CN221559794U - Screw tooth demoulding mould - Google Patents

Abstract

The utility model provides a screw tooth demolding mold, which comprises an upper mold and a lower mold which are matched, wherein two sides of the bottom end of the lower mold are fixedly connected with supporting seats, the surface of one side of the supporting seat is fixedly connected with a cooling liquid heat conduction structure, the surfaces of the upper mold and the lower mold are respectively provided with an upper molding cavity and a lower molding cavity structure, two sides of the upper molding cavity are fixedly connected with positioning bulges, and two sides of the bottom surface of the upper mold are fixedly connected with buffer seats. The heat conducting layer is used for achieving the effect of heat conduction concentration on heat generated in the machining process of the lower molding cavity, the cooling cavity which surrounds the lower molding cavity in an annular mode is used for achieving the effect of cooling the heat concentrated on the heat conducting layer, the circulating box is used for achieving the effect of concentrating cooling liquid, and the fins which are arranged on the surface in a protruding mode are matched with the heat conducting partition plate, so that the effect of guiding out and cooling the heat in the circulating cooling liquid is achieved.

Description

Screw tooth demoulding mould

Technical Field

The utility model relates to the field of screw thread machining, in particular to a screw thread demoulding die.

Background

At present, china becomes the country with the largest net output of moulds in the world, and in production, all processing enterprises generally use the moulds for production, so that the production efficiency is high, the operation is convenient, the moulds are one of important means for improving the product quality and the market competitiveness, and the moulds are more and more paid attention to all industries and all industrial departments, so that the consumption of materials can be reduced, and the production efficiency of the products can be improved.

When the screw thread is processed, molded and demolded, the existing demolding mold is matched with an ejection structure and a rotary demolding mechanism to take out the molded screw thread, as in the China utility model with the application number 201920765367.0, a precise outer screw thread mold is provided, and when the device is used, the injection hole is used for injecting a proper amount of molten iron into the thread groove, under the action of the thread groove, after a period of time, the molten iron is formed into the outer screw teeth, and then the formed outer screw teeth are ejected out through the ejector rod and the clamping block, so that the manual demolding process is saved, the production efficiency is improved, the qualification rate is high, and meanwhile, the die is not easy to damage.

However, the above-mentioned device has problems in that: the screw thread is the protrusion or recess that is used for mechanical connection that has the spiral form, it can be internal screw thread (internal screw thread) or external screw thread (external screw thread), owing to the surface has the screw thread, consequently, the mold cavity that corresponds also sets up for the screw thread, this just leads to when shaping processing, its shaping temperature mainly gathers in the screw thread position on surface, and the shaping temperature just influences the drawing of patterns operation of follow-up screw thread and mould, this just needs to carry out the cooling treatment, on the one hand can make the screw thread quick shaping, on the one hand can reduce its and the temperature of cavity guarantee follow-up stable drawing of patterns, and above-mentioned device can not fine satisfy this demand.

Therefore, the utility model provides a screw demoulding mould.

Disclosure of utility model

The utility model aims to solve the technical problems of the background technology, and provides a screw demoulding mould which can rapidly cool screws in the process of processing and forming, ensure the forming and reduce the forming temperature of the screws, and can recycle cooling liquid through heat conduction and cooling.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw thread drawing of patterns mould, is including supporting last mould and the lower mould that sets up, the bottom both sides fixedly connected with supporting seat of lower mould, and the fixed surface of one side supporting seat is connected with coolant liquid heat conduction structure, goes up the mould and all has seted up shaping chamber and lower shaping chamber structure with the surface of lower mould, goes up the both sides fixedly connected with location arch of shaping chamber, goes up the bottom surface both sides fixedly connected with buffer seat of mould.

Further preferred embodiments are as follows: the lower forming cavity structure comprises a lower forming cavity and a cooling cavity which is arranged on the outer side of the lower forming cavity in a matching way, a clamping cavity is arranged between the cooling cavity and the lower forming cavity, and a heat conducting layer is arranged in the clamping cavity.

Further preferred embodiments are as follows: the top of the cooling cavity is arranged in an annular concave manner corresponding to the positioning protrusion.

Further preferred embodiments are as follows: the heat conduction layer is the surrounding setting along pressing from both sides the chamber, and the heat conduction layer sets up to the copper heat conduction layer, and the cooling chamber is the annular and surrounds down the shaping chamber setting, and the side section of cooling chamber is trapezoidal setting.

Further preferred embodiments are as follows: the cooling liquid heat conduction structure comprises a circulation box and a built-in heat conduction baffle plate, and fins are longitudinally and outwards connected with the surface of the heat conduction baffle plate in a protruding mode.

Further preferred embodiments are as follows: the heat conduction baffle sets up to honeycomb heat conduction board, is vertical "S" form circulation setting in the circulation case, and the fin is the outwards outstanding setting of "Z" form along heat conduction baffle' S surface one side, and the fin outer end runs through the circulation case setting simultaneously.

Further preferred embodiments are as follows: the fin passes through sealed glue sealing connection with circulation case hookup location, and the liquid outlet has been seted up simultaneously to circulation case's bottom, and this liquid outlet passes through the pipeline of communicating and pump body mechanism and external coolant liquid recovery plant to be connected.

The beneficial effects are that:

1. The top part and the bottom part of one side of the cooling cavity are respectively provided with a liquid inlet and a liquid outlet, the liquid inlet is connected with external cooling liquid supply equipment, and the liquid outlet is communicated and connected with the pump body mechanism and the cooling liquid heat conduction structure through a communication pipeline;

2. the cooling cavity is used for achieving the effect of inputting and outputting cold liquid.

3. The heat conducting layer achieves the effect of conducting heat and concentrating heat generated in the machining process of the lower molding cavity, and the cooling cavity which is annularly arranged around the lower molding cavity achieves the effect of cooling the heat concentrated by the heat conducting layer.

4. The effect of concentrated cooling liquid is achieved through the circulation box, and the effect of leading out cooling of heat in the circulating cooling liquid is achieved through the fins protruding from the matching surface of the heat conducting partition plate.

Drawings

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a front view of the lower mold cavity structure connection of the present utility model;

fig. 3 is a schematic diagram of the connection of the cooling liquid heat conduction structure of the utility model.

In fig. 1-3: 1. an upper die; 2. a lower die; 3. a support base; 4. a buffer seat; 5. an upper molding cavity; 6. positioning the bulge; 7. a lower molding cavity structure; 8. a circulation box; 9. a lower molding cavity; 10. a cooling chamber; 11. clamping a cavity; 12. a heat conducting layer; 13. a coolant heat conducting structure; 14. a thermally conductive separator plate; 15. and (3) a fin.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present utility model.

Referring to fig. 1-3, in the embodiment of the utility model, a screw demolding mold comprises an upper mold 1 and a lower mold 2 which are arranged in a matching way, wherein two sides of the bottom end of the lower mold 2 are fixedly connected with a supporting seat 3, the surface of one side of the supporting seat 3 is fixedly connected with a cooling liquid heat conducting structure 13, the surfaces of the upper mold 1 and the lower mold 2 are provided with an upper molding cavity 5 and a lower molding cavity structure 7, two sides of the upper molding cavity 5 are fixedly connected with positioning bulges 6, two sides of the bottom surface of the upper mold 1 are fixedly connected with buffer seats 4, the cooling liquid after circulation in a cooling cavity 10 in the lower molding cavity structure 7 is conveyed into a circulation box 8, heat contained in the cooling liquid is conducted and cooled through a heat conducting partition 14 and a fin 15 in the cooling liquid heat conducting structure 13, the cooled cooling liquid is recycled through external recovery equipment, and the whole cooling circulation process can effectively conduct heat in a molding cavity outwards to perform cooling treatment, so that the subsequent demolding stability and rapid molding of screws are ensured.

In the embodiment of the utility model, the lower forming cavity structure 7 comprises a lower forming cavity 9 and a cooling cavity 10 which is arranged on the outer side of the lower forming cavity in a matching way, a clamping cavity 11 is additionally arranged between the cooling cavity 10 and the lower forming cavity 9, a heat conducting layer 12 is arranged in the clamping cavity 11, the top of the cooling cavity 10 is arranged in an annular concave manner corresponding to the positioning bulge 6, a liquid inlet and a liquid outlet are respectively arranged at the top and the bottom of one side of the cooling cavity 10, the liquid inlet is connected with external cooling liquid supply equipment, the liquid outlet is connected with a cooling liquid heat conducting structure 13 through a communication pipeline and a pump body mechanism, and the effect of inputting and outputting cold liquid is achieved through the cooling cavity 10.

The heat conduction layer 12 is the surrounding setting along pressing from both sides chamber 11, and the heat conduction layer 12 sets up to copper heat conduction layer 12, and the cooling chamber 10 is annular surrounding lower shaping chamber 9 setting, and the side section of cooling chamber 10 is trapezoidal setting, reaches the effect that heat conduction to the heat that lower shaping chamber 9 produced in the course of working concentrated through heat conduction layer 12, reaches the effect that carries out the cooling to the heat that heat conduction layer 12 concentrated through being annular surrounding setting to lower shaping chamber 9 cooling chamber 10.

During processing and forming, heat generated in the lower forming cavity 9 is concentrated through the heat conducting layer 12, meanwhile, external cooling liquid is input into the cooling cavity 10, the heat concentrated by the heat conducting layer 12 is cooled by contacting with the heat conducting layer 12, and then the cooling liquid is conveyed into the cooling liquid heat conducting structure 13 through a liquid outlet at the bottom of the cooling cavity 10.

The cooling liquid heat conduction structure 13 is including circulation box 8 and its built-in heat conduction baffle 14, the surface of heat conduction baffle 14 is vertically outwards protruding to be connected with fin 15, heat conduction baffle 14 sets up to honeycomb heat conduction board, be vertical "S" form circulation setting in circulation box 8, fin 15 is the outwards protruding setting of "Z" form along heat conduction baffle 14' S surface one side, the fin 15 outer end runs through circulation box 8 setting simultaneously, fin 15 and circulation box 8 hookup location pass through sealed glue sealing connection, the liquid outlet has been seted up simultaneously to the bottom of circulation box 8, this liquid outlet passes through the communicating tube and pump body mechanism and external cooling liquid recovery plant connection, reach the effect of concentrated cooling liquid through circulation box 8, reach the effect of deriving the cooling to the heat in the cooling liquid through circulation through the fin 15 that heat conduction baffle 14 cooperation surface is protruding to set up.

Claims (7)

1. The utility model provides a screw thread drawing of patterns mould, is including supporting last mould (1) and lower mould (2) that set up, its characterized in that: the bottom both sides fixedly connected with supporting seat (3) of lower mould (2), the fixed surface of one side supporting seat (3) is connected with coolant liquid heat conduction structure (13), goes up shaping chamber (5) and lower shaping chamber structure (7) have all been seted up on the surface of mould (1) and lower mould (2), goes up the both sides fixedly connected with location arch (6) of shaping chamber (5), goes up the bottom surface both sides fixedly connected with buffer seat (4) of mould (1).

2. A screw stripping die according to claim 1, characterized in that: the lower molding cavity structure (7) comprises a lower molding cavity (9) and a cooling cavity (10) which is arranged on the outer side of the lower molding cavity in a matching way, a clamping cavity (11) is additionally arranged between the cooling cavity (10) and the lower molding cavity (9), and a heat conducting layer (12) is arranged in the clamping cavity (11).

3. A screw stripping die according to claim 2, characterized in that: the top of the cooling cavity (10) is arranged in an annular concave manner corresponding to the positioning protrusion (6).

4. A screw stripping die according to claim 2, characterized in that: the heat conduction layer (12) is arranged in a surrounding mode along the clamping cavity (11), the heat conduction layer (12) is arranged to be a copper heat conduction layer (12), the cooling cavity (10) is arranged in a mode of encircling the lower forming cavity (9) in an annular mode, and the side section of the cooling cavity (10) is arranged in a trapezoid mode.

5. A screw stripping die according to claim 1, characterized in that: the cooling liquid heat conduction structure (13) comprises a circulation box (8) and a built-in heat conduction partition plate (14), and fins (15) are longitudinally and outwards connected to the surface of the heat conduction partition plate (14) in a protruding mode.

6. A screw stripping die according to claim 5, characterized in that: the heat conducting partition plate (14) is arranged to be a honeycomb heat conducting plate, the heat conducting plate is vertically S-shaped and circularly arranged in the circulation box (8), the fins (15) are outwards arranged in a protruding mode in a Z shape along one side of the surface of the heat conducting partition plate (14), and meanwhile the outer ends of the fins (15) penetrate through the circulation box (8).

7. The screw stripping die as claimed in claim 6, wherein: the fin (15) is connected with the circulating box (8) in a sealing mode through sealing glue, a liquid outlet is formed in the bottom end of the circulating box (8) at the same time, and the liquid outlet is connected with external cooling liquid recovery equipment through a communication pipeline and a pump body mechanism.