and related parts, and reduce the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 It is an enlarged view of local A of the utility model;

[0018] Figure 4 It is an enlarged view of local B of the utility model.

[0019] In the drawing: 1, base; 2, rear mold; 3, electric hydraulic rod; 4, connecting block; 5, front mold; 6, dovetail type positioning groove; 7, setting clamping groove; 8, setting clamping block; 9, auxiliary groove; 10, stable seat; 11, inclined top seat; 12, extension spring; 13, inclined top rod; 14, reverse buckle; 15, sliding groove; 16, sliding block; 17, setting hole; 18, first threaded hole; 19, second threaded hole; 20, fixed bolt; 21, connecting clamping groove; 22, connecting clamping block; 23, fastening bolt; 24, dovetail type positioning block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a kind of injection mold with front mould double bevel ejection and dovetail groove, including pedestal 1, the middle part of the top end of pedestal 1 is fixedly arranged with rear mould 2, four corners of the top end of rear mould 2 are all provided with connecting clamping groove 21, the inside of four connecting clamping grooves 21 is all clamped with connecting clamping block 22, the top end of four connecting clamping blocks 22 is all fixedly arranged with dovetail type locating block 24, the four corners of the top end of pedestal 1 are all fixedly installed with electric hydraulic rod 3, the top between two electric hydraulic rods 3 located in the same side is all fixedly arranged with connecting block 4, front mould 5 is fixedly arranged between two connecting blocks 4, the top end of two front moulds 5 is all provided with setting clamping groove 7, the inside of two setting clamping grooves 7 is all clamped with setting clamping block 8, the middle part of the bottom end of two setting clamping blocks 8 is all fixedly arranged with bevel ejection seat 11, the top of the inner side of two bevel ejection seats 11 is all fixedly connected with telescopic spring 12, the bottom end of two telescopic springs 12 is all fixedly connected with bevel ejection rod 13, the inclination angle of two bevel ejection rods 13 is different, the bottom of two bevel ejection rods 13 is all fixedly arranged with reverse buckle 14, by setting two bevel ejection structures in front mould, and they are respectively used different inclination angle or inclination direction, complement each other, can synergistic effect, realize multi-angle demoulding auxiliary, both solve the problem of traditional single side bevel ejection demoulding auxiliary deficiency, can also balanced stress, reduce the risk of line clamping and scratch, and the angle and height of two bevel ejection structures are accurately calculated, can ensure that front mould 5 and rear mould 2 can realize smooth separation between in moulding and demoulding process, guarantee product local structure is intact, by the cooperation of four dovetail type locating grooves 6 and four dovetail type locating blocks 24, high-precision, stable mold alignment and locking function can be provided, ensure product size precision and appearance consistency, and multi-point guiding and stress dispersion design can reduce local stress concentration, prolong the service life of mould and related components, reduce maintenance cost.

[0022] The middle part of the inner wall of two bevel ejection seats 11 is all provided with sliding groove 15, the top of the two sides of two bevel ejection rods 13 is all fixedly arranged with sliding block 16, four sliding grooves 15 are slidably connected with four sliding blocks 16 respectively, four corners of the bottom end of front mould 5 are all provided with dovetail type locating groove 6, four dovetail type locating grooves 6 are correspondingly arranged with four dovetail type locating blocks 24 respectively, the middle part of the inner side of two setting clamping grooves 7 is all provided with auxiliary groove 9, the inside of two auxiliary grooves 9 is all clamped with stable seat 10, two stable seats 10 are fixedly connected with two setting clamping blocks 8 respectively;

[0023] When using, the cooperation of four sliding grooves 15 and four sliding blocks 16 facilitates the stable movement of two bevel ejection rods 13, the cooperation of four dovetail type locating grooves 6 and four dovetail type locating blocks 24 can provide high-precision, stable mold alignment and locking function, ensure product size precision and appearance consistency, the setting of two stable seats 10 can play a protection role;

[0024] Two sides of the top end of the two setting blocks 8 are provided with setting holes 17, the inner side of the two setting holes 17 is provided with a first threaded hole 18, the inner wall of the two setting blocks 7 is provided with a second threaded hole 19, the four first threaded holes 18 are respectively screwed with the four second threaded holes 19, the four connecting blocks 22 are respectively screwed with the four connecting grooves 21, and the two inclined jacks 13 are respectively connected with the two inclined jacks 11.

[0025] In use, the two setting blocks 8 are fixedly installed through the four fixing bolts 20, the four connecting blocks 22 are fixed through the eight fastening bolts 23, and the two inclined jacks 13 are stably moved through the two inclined jacks 11.

[0026] In use, the two inclined jacks are arranged in the front mold, and the two inclined jacks have different inclined angles or inclined directions, are complementary to each other, and can realize multi-angle demolding assistance, solve the problem of insufficient single-side inclined demolding assistance, balance the stress, reduce the risk of line clamping and scratches, and ensure that the front mold 5 and the rear mold 2 can be smoothly separated during the clamping and demolding processes, and the product local structure is intact, the high-precision and stable mold alignment and locking function can be provided through the cooperation of the four dovetail positioning grooves 6 and the four dovetail positioning blocks 24, the product size precision and appearance consistency are ensured, the multi-point guiding and stress dispersion design can reduce the local stress concentration, prolong the service life of the mold and related parts, and reduce the maintenance cost.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An injection mold with a front mold double-sloping ejector and dovetail groove, comprising a base (1), characterized in that: A rear mold (2) is fixedly installed at the center of the top of the base (1). Connecting slots (21) are provided at the four corners of the top of the rear mold (2). Connecting blocks (22) are engaged inside each of the four connecting slots (21). Dovetail-shaped positioning blocks (24) are fixedly installed at the top of each of the four connecting blocks (22). Electric hydraulic rods (3) are fixedly installed at the four corners of the top of the base (1). Connecting blocks (4) are fixedly installed at the top between two electric hydraulic rods (3) on the same side. A connecting block (4) is fixedly installed between two connecting blocks (4). The front mold (5) has a mounting slot (7) at the top of each of the two front molds (5). The mounting slot (7) is fitted with a mounting block (8) inside each of the two mounting slots (7). An inclined top seat (11) is fixedly installed at the middle of the bottom of each of the two mounting blocks (8). A telescopic spring (12) is fixedly connected to the top of the inner side of each of the two inclined top seats (11). An inclined top rod (13) is fixedly connected to the bottom of each of the two telescopic springs (12). The two inclined top rods (13) have different inclination angles. An undercut (14) is fixedly installed at the bottom of each of the two inclined top rods (13).

2. The injection mold according to claim 1, characterized in that: The two inclined top seats (11) have a sliding groove (15) in the middle of both sides of the inner wall, and the two inclined top rods (13) have a slider (16) fixedly installed on the top of both sides. The four sliding grooves (15) are slidably connected to the four sliders (16) respectively.

3. The injection mold according to claim 1, characterized in that: The four corners of the bottom of the front mold (5) are provided with dovetail-shaped positioning grooves (6), and the four dovetail-shaped positioning grooves (6) are respectively set with four dovetail-shaped positioning blocks (24).

4. The injection mold according to claim 1, characterized in that: An auxiliary groove (9) is provided in the middle of the inner side of each of the two mounting slots (7). A stabilizing seat (10) is engaged inside each of the two auxiliary grooves (9). The two stabilizing seats (10) are fixedly connected to the two mounting blocks (8) respectively.

5. The injection mold according to claim 1, characterized in that: The two mounting blocks (8) have mounting holes (17) on both sides of their top ends. The two mounting holes (17) have first threaded holes (18) on their inner sides. The two mounting slots (7) have second threaded holes (19) on both sides of their inner bottom ends. The four first threaded holes (18) are threaded with four second threaded holes (19) respectively. Fixing bolts (20) are threaded between the four first threaded holes (18) and the four second threaded holes (19).

6. The injection mold according to claim 1, characterized in that: Each of the four connecting blocks (22) is threaded with two fastening bolts (23) between it and the four connecting slots (21).

7. The injection mold according to claim 1, characterized in that: The two inclined rods (13) are respectively inserted and connected to the two inclined seats (11).

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