Secondary ejection mechanism

Abstract

The utility model discloses a secondary ejection mechanism. The secondary ejection mechanism comprises a mold body, the ejector pin top plate is arranged in the mold body in a sliding manner; the utility model has the beneficial effects that the sliding block, the inclined plane opening and the shovel block are arranged, so that the shovel block enters the first through opening, the inclined plane opening in the sliding block is pressed by the shovel block, the sliding block moves to cancel the limit with the top end of the supporting top column, and the sliding block is prevented from moving; and at the moment, the supporting ejection column continues to move into the second through opening, meanwhile, a secondary ejection pin at the top of the ejector pin bottom plate conducts secondary ejection treatment on a secondary ejection insert, the mold ejection efficiency is improved, by arranging a guide rod and a limiting rod, the positions of the ejector pin ejection plate and the ejector pin bottom plate during movement are limited, and the stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ejection mechanism technical field, concretely is a secondary ejection mechanism. BACKGROUND

[0002] Mold ejection refers to the process of pushing or ejecting the product out of the mold through certain mechanical device after the product is formed in the molding process such as injection molding, die casting and stamping. This process is a very key link in mold manufacturing and using, because it directly affects the quality and production efficiency of the product. The insert ejection in the mold refers to using the insert (also known as the insert, inlay, etc.) as part of the ejection mechanism during the mold design and manufacturing process to assist or achieve the ejection and demolding process of the product. However, the secondary ejection of the insert in the existing mold mostly needs to set multiple driving mechanisms to complete the function of secondary ejection, and the efficiency of secondary ejection is low. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a secondary ejection mechanism to solve the problem of secondary ejection of the insert in the existing mold mostly needing to set multiple driving mechanisms to complete the function of secondary ejection, and the efficiency of secondary ejection being low.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a secondary ejection mechanism, comprising:

[0005] A mold body;

[0006] A needle top plate is slidably arranged in the inside of the mold body;

[0007] A fixed seat is arranged on the top of the needle top plate;

[0008] A primary needle is arranged on the top of the fixed seat;

[0009] A secondary needle is slidably arranged in the inside of the primary needle;

[0010] A needle bottom plate is slidably arranged in the inside of the mold body;

[0011] A supporting top column is arranged in the inside of the needle bottom plate;

[0012] A No. Two through hole is arranged in the inside of the mold body;

[0013] A sliding block is slidably arranged in the inside of the needle top plate, and the supporting top column cooperates with the sliding block;

[0014] A No. One through hole is arranged in the inside of the needle top plate, and the inside of the mold body is fixedly connected with a shovel block matched with the No. One through hole;

[0015] The inclined surface opening is arranged in the interior of the sliding block and is matched with the shovel block.

[0016] As a preferred scheme of the utility model: still include one time ejection insert, one time ejection insert fixed in the top of one time ejector pin, the top of the secondary ejector pin is fixed with secondary ejection insert, the secondary ejector pin is fixed with ejector pin bottom plate.

[0017] As a preferred scheme of the utility model: one side of the sliding block is fixed with limit slide plate, the limit slide plate is slidably connected with ejector pin top plate, one side of the limit slide plate is provided with No.

[0018] As a preferred scheme of the utility model: the top of the ejector pin bottom plate is fixed with guide rod, the guide rod is slidably connected with ejector pin top plate, the outer side of the guide rod is fixed with limit sleeve, the interior of the mold body is provided with guide hole matched with guide rod, the interior of the guide hole is provided with slot matched with limit sleeve.

[0019] As a preferred scheme of the utility model: the interior of the ejector pin top plate and ejector pin bottom plate is slidably provided with limit rod, the limit rod is fixed with mold body.

[0020] As a preferred scheme of the utility model: the top of the ejector pin bottom plate is provided with top slot matched with shovel block, the bottom of the mold body is provided with top hole.

[0021] Compared with the prior art, the utility model has the advantages that: the utility model through set up sliding block, inclined surface opening and shovel block, realized shovel block into the first through hole, through shovel block to the inclined surface opening in the sliding block is pressed, and the limit of the support top column top is cancelled when the sliding block moves, at this time, the support top column continues to move into the second through hole, and the secondary ejector pin on the top of the ejector pin bottom plate carries out secondary ejection treatment to the secondary ejection insert, improves the die ejection efficiency, and through setting up guide rod, limit rod, realizes the position limitation when the ejector pin top plate and ejector pin bottom plate move, improves the stability. ACCURACY OF DRAWINGS

[0022] Figure 1 It is internal structure schematic diagram of the utility model;

[0023] Figure 2 It is the utility model Figure 1 A place enlarged view in the utility model;

[0024] Figure 3 It is the utility model Figure 1 B place enlarged view in the utility model.

[0025] In the figure: 1, the mold body; 2, top hole; 3, thimble bottom plate; 4, support top column; 5, top groove; 6, guide rod; 7, limit sleeve; 8, guide hole; 9, one-time ejection insert; 10, secondary ejection insert; 11, fixed seat; 12, secondary thimble; 13, primary thimble; 14, thimble top plate; 15, spade block; 16, No. 1 through hole; 17, sliding block; 18, bevel hole; 19, limit sliding plate; 20, No. 2 spring; 21, limit rod; 22, No. 2 through hole; 23, notch. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1 to 3 The utility model provides a kind of technical scheme: a secondary ejection mechanism, comprising: mold body 1;Thimble top plate 14 is slidably arranged in the inside of mold body 1;Fixed seat 11 is fixedly connected at the top of thimble top plate 14;Primary thimble 13 is fixedly connected at the top of fixed seat 11;Secondary thimble 12 is slidably arranged in the inside of primary thimble 13;Thimble bottom plate 3 is slidably arranged in the inside of mold body 1;Support top column 4 is fixedly connected in the inside of thimble bottom plate 3;No. 2 through hole 22 is opened in the inside of mold body 1;Sliding block 17 is slidably arranged in the inside of thimble top plate 14, and support top column 4 cooperates with sliding block 17;No. 1 through hole 16 is opened in the inside of thimble top plate 14, and spade block 15 that cooperates with No. 1 through hole 16 is fixedly connected in the inside of mold body 1;Bevel hole 18 is opened in the inside of sliding block 17, and bevel hole 18 cooperates with spade block 15.

[0028] It can be understood that the utility model discloses through the external hydraulic cylinder, the output of external hydraulic cylinder passes through the top hole 2 and is fixed with the thimble bottom plate 3, the output of hydraulic cylinder drives the thimble bottom plate 3 to move upwards, the thimble bottom plate 3 moves upwards and drives the support top column 4, the guide rod 6 to move upwards, the support top column 4 drives the sliding block 17, the thimble top plate 14 to move upwards, when the thimble top plate 14 moves upwards, drive the first thimble 13, the first thimble 13 and the second thimble 12 are synchronous and move upwards, at this moment, the first thimble 13 drives the first ejection insert 9 to complete the first ejection, when the thimble top plate 14 continues to move upwards, the shovel block 15 enters the first through hole 16, the shovel block 15 contacts the inclined surface 18, the shovel block 15 drives the inclined surface 18 in the sliding block 17, the inclined surface 18 drives the sliding block 17 and the limiting slide plate 19 to move, the limiting slide plate 19 drives the second spring 20, the shovel block 15 enters the inclined surface 18, the support top column 4, the thimble bottom plate 3 and the second thimble 12 continue to move upwards, the first thimble 13 and the thimble top plate 14 are fixed in the position in the mold body 1, the second ejection insert 10 is handled by the second thimble 12 on the top of the thimble bottom plate 3 to the second ejection, after ejection, reset the output of hydraulic cylinder drives the thimble bottom plate 3 to move downwards, the thimble bottom plate 3 drives the support top column 4, the second thimble 12 to reset, the thimble bottom plate 3 drives the guide rod 6 on the top to move downwards, the guide rod 6 is reset by the limiting sleeve 7 on the outside to the thimble top plate 14 downwards, at the same time, when the support top column 4 reaches the position below the sliding block 17, the second spring 20 is reset and drives the limiting slide plate 19, the sliding block 17 to reset, completes the reset of each component, carries out the next ejection work.

[0029] Please refer to Figure 1 and Figure 3 Also include the first ejection insert 9, the first ejection insert 9 is fixed at the top of the first thimble 13, the second thimble 12 is fixed with the second ejection insert 10, the second thimble 12 is fixed with the thimble bottom plate 3.

[0030] It can be understood that the utility model completes the first ejection through the first ejection insert 9, and the second ejection insert 10 on the top of the second thimble 12 completes the second ejection handling.

[0031] Please refer to Figure 1 and Figure 3 The side of the sliding block 17 is fixed with the limiting slide plate 19, the limiting slide plate 19 is slidably connected with the thimble top plate 14, the side of the limiting slide plate 19 is provided with the second spring 20, one end of the second spring 20 is fixed with the limiting slide plate 19, the other end of the second spring 20 is fixed with the thimble top plate 14.

[0032] It can be understood that the utility model sliding block 17 and the limiting slide plate 19 move and drive the second spring 20 in the thimble top plate 14, the second spring 20 resets and drives the limiting slide plate 19 and the sliding block 17 to reset.

[0033] Please refer to Figure 1 and Figure 3 The top of the ejector bottom plate 3 is fixedly connected with a guide rod 6, the guide rod 6 is slidably connected with the ejector top plate 14, the outer side of the guide rod 6 is fixedly connected with a limiting sleeve 7, the inside of the mold body 1 is provided with a guide hole 8 matched with the guide rod 6, and the inside of the guide hole 8 is provided with a slot 23 matched with the limiting sleeve 7.

[0034] It can be understood that the guide rod 6 of the utility model moves upwards into the guide hole 8, and the limiting sleeve 7 moves upwards into the slot 23.

[0035] Please refer to Figure 1 and Figure 3 The inside of the ejector top plate 14 and the ejector bottom plate 3 is slidably provided with a limiting rod 21, and the limiting rod 21 is fixedly connected with the mold body 1.

[0036] It can be understood that the utility model limits the moving position of the ejector bottom plate 3 and the ejector top plate 14 through the limiting rod 21, thereby improving stability.

[0037] Please refer to Figure 1 and Figure 3 The top of the ejector bottom plate 3 is provided with a top groove 5 matched with the shovel block 15, and the bottom of the mold body 1 is provided with a top hole 2.

[0038] It can be understood that the utility model is externally connected with a hydraulic cylinder, the output end of the hydraulic cylinder passes through the top hole 2 and is fixedly connected with the ejector bottom plate 3, and the output end of the hydraulic cylinder drives the ejector bottom plate 3 to move upwards for adjustment.

[0039] In the description of the utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model.

[0040] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0041] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0042] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A secondary ejection mechanism, characterized in that: include: Mold body (1); An ejector plate (14) is slidably arranged inside the mold body (1); A fixing seat (11), the fixing seat (11) is arranged on the top of the ejector plate (14); A primary ejector pin (13), the primary ejector pin (13) is arranged on the top of the fixing seat (11); A secondary ejector pin (12), the secondary ejector pin (12) being slidably arranged inside the primary ejector pin (13); An ejector base plate (3), the ejector base plate (3) being slidably arranged inside the mold body (1); A supporting top column (4), the supporting top column (4) is arranged inside the ejector base plate (3); A second opening (22), the second opening (22) is provided inside the mold body (1); A sliding block (17) is slidably arranged inside the ejector plate (14), and the supporting ejector column (4) cooperates with the sliding block (17); A No. 1 opening (16), the No. 1 opening (16) is provided inside the ejector pin top plate (14), and a shovel block (15) cooperating with the No. 1 opening (16) is fixedly connected inside the mold body (1); The bevel opening (18) is opened inside the sliding block (17), and the bevel opening (18) is matched with the shovel block (15).

2. A secondary ejection mechanism according to claim 1, characterized in that: It also includes a primary ejection insert (9), which is fixed to the top of a primary ejector pin (13), and a secondary ejection insert (10) is fixed to the top of the secondary ejector pin (12), and the secondary ejector pin (12) is fixed to the ejector base plate (3).

3. The secondary ejection mechanism according to claim 1, characterized in that: One side of the sliding block (17) is fixedly connected to a limiting slide plate (19), and the limiting slide plate (19) is slidably connected to the ejector plate (14). A second spring (20) is provided on one side of the limiting slide plate (19), one end of the second spring (20) is fixedly connected to the limiting slide plate (19), and the other end of the second spring (20) is fixedly connected to the ejector plate (14).

4. The secondary ejection mechanism according to claim 1, characterized in that: A guide rod (6) is fixed to the top of the ejector base plate (3), and the guide rod (6) is slidably connected to the ejector top plate (14). A limit sleeve (7) is fixed to the outer side of the guide rod (6). A guide hole (8) cooperating with the guide rod (6) is provided inside the mold body (1), and a notch (23) cooperating with the limit sleeve (7) is provided inside the guide hole (8).

5. The secondary ejection mechanism according to claim 1, characterized in that: A limiting rod (21) is provided for internal sliding of the ejector top plate (14) and the ejector bottom plate (3), and the limiting rod (21) is fixedly connected to the mold body (1).

6. The secondary ejection mechanism according to claim 1, characterized in that: A top groove (5) cooperating with a shovel block (15) is provided on the top of the ejector base plate (3), and a top hole (2) is provided on the bottom of the mold body (1).

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