MIM mold for medical anastomat

Abstract

The utility model relates to the technical field of dies, in particular to an MIM die for a medical anastomat, which comprises two die holders, connecting pieces are arranged at two ends of each die holder, each fixing mechanism comprises a fixing screw and a nut, and each limiting mechanism comprises a first limiting plate, a second limiting plate and a moving groove. The two ends of a connecting piece slide outside the two fixing screws correspondingly, the connecting piece is pushed to be attached to the surface of the die holder, at the moment, nuts are in threaded connection with the fixing screws till the nuts are attached to the surface of the connecting piece, a first limiting plate and a second limiting plate are used for connecting limiting grooves, and at the moment, the nuts are limited and cannot rotate; the contact surface of the connecting piece and the die holder adopts a split design, and when the contact surface is damaged due to abrasion or corrosion, only the connecting piece needs to be replaced, and the die main body does not need to be maintained, so that the adverse effect on the precision of the die is avoided, and the quality of a produced product is further guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, especially a kind of MIM mould for medical anastomat. BACKGROUND

[0002] MIM mould for medical anastomat is the precision mould for manufacturing medical anastomat parts, various complex shape metal parts in anastomat are produced using metal powder injection molding technology, with the following structure;

[0003] 1, upper mould, as the upper half of mould, usually with the movable die plate of injection molding machine is connected, responsible for providing upper molding cavity and pressure in the molding process;

[0004] 2, lower mould, as lower mould is the lower half of mould, usually with the fixed die plate of injection molding machine is connected, responsible for providing lower molding cavity and support;

[0005] 3, mould base, as the basic structure of supporting upper mould and lower mould, usually with the die plate of injection molding machine is connected, for fixing and positioning mould.

[0006] In MIM manufacturing process, the installation and fixing of mould are crucial, when positioning and installing mould using pressure block bolt on injection molding machine, in long-term use process, contact structure surface is vulnerable to wear, corrosion and other damages, since it is integrated structure with mould body, when contact structure surface is damaged, it needs to be repaired, in repair process, it is easy to affect other parts of mould, thereby affecting the precision of mould, further affecting the quality of product produced. UTILITY MODEL CONTENT

[0007] In view of the deficiencies of prior art, the utility model provides a kind of MIM mould for medical anastomat, solve in long-term use process, contact structure surface is vulnerable to wear, corrosion and other damages, since it is integrated structure with mould body, when contact structure surface is damaged, it needs to be repaired, in repair process, it is easy to affect other parts of mould, thereby affecting the precision of mould, further affecting the quality of product produced.

[0008] To achieve the above object, the utility model is realized by the following technical solutions:

[0009] The utility model provides a kind of MIM mould for medical anastomat, including two mould bases, connecting piece is arranged at both ends of each mould base, one side of each mould base corresponding each connecting piece is provided with fixed mechanism for connecting piece installation, each fixed mechanism includes fixed screw and nut, fixed screw has two, two fixed screws are arranged outside mould base, connecting piece is slidably connected outside two fixed screws, nut has two, two nuts are respectively threadedly connected outside two fixed screws, the outside of each connecting piece is provided with limiting mechanism for limiting the rotation of nut, each limiting mechanism includes limit plate one, limit plate two and moving groove, limit plate one and limit plate two are arranged between two nuts, moving groove is opened in the side of limit plate one close to limit plate two, limit plate two is slidably connected inside moving groove close to one end of limit plate one, the outside of each nut is provided with limiting groove, limit plate one and limit plate two are respectively clamped in the inside of two limiting grooves.

[0010] Preferably: the side of each mould base corresponding fixed screw is provided with T-shaped groove, and the end of the fixed screw is slidably connected in the inside of the T-shaped groove, so as to facilitate replacement of the fixed screw.

[0011] Preferably: the inside of each moving groove is fixedly connected with a spring, the spring is fixedly connected to the end of the limit plate two, the outside of each limit plate two is fixedly provided with a handle, the end of each limit plate one and limit plate two is provided with a recess, and the inside of each recess is fixedly connected with a spring piece, so as to improve the stability of the limiting mechanism.

[0012] Preferably: the outside of each limit plate one is fixedly connected with an anti-lost rope, and the outside of each connecting piece is fixedly provided with a fixing frame.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] I. The two ends of the connecting piece are slidably arranged outside the two fixed screws, the connecting piece is pushed to make the connecting piece fit the surface of the mould base, at this time, the nut is threadedly connected with the fixed screw until the nut fits the surface of the connecting piece, at this time, the limit plate one and the limit plate two are connected to the limiting groove, at this time, the nut is limited and cannot rotate, the contact surface of the connecting piece and the mould base adopts a split design, when the contact surface is damaged due to wear or corrosion, only the connecting piece needs to be replaced, without the need for maintenance of the mould body, so as to avoid the adverse effects on the precision of the mould, and further to ensure the quality of the products produced.

[0015] II. The fixing frame is used for fixing the anti-lost rope, to prevent the limit plate one and the limit plate two from falling into the equipment for installing the mould when they are detached, so as to ensure the safety of the equipment and reduce the probability of damage to the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail below with the accompanying drawings.

[0017] Figure 1 It is a perspective view of the utility model;

[0018] Figure 2 It is the utility model Figure 1 The structure diagram of connecting piece;

[0019] Figure 3 It is the utility model Figure 2 The explosion structure diagram of limit plate one;

[0020] Figure 4 It is the utility model Figure 3 The bottom view structure diagram of limit plate one;

[0021] Figure 5 It is the utility model Figure 4 The enlarged structure diagram of A place.

[0022] Legend: 1, die holder; 2, connecting piece; 3, fixed screw; 4, nut; 5, limit plate one; 6, limit plate two; 7, moving groove; 8, limit groove; 9, T-shaped groove; 10, spring; 11, handle; 12, recess; 13, elastic sheet; 14, anti-lost rope; 15, fixed frame. Specific implementation

[0023] The embodiment of the application provides a MIM die for medical anastomat, effectively solves the technical problem that the contact structure surface is easy to be damaged by abrasion, corrosion and the like in long-term use process, since it is an integral structure with the die main body, when the contact structure surface is damaged, it needs to be repaired, and in the repairing process, other parts of the die are easy to be affected, thereby affecting the precision of the die, and further affecting the product quality. Embodiment

[0024] As Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 Indicated, the technical scheme in the embodiment of the application effectively solves the technical problem that the contact structure surface is easy to be damaged by abrasion, corrosion and the like in long-term use process, since it is an integral structure with the die main body, when the contact structure surface is damaged, it needs to be repaired, and in the repairing process, other parts of the die are easy to be affected, thereby affecting the precision of the die, and further affecting the product quality, and the overall idea is as follows:

[0025] The utility model provides a kind of MIM mould for medical anastomat, including two die holders 1, both ends of each die holder 1 are provided with connecting piece 2, connecting piece 2 is the structure that mould is contacted with pressure block bolt when positioning installation on injection molding machine, one side of each die holder 1 corresponding each connecting piece 2 is provided with the fixed mechanism for connecting piece 2 installation, each fixed mechanism includes fixed screw rod 3 and nut 4, fixed screw rod 3 has two, two fixed screw rod 3 are arranged in the outside of die holder 1, connecting piece 2 is slidably connected in the outside of two fixed screw rod 3, nut 4 has two, two nuts 4 are respectively threadedly connected in the outside of two fixed screw rod 3.

[0026] One side of each die holder 1 corresponding fixed screw rod 3 is provided with T slot 9, and the end of fixed screw rod 3 is slidably connected in the inside of T slot 9.

[0027] The outside of each connecting piece 2 is provided with limiting mechanism for limiting the rotation of nut 4, each limiting mechanism includes limiting plate one 5, limiting plate two 6 and moving groove 7, limiting plate one 5 and limiting plate two 6 are arranged between two nuts 4, moving groove 7 is opened in one side of limiting plate one 5 close to limiting plate two 6, one end of limiting plate two 6 close to limiting plate one 5 is slidably connected in the inside of moving groove 7, the outside of each nut 4 is provided with limiting groove 8, limiting plate one 5 and limiting plate two 6 are respectively clamped in the inside of two limiting grooves 8.

[0028] Spring 10 is fixedly connected in the inside of each moving groove 7, and spring 10 is fixedly connected to the end of limiting plate two 6, handle 11 is fixedly installed on the outside of each limiting plate two 6, and handle 11 facilitates the movement of limiting plate two 6.

[0029] The end of each limiting plate one 5 and limiting plate two 6 is provided with groove 12, spring 13 is fixedly connected in the inside of each groove 12, one end of spring 13 is fixedly connected in the inside of groove 12, and the other end extends outward.

[0030] The outside of each limiting plate one 5 is fixedly connected with anti-lost rope 14, and the outside of each connecting piece 2 is fixedly installed with fixing frame 15.

[0031] Fixed screw rod 3 and nut 4: fixed screw rod 3 passes through T slot 9 of die holder 1, the connection between fixed screw rod 3 and T slot 9 facilitates the replacement of fixed screw rod 3, nut 4 is connected on screw rod through thread, for fastening connecting piece 2, and the detachable connection between nut 4 and fixed screw rod 3 facilitates the replacement of connecting piece 2;

[0032] Limiting plate one 5 and limiting plate two 6: limiting plate one 5 and limiting plate two 6 are connected through spring 10, can be clamped into limiting groove 8 of nut 4, to prevent nut 4 from loosening under vibration or pressure;

[0033] The elastic piece 13 in the groove 12 increases the friction between the limiting plate and the limiting groove 8, further preventing the nut 4 from loosening.

[0034] The fixing frame 15 and the anti-lost rope 14: the fixing frame 15 is used for fixing the anti-lost rope 14, preventing the limiting plate one 5 and the limiting plate two 6 from falling into the equipment where the mold is installed when the limiting plate one 5 and the limiting plate two 6 are separated, and the shaking limiting plate one 5 and the limiting plate two 6 can facilitate the staff to find.

[0035] Working principle:

[0036] Firstly, the end of the fixing screw 3 is inserted into the inside of the T-shaped groove 9, at this time, the two ends of the connecting piece 2 are respectively slid on the outside of the two fixing screws 3, the connecting piece 2 is pushed to make the connecting piece 2 adhere to the surface of the mold base 1, at this time, the nut 4 is threadedly connected with the fixing screw 3 until the nut 4 adheres to the surface of the connecting piece 2, at this time, the limiting plate one 5 is held and pushed upward, the limiting plate two 6 is used to compress the spring 10, at this time, the end of the limiting plate one 5 is inserted into the inside of the limiting groove 8, at this time, the limiting plate two 6 is loosened, under the action of the spring 10, the limiting plate two 6 moves downward into the inside of the corresponding limiting groove 8, at this time, the nut 4 is limited and cannot rotate;

[0037] Secondly, one end of the anti-lost rope 14 is tied to the outside of the fixing frame 15.

[0038] Finally, it should be pointed out that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or changes derived therefrom are still within the protection scope of the utility model.

Claims

1. A MIM die for medical stapler, comprising two die seats (1), characterized in that, Both ends of each said mold base (1) are provided with connecting pieces (2), one side of each mold base (1) corresponding to each connecting piece (2) is provided with a fixing mechanism for connecting piece (2) installation, each fixing mechanism comprises a fixed screw (3) and a nut (4), the fixed screw (3) has two, both fixed screw (3) are arranged outside the mold base (1), the connecting piece (2) is slidably connected outside the two fixed screw (3), the nut (4) has two, two nuts (4) are respectively threadedly connected outside the two fixed screw (3); Wherein, the outside of each connecting piece (2) is provided with a limiting mechanism for limiting the rotation of the nut (4), each limiting mechanism comprises a limiting plate one (5), a limiting plate two (6) and a moving groove (7), the limiting plate one (5) and the limiting plate two (6) are arranged between the two nuts (4), the moving groove (7) is opened in one side of the limiting plate one (5) close to the limiting plate two (6), the limiting plate two (6) is slidably connected in the inside of the moving groove (7) close to one end of the limiting plate one (5), the outside of each nut (4) is provided with a limiting groove (8), the limiting plate one (5) and the limiting plate two (6) are respectively clamped in the inside of the two limiting grooves (8).

2. The MIM mold for a medical stapler of claim 1, wherein, One side of each said mold base (1) corresponding to the fixed screw (3) is provided with a T-shaped groove (9); Wherein, the fixed screw (3) end is slidably connected in the inside of the T-shaped groove (9).

3. The MIM mold for a medical stapler of claim 1 wherein, The inside of each said moving groove (7) is fixedly connected with a spring (10); Wherein, the spring (10) is fixedly connected to the end of the limiting plate two (6).

4. The MIM mold for a medical stapler of claim 1 wherein, The outside of each said limiting plate two (6) is fixedly installed with a handle (11).

5. The MIM mold for a medical stapler of claim 1 wherein, The end of each said limiting plate one (5) and limiting plate two (6) is provided with a recess (12), the inside of each recess (12) is fixedly connected with a spring piece (13).

6. A MIM die for a medical stapler as defined in claim 1, wherein The outside of each said limiting plate one (5) is fixedly connected with an anti-lost rope (14); Wherein, the outside of each connecting piece (2) is fixedly installed with a fixed frame (15).

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