CN209755933U - high-precision nail bin injection mold - Google Patents

Abstract

The utility model belongs to the technical field of the nail storehouse, especially, high accuracy nail storehouse injection mold solves the movable mould board that exists among the prior art and the accurate and more difficult shortcoming of injection mold drawing of patterns of fixed die plate location, including the cover half bedplate, the top side of cover half bedplate is equipped with the runner cover, and the bottom side fixed mounting of cover half bedplate has the cover half seat, and the both sides of cover half bedplate fixed mounting respectively have first extension board and second extension board, and one side movable mounting that first extension board and second extension board are close to each other has the same movable mould bedplate that is located cover half seat below, and the top side fixed mounting of movable mould bedplate has the movable mould base, movable mould base and cover half seat looks adaptation. The utility model discloses simple structure, movable mould bedplate is spacing at two shifting chutes through two movable blocks for the dislocation can not take place for the movable mould bedplate removes the in-process, rotates the knob and can reset fast at L type pole under the rebound effect of spring promptly, thereby stimulates movable mould bedplate downstream, realizes the rapid demoulding.

Description

A high-precision nail cartridge injection mold

technical field

The utility model relates to the technical field of nail bins, in particular to a high-precision nail bin injection mold.

Background technique

Injection molding is a tool for producing plastic products, and it is also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to melting plastic by heat. The injection molding machine injects into the mold cavity under high pressure, and after cooling and solidifying, a molded product is obtained. Injection molds are needed in the production process of the staple cartridge.

The patent with the publication number CN205522298U discloses a high-precision injection mold, which includes a movable template and a fixed template that are arranged in layers and can move relatively. The fixed template is arranged above the movable template, which improves the cooling efficiency of the movable template and the fixed template, and prevents The injection raw material overflows after injection to ensure sufficient injection volume and precision. However, the high-precision injection mold does not have the function of positioning. Negative pressure is formed inside, and it is difficult to demould the movable template and the fixed template, and the forced demoulding will easily lead to product deformation, so it cannot meet the needs of use.

Utility model content

The purpose of the utility model is to solve the disadvantages of the inaccurate positioning of the movable template and the fixed template in the prior art and the difficulty in demoulding the injection mold, and propose a high-precision nail bin injection mold.

In order to achieve the above object, the utility model adopts the following technical solutions:

A high-precision nail bin injection mold, comprising a fixed mold base plate, a sprue sleeve is provided on the top side of the fixed mold base plate, a fixed mold base is fixedly installed on the bottom side of the fixed mold base plate, and the two sides of the fixed mold base plate The first support plate and the second support plate are fixedly installed on the sides respectively, and the side of the first support plate and the second support plate close to each other is movably installed with the same movable mold base plate located under the fixed mold base. The top side is fixedly equipped with a movable mold base, which is matched with the fixed mold base. The side of the movable mold base plate away from the fixed mold base plate is provided with a movable mold installed on the side of the first support plate close to the second support plate. U-shaped frame, the same L-shaped rod is movably installed on the inner walls of both sides of the U-shaped frame. Both ends of the L-shaped rod extend to the outside of the U-shaped frame. Rotation is installed on the bottom side of the movable mold base plate, the bottom side of the L-shaped rod is rotated and installed with a push-pull rod, and the side of the first support plate close to the second support plate is fixedly installed with a fixed rod under the U-shaped frame, and the push-pull rod The bottom end of the L-shaped rod is rotatably mounted on the top side of the fixed rod. A rotating hole is opened on one side of the L-shaped rod. A rotating column is installed in the rotating hole. Both ends of the rotating column extend into the rotating hole. The U-shaped frame There is an elliptical hole on the inner wall near the rotating column, and one end of the rotating column extends into the elliptical hole. When the knob is turned, the L-shaped rod can be quickly reset under the rebound of the spring, thereby pulling the movable mold base plate to move downward, realizing Quick release.

Preferably, limit slots are provided on the inner walls of both sides of the U-shaped frame, and limit posts are installed on both sides of the L-shaped rod, and the ends of the two limit posts that are far away from each other extend into the two limit slots respectively. , to limit the L-shaped rod, so that the L-shaped rod moves and turns.

Preferably, one side of the limiting post is provided with a sliding hole located in the limiting groove, a sliding rod is movably installed in the sliding hole, and the two ends of the sliding rod are fixedly installed on the inner walls of both sides of the sliding hole respectively, and the sliding rod There is a spring on the upper movable sleeve, one end of the spring is fixedly installed on the side of the limit post away from the oval hole, and the other end of the spring is fixedly installed on the inner wall of the side of the limit groove away from the oval hole, and the L-shaped rod is limited. , and the spring is conducive to the quick reset of the L-shaped rod.

Preferably, both sides of the L-shaped rod are provided with rotation grooves, and the ends of the two position-limiting columns close to each other are respectively rotated and installed in the two rotation grooves.

Preferably, the inner wall of the elliptical hole is annularly provided with a card slot, one end of the rotating column is fixedly installed with a card block located in the elliptical hole, both sides of the card block extend into the card slot, and the other end of the rotating column is fixedly installed There is a knob to fix the rotating column, and then fix the L-shaped rod and the movable mold seat plate.

Preferably, the sides of the first support plate and the second support plate that are close to each other are provided with moving slots, and moving blocks are movably installed in the two moving slots, and the sides of the two moving blocks that are close to each other are fixedly installed on the On both sides of the movable mold base plate, the movable mold base plate is limited in the two moving grooves by two moving blocks, so that the movable mold base plate will not be dislocated during the moving process.

The beneficial effects of the utility model are:

In the utility model, the fixed mold base can The injection mold that forms the nail bin with the movable mold base. When the movable mold base plate moves upwards and approaches the fixed mold base plate, the movable mold base plate is limited in the two moving grooves by two moving blocks, so that the moving mold base plate moves No misalignment will occur in

In the utility model, through the U-shaped frame, the L-shaped rod, the adjusting rod, the push-pull rod, the fixed rod, the rotating hole, the rotating column, the elliptical groove, the knob, the clamping groove, the clamping block, the limiting groove, the rotating groove and the limiting column , the sliding hole, and the sliding rod are used together to push the L-shaped rod, and the spring is stretched. During the movement of the L-shaped rod, the bottom side of the L-shaped rod drives the push-pull rod to rotate, so that the L-shaped rod and the L-shaped rod rotate simultaneously. The U-shaped frame moves upwards together. In addition, when the L-shaped rod rotates, the movable mold base plate is pushed by the adjusting rod, so that the movable mold base plate moves upward quickly. After the rotating column enters the elliptical groove during the movement of the L-shaped rod, turn the knob The rotating column is fixed in the ring-shaped elliptical groove through the clamping block, thereby fixing the rotating column, and then fixing the L-shaped rod and the movable mold seat plate;

The utility model has a simple structure. The movable mold base plate is limited in two moving grooves by two moving blocks, so that no misalignment will occur during the moving process of the movable mold base plate. Turning the knob means that the L-shaped rod can Quickly reset, thereby pulling the movable mold seat plate to move down to realize quick demoulding.

Description of drawings

Fig. 1 is the structural representation of a kind of high-precision nail bin injection mold that the utility model proposes;

Fig. 2 is the top view structure schematic diagram of a kind of high-precision nail magazine injection mold U-frame proposed by the utility model;

Fig. 3 is a structural schematic diagram of part A in Fig. 2 of a high-precision nail cartridge injection mold proposed by the utility model.

In the figure: 1 fixed mold base plate, 2 sprue sleeve, 3 fixed mold base, 4 first support plate, 5 second support plate, 6 movable mold base plate, 7 movable mold base, 8 moving block, 9 moving groove, 10 U-shaped frame, 11 L-shaped rod, 12 Adjusting rod, 13 Push-pull rod, 14 Fixed rod, 15 Rotating hole, 16 Rotating column, 17 Oval groove, 18 Knob, 19 Card slot, 20 Card block, 21 Limit slot, 22 rotating grooves, 23 limit posts, 24 sliding holes, 25 sliding rods.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a high-precision nail bin injection mold includes a fixed mold base plate 1, a sprue sleeve 2 is provided on the top side of the fixed mold base plate 1, and a fixed mold is fixedly installed on the bottom side of the fixed mold base plate 1. Seat 3, the first support plate 4 and the second support plate 5 are fixedly installed on both sides of the fixed mold seat plate 1 respectively, and the side of the first support plate 4 and the second support plate 5 close to each other is movably installed with the same The movable mold base plate 6 below the mold base 3, the top side of the movable mold base plate 6 is fixedly installed with the movable mold base 7, the movable mold base 7 is compatible with the fixed mold base 3, and the movable mold base plate 6 is far away from the fixed mold base plate One side of 1 is provided with a U-shaped frame 10 that is movably installed on the side of the first support plate 4 close to the second support plate 5, and the same L-shaped rod 11 is movably installed on the inner walls of both sides of the U-shaped frame 10. The two ends of bar 11 all extend to the outside of U-shaped frame 10, and the top of L-shaped bar 11 is rotatably installed with adjusting bar 12, and the top of adjusting bar 12 is rotatably installed on the bottom side of movable mold seat plate 6, and the top of L-shaped bar 11 The bottom side is rotatably equipped with a push-pull rod 13, and the side of the first support plate 4 near the second support plate 5 is fixedly equipped with a fixed rod 14 positioned at the bottom of the U-shaped frame 10, and the bottom end of the push-pull rod 13 is rotatably mounted on the side of the fixed rod 14. On the top side, one side of the L-shaped bar 11 is provided with a rotating hole 15, and a rotating column 16 is installed in the rotating hole 15. Both ends of the rotating column 16 extend into the rotating hole 15, and the U-shaped frame 10 is close to the rotating column 16. An oval hole 17 is opened on one side of the inner wall, and one end of the rotating column 16 extends into the oval hole 17. Turning the knob 18 means that the L-shaped rod 11 can be quickly reset under the rebound of the spring, thereby pulling the movable mold seat plate 6 downward. Move for quick demoulding.

In the utility model, limit grooves 21 are provided on the inner walls of both sides of the U-shaped frame 10, limit posts 23 are installed on both sides of the L-shaped bar 11, and the ends of the two limit posts 23 that are far away from each other extend to two sides respectively. In a limit slot 21, the L-shaped bar 11 is limited, so that the L-shaped bar 11 moves while turning.

In the utility model, one side of the limit post 23 is provided with a sliding hole 24 located in the limit groove 21, and a sliding rod 25 is movably installed in the sliding hole 24, and the two ends of the sliding rod 25 are respectively fixedly installed in the sliding hole 24. On the inner walls of both sides, a spring is movably sleeved on the sliding rod 25, and one end of the spring is fixedly installed on the side of the limiting column 23 away from the oval hole 17, and the other end of the spring is fixedly installed on the side of the limiting groove 21 away from the oval hole 17. On one side of the inner wall, the L-shaped rod 11 is limited, and the spring is conducive to the quick reset of the L-shaped rod 11.

In the utility model, both sides of the L-shaped bar 11 are provided with rotating grooves 22 , and the ends of the two position-limiting columns 23 that are close to each other are respectively rotated and installed in the two rotating grooves 22 .

In the present utility model, the inner wall of the elliptical hole 17 is annularly provided with a card slot 19, and one end of the rotating column 16 is fixedly mounted with a card block 20 located in the elliptical hole 17, and both sides of the card block 20 extend into the card slot 19, The other end of the rotating column 16 is fixedly equipped with a knob 18, which fixes the rotating column 16, and then fixes the L-shaped rod 11 and the movable mold seat plate 6.

In the utility model, the side where the first support plate 4 and the second support plate 5 are close to each other is provided with a moving groove 9, and a moving block 8 is movably installed in the two moving grooves 9, and the two moving blocks 8 are close to each other. One side is fixedly installed on both sides of the movable mold base plate 6 respectively, and the movable mold base plate 6 is limited in two moving grooves 9 by two moving blocks 8, so that the movable mold base plate 6 will not be dislocated during the movement process .

In the utility model, the fixed mold base 3 and the movable mold base 7 form the injection mold of the nail bin, and when the movable mold base plate 6 moves upward and approaches the fixed mold base plate 1, the movable mold base plate 6 is limited by two moving blocks 8 In the two moving grooves 9, the movable mold seat plate 6 will not be dislocated during the moving process. When the raw material of the nail bin is injected through the sprue sleeve 2, the L-shaped rod 11 is pushed, and the two limit columns 23 are respectively positioned on the two sides. Move in the limit groove 21, the spring is stretched, during the movement of the L-shaped rod 11, the bottom side of the L-shaped rod 11 drives the push-pull rod 13 to rotate, and the bottom end of the push-pull rod 13 is rotated and installed on the top side of the fixed rod 14 In addition, when the L-shaped rod 11 rotates, the L-shaped rod 11 and the U-shaped frame 10 move upward together. In addition, when the L-shaped rod 11 rotates, the movable mold seat plate 6 is pushed by the adjustment rod 12, so that the movable mold seat plate 6 quickly During the upward movement of the L-shaped rod 11, the rotating column 16 enters the elliptical groove 17, and the knob 18 is turned, so that the rotating column 16 is fixed in the annular elliptical groove 19 through the block 20, thereby fixing the rotating column 16. , and then fix the L-shaped rod 11 and the movable mold seat plate 6. When the nail cartridge is cooled and molded and demolded, the knob 18 is turned to make the block 20 turn into the oval groove 17, and the L-shaped rod 11 can quickly Reset, thereby pulling the movable mold seat plate 6 to move downwards to realize quick demoulding.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. a high-precision nail bin injection mold, comprising a fixed mold base plate (1), is characterized in that, the top side of the fixed mold base plate (1) is provided with a sprue cover (2), and the fixed mold base plate (1) The bottom side of 1) is fixedly equipped with a fixed mold base (3), and the two sides of the fixed mold base plate (1) are respectively fixedly installed with a first support plate (4) and a second support plate (5), and the first support plate ( 4) The side close to the second support plate (5) is movably installed with the same movable mold base plate (6) located below the fixed mold base (3), and the top side of the movable mold base plate (6) is fixedly installed with The movable mold base (7), the movable mold base (7) is compatible with the fixed mold base (3), and the side of the movable mold base plate (6) away from the fixed mold base plate (1) is provided with a first movable mounting Plate (4) is close to the U-shaped frame (10) on the second support plate (5) one side, and same L-shaped bar (11) is movably installed on the both sides inner wall of U-shaped frame (10), L-shaped bar ( Both ends of 11) extend to the outside of the U-shaped frame (10), the top of the L-shaped rod (11) is rotated and installed with an adjustment rod (12), and the top of the adjustment rod (12) is rotated and installed on the movable mold seat plate (6) On the bottom side of the L-shaped bar (11), the bottom side of the L-shaped bar (11) is rotatably equipped with a push-pull rod (13), and the side of the first support plate (4) near the second support plate (5) is fixedly installed with a U-shaped frame (10 ) below the fixed rod (14), the bottom end of the push-pull rod (13) is installed on the top side of the fixed rod (14), and one side of the L-shaped rod (11) is provided with a rotation hole (15), and the rotation A rotating post (16) is installed in the hole (15), and the two ends of the rotating post (16) all extend into the rotating hole (15). There is an elliptical hole (17), and one end of the rotating column (16) extends into the elliptical hole (17). 2. A high-precision nail cartridge injection mold according to claim 1, characterized in that, the inner walls of both sides of the U-shaped frame (10) are provided with limiting grooves (21), and the L-shaped rod (11) Both sides of the two limit posts (23) are rotated and installed, and the ends of the two limit posts (23) extending away from each other respectively extend into the two limit grooves (21). 3. A high-precision nail cartridge injection mold according to claim 2, characterized in that, one side of the limiting post (23) is provided with a sliding hole (24) in the limiting groove (21), A slide bar (25) is movably installed in the slide hole (24), and the two ends of the slide bar (25) are fixedly installed on the both sides inner walls of the slide hole (24) respectively, and the slide bar (25) is movably sleeved with a spring. One end of the spring is fixedly installed on the side of the limiting post (23) away from the oval hole (17), and the other end of the spring is fixedly installed on the side inner wall of the limiting groove (21) away from the oval hole (17). 4. A high-precision nail cartridge injection mold according to claim 1, characterized in that, both sides of the L-shaped rod (11) are provided with turning grooves (22), and two limit posts (23) The ends close to each other are respectively rotatably installed in the two rotatable grooves (22). 5. A high-precision nail cartridge injection mold according to claim 1, characterized in that, the inner wall of the oval hole (17) is annularly provided with a card slot (19), and one end of the rotating column (16) is fixedly installed There is a block (20) positioned in the oval hole (17), both sides of the block (20) extend into the slot (19), and the other end of the rotating column (16) is fixedly equipped with a knob (18). 6. A high-precision nail cartridge injection mold according to claim 1, characterized in that a moving groove ( 9), the moving blocks (8) are movably installed in the two moving grooves (9), and the sides of the two moving blocks (8) that are close to each other are fixedly installed on the two sides of the movable mold base plate (6) respectively.