CN214720454U

CN214720454U - Die casting die for automobile transmission shell

Info

Publication number: CN214720454U
Application number: CN202022885558.6U
Authority: CN
Inventors: 洪政平
Original assignee: Tianjin Alcatel Precision Mould Manufacturing Co ltd
Current assignee: Tianjin Alcatel Precision Mould Manufacturing Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-16
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a die casting die for motor transmission shell belongs to the automotive equipment field, which comprises a platform, platform downside four corners fixed mounting has the end brace, platform center upper end outer wall fixed mounting has the die block, inside and the inside opening in platform center of die block center lower extreme are equipped with slot A, slot A left and right sides platform downside outer wall fixed mounting has the curb plate, platform left side curb plate lower extreme outer wall fixed mounting has the motor, the motor upper end runs through the curb plate and changes and be equipped with the screw rod, the screw rod outer wall rotates and has cup jointed the swivel nut, both sides fixed mounting has the spacing ring about the swivel nut outer wall, the swivel nut outer wall activity has cup jointed the movable sleeve in the middle part of the spacing ring, the inside fixed mounting of platform right side curb plate has the slide bar, the sliding sleeve has been cup jointed in the slide bar outer wall activity. Through setting up rotating-structure and embedded fixed knot structure, the practicality of die casting die has been improved.

Description

Die casting die for automobile transmission shell

Technical Field

The utility model relates to a melt and spout cloth production facility technical field, especially relate to a die casting die for motor transmission shell.

Background

A plurality of parts need to be processed in the production process of the automobile, wherein the outer shell of the gearbox needs to be processed and produced through a die-casting die.

Patent CN201420773316.X discloses an automobile manual transmission shell die-casting die, and this mould adopts traditional bilateral pouring to the gating system in the current automobile manual transmission shell die-casting die to shorten the time that the die cavity was filled to aluminium liquid. However, as a manual gear shifting mechanism with a complicated structure needs to be arranged inside the shell of the manual transmission of the automobile, the shell is provided with a deep cavity with a deep depth to form a sufficient accommodating space; when the shell of the deep cavity structure is subjected to bilateral pouring, the deep cavity part becomes a zero final flowing area of molten metal, impurities in a melt are gathered and concentrated on the wall of the deep cavity, so that a cold shut is easily formed, the quality and the service life of final parts are influenced, the forming structure strength and the appearance quality of the deep cavity position are ensured by reducing the generation of air holes and surface defects, and the overall quality of a manual transmission shell die-casting product is improved.

The mould has the following defects: 1. above-mentioned mould is not convenient for demold the product after the die-casting from the mould, and the process of taking out the product is very loaded down with trivial details, and owing to do not possess heating mechanism at the in-process of die-casting, makes the plasticity effect of the raw and other materials of die-casting product reduce, is difficult to the direct forming, makes raw and other materials damage simultaneously and breaks easily, has reduced the practicality of mould. 2. Above-mentioned die casting die can the splash material disintegrating slag at the in-process of punching press die-casting, and the protective effect around the above-mentioned mould is not obvious, causes staff's injury easily, has reduced the practicality of mould.

SUMMERY OF THE UTILITY MODEL

The utility model provides a die casting die for automobile transmission shell, aim at adopting rotating-structure and heating mechanism, when using the mould to add man-hour, place raw and other materials at the die block upside, make it slide extrusion spring downwards at glossy pole setting outer wall through external pressure equipment extrusion roof downwards, simultaneously through the control equipment control heating iron wire ohmic heating, heat is passed downwards and is distributed from the half-slot of downside evenly mounted, make raw and other materials be heated when being die-cast downwards and improve the plasticity effect, thereby make raw and other materials more easily mould in the die block, after die-casting is accomplished, loosen the pressure of external equipment, the spring pushes away the roof upwards, make the top mould upwards move from the die block, control motor drives the screw rod and rotates, it has the screw thread intermeshing to cut through the outer wall and the swivel nut inner wall, make the swivel nut upwards move and drive the movable sleeve upwards to move, the movable sleeve moves upwards to drive the transverse plate to move upwards in the limiting groove, and meanwhile, the sliding sleeve on the right side is driven to slide upwards on the outer wall of the sliding rod, so that the supporting plate moves upwards in the slot A to eject a formed product in the bottom die, and the practicability of the die is improved.

Through embedded fixed knot structure, before needs use the mould, manual inwards rotate the baffle and make it parallel with the fixed plate, make slot B and slot C align simultaneously, will with it matched with bolt inject slot B and slot C in, fix the baffle to blockked the inside disintegrating slag that splashes, improved the security.

The utility model provides a specific technical scheme as follows:

the utility model provides a die casting die for automobile transmission case, which comprises a platform, bottom supports are fixedly arranged at four corners of the lower side of the platform, a bottom die is fixedly arranged on the outer wall of the upper end of the platform center, a slot A is arranged in the lower end of the bottom die center and in the platform center, side plates are fixedly arranged on the outer walls of the lower sides of the platforms at the left side and the right side of the slot A, a motor is fixedly arranged on the outer wall of the lower end of the side plate at the left side of the platform, a screw rod is arranged on the upper end of the motor in a penetrating way through the side plates, a screw sleeve is sleeved on the outer wall of the screw rod in a rotating way, limiting rings are fixedly arranged on the upper side and the lower side of the outer wall of the screw sleeve, a movable sleeve is sleeved on the outer wall of the screw sleeve in the middle of the limiting rings, a slide rod is fixedly arranged in the inner part of the side plate, a slide rod and a transverse plate are fixedly arranged on the inner ends of the limiting grooves of the slide rod and the movable sleeve, the improved structure of the steel plate is characterized in that a supporting plate is inserted into a slot A in the upper end of the transverse plate, vertical rods are fixedly mounted at four corners of the outer wall of the upper side of the platform, a top plate is movably sleeved on the outer wall of the vertical rods, a spring is fixedly sleeved on the outer wall of the vertical rods at the lower end of the center of the top plate, a top die is fixedly mounted inside the top die, a heating iron wire is fixedly mounted inside the top die, a semi-open groove is formed in the inner portion of the lower end of the top die, a fixing plate is fixedly mounted on the outer wall of the upper end of the edge of the four sides of the platform, a slot B is formed in the inner portion of the fixing plate, a shaft rod is movably mounted on the outer wall of the upper end of the platform outside the fixing plate, a baffle is mounted on the upper end of the shaft rod, a slot C is formed in the inner portion of the lower end of the baffle, and the inner insertion of the slot B and the slot C is provided with a bolt.

Optionally, the outer wall of the screw rod is provided with threads, and the inner wall of the screw sleeve is provided with threads, which are meshed with each other to form a rotating structure.

Optionally, the size of the supporting plate is matched with the size of the slot a to form an embedded fixing structure.

Optionally, four groups of the half slots are fixedly arranged and uniformly distributed.

Optionally, the size of the plug is matched with the size of the slot B and the slot C to form an embedded fixing structure.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a die casting die for motor transmission shell, through rotating-structure and heating mechanism, when using the mould to add man-hour, place raw and other materials at the die block upside, through external pressure equipment extrusion roof make it at glossy pole setting outer wall lapse extrusion spring downwards, simultaneously through controlgear control heating iron wire ohmic heating, the heat is passed downwards and is distributed from the half-slot of downside evenly mounted, make raw and other materials be heated when being die-cast downwards and improve the plasticity effect, thereby make raw and other materials more easily the shaping in the die block, after die-casting is accomplished, loosen the pressure of external equipment, the spring pushes away the roof upwards, make the top mould upwards move from the die block, the control motor drives the screw rod and rotates, it has the screw thread intermeshing to cut through the outer wall and the swivel nut inner wall, make the swivel nut upwards move and drive the movable sleeve upwards to move, the movable sleeve moves upwards to drive the transverse plate to move upwards in the limiting groove, and meanwhile, the sliding sleeve on the right side is driven to slide upwards on the outer wall of the sliding rod, so that the supporting plate moves upwards in the slot A to eject a formed product in the bottom die, and the practicability of the die is improved.

2. Through embedded fixed knot structure, before needs use the mould, manual inwards rotate the baffle and make it parallel with the fixed plate, make slot B and slot C align simultaneously, will with it matched with bolt inject slot B and slot C in, fix the baffle to blockked the inside disintegrating slag that splashes, improved the security.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front sectional view of a die-casting mold for an automobile transmission housing according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partially enlarged structure a in fig. 1 of a die-casting mold for an automobile transmission case according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a local enlarged structure B in fig. 1 of a die casting die for an automobile transmission housing according to an embodiment of the present invention.

In the figure: 1. a platform; 2. bottom bracing; 3. a side plate; 4. a motor; 5. a screw; 6. a threaded sleeve; 7. a limiting ring; 8. a movable sleeve; 9. a slide bar; 10. a sliding sleeve; 11. a limiting groove; 12. a transverse plate; 13. a slot A; 14. a resisting plate; 15. bottom die; 16. erecting a rod; 17. a top plate; 18. a spring; 19. carrying out top die; 20. heating the iron wire; 21. semi-slotting; 22. a fixing plate; 23. a slot B; 24. a shaft lever; 25. a baffle plate; 26. a slot C; 27. and (4) a bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A die casting mold for a transmission housing of an automobile according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a die casting mold for a vehicle transmission housing, which includes a platform 1, bottom supports 2 fixedly mounted at four corners of a lower side of the platform 1, a bottom mold 15 fixedly mounted on an outer wall of an upper center of the platform 1, a slot a13 opened inside a lower center of the bottom mold 15 and inside a center of the platform 1, side plates 3 fixedly mounted on outer walls of lower sides of the platform 1 on left and right sides of a slot a13, a motor 4 fixedly mounted on an outer wall of a lower end of a left side plate 3 of the platform 1, a screw 5 rotatably mounted on an upper end of the motor 4 through the side plate 3, a screw 6 rotatably sleeved on an outer wall of the screw 5, a limit ring 7 fixedly mounted on an upper side and a lower side of an outer wall of the screw 6, a movable sleeve 8 movably sleeved on an outer wall of the screw 6 in a middle portion of the limit ring 7, a slide bar 9 fixedly mounted inside the right side plate 3 of the platform 1, a slide bar 9 movably sleeved on an outer wall of the slide sleeve 10, a limit groove 11 opened on an inner wall of the side plate 3,

slide bar

9 and 8 inner of movable sleeve run through spacing groove 11 fixed mounting have diaphragm 12, diaphragm 12 upper end runs through slot A13 and pegs graft and has withstand plate 14, platform 1 upside outer wall four corners fixed mounting has pole setting 16, pole setting 16 outer wall activity cup joints roof 17, roof 17 lower extreme pole setting 16 outer wall fixed cup joints spring 18, roof 19 center lower extreme outer wall fixed mounting has top mould 19, the inside fixed mounting of top mould 19 has heating iron wire 20, the inside division of top mould 19 lower extreme is equipped with half fluting 21, platform 1 four sides edge upper end outer wall fixed mounting has fixed plate 22, the inside division of fixed plate 22 is equipped with slot B23, fixed plate 22 outside platform 1 upper end outer wall movable mounting has axostylus axostyle 24, axostylus axostyle 24 upper end fixed mounting has baffle 25, the inside division of baffle 25 lower extreme is equipped with slot C26, the inside cartridge of slot B23 and slot C26 has bolt 27.

Referring to fig. 1, 2 and 3, the screw rod 5 has a cut thread on its outer wall to engage with a cut thread on the inner wall of the screw sleeve 6, so as to form a rotating structure, when a mold is used for processing, the raw material is placed on the upper side of the bottom mold 15, the top plate 17 is pressed downwards by an external pressure device to make it slide downwards on the outer wall of the smooth upright post 16 to press the spring 18, meanwhile, the control device controls the heating iron wire 20 to be electrically heated, the heat is transferred downwards and dissipated from the half-open groove 21 uniformly installed on the lower side, so that the raw material is heated while being die-cast downwards to improve the plasticity effect, so that the raw material is easier to be molded in the bottom mold 15, after the die-casting is completed, the pressure of the external device is released, the spring 18 pushes the top plate 17 upwards to make the top mold 19 move upwards from the bottom mold 15, the control motor 4 drives the screw rod 5 to rotate, and the screw sleeve 6 has a cut thread to engage with the cut thread on the inner wall by the cut thread on the outer wall, the screw sleeve 6 moves upwards to drive the movable sleeve 8 to move upwards, the movable sleeve 8 moves upwards to drive the transverse plate 12 to move upwards in the limiting groove 11, and meanwhile, the sliding sleeve 10 on the right side is driven to slide upwards on the outer wall of the sliding rod 9, so that the supporting plate 14 moves upwards in the slot A13 to eject a formed product in the bottom die 15, and the practicability of the die is improved.

Referring to fig. 1, 2 and 3, the size of the abutting plate 14 is matched with the size of the slot a13 to form an embedded fixing structure, when a mold is used for processing, raw materials are placed on the upper side of the bottom mold 15, the top plate 17 is pressed downwards by an external pressure device to make the top plate slide downwards on the outer wall of the smooth upright post 16 to press the spring 18, meanwhile, the control device controls the heating iron wire 20 to be electrified and heated, heat is transferred downwards and dissipated from the half-open groove 21 uniformly arranged on the lower side, the raw materials are heated while being die-cast downwards to improve the plasticity effect, so that the raw materials are easier to form in the bottom mold 15, after the die-casting is completed, the pressure of the external device is released, the spring 18 pushes the top plate 17 upwards to make the top mold 19 move upwards from the bottom mold 15, the control motor 4 drives the screw rod 5 to rotate, and the screw thread is cut on the outer wall to be meshed with the thread cut on the inner wall of the screw sleeve 6, the screw sleeve 6 moves upwards to drive the movable sleeve 8 to move upwards, the movable sleeve 8 moves upwards to drive the transverse plate 12 to move upwards in the limiting groove 11, and meanwhile, the sliding sleeve 10 on the right side is driven to slide upwards on the outer wall of the sliding rod 9, so that the supporting plate 14 moves upwards in the slot A13 to eject a formed product in the bottom die 15, and the practicability of the die is improved.

Referring to fig. 1, 2 and 3, four groups of half slots 21 are fixedly installed and uniformly distributed, when a mold is used for processing, raw materials are placed on the upper side of a bottom mold 15, a top plate 17 is downwards extruded by external pressure equipment to enable the top plate to downwards slide on the outer wall of a smooth upright rod 16 to extrude a spring 18, meanwhile, a control device controls a heating iron wire 20 to be electrified and heated, heat is downwards transmitted and dissipated from the half slots 21 uniformly installed on the lower side, the raw materials are heated while being subjected to downward die casting to improve the plasticity effect, so that the raw materials are easier to form in the bottom mold 15, after the die casting is completed, the pressure of the external equipment is released, the spring 18 upwards pushes the top plate 17 away, the top mold 19 upwards moves from the bottom mold 15, the motor 4 is controlled to drive a screw rod 5 to rotate, the screw threads cut on the outer wall are mutually meshed with the screw threads cut on the inner wall of a screw sleeve 6, the screw sleeve 6 upwards moves to drive a movable sleeve 8 to upwards move, the movable sleeve 8 moves upwards to drive the transverse plate 12 to move upwards in the limiting groove 11, and simultaneously drives the sliding sleeve 10 on the right side to slide upwards on the outer wall of the sliding rod 9, so that the abutting plate 14 moves upwards in the slot A13 to eject a molded product in the bottom die 15, and the practicability of the die is improved.

Referring to fig. 1, 2 and 3, the size of the latch 27 is matched with the size of the slot B23 and the slot C26 to form a built-in fixing structure, before the die is used, the baffle 25 is manually turned inwards to be parallel to the fixing plate 22, the slot B23 is aligned with the slot C26, the latch 27 matched with the latch is inserted into the slot B23 and the slot C26, and the baffle 25 is fixed, so that the splashed slag inside is blocked, and the safety is improved.

The motor 4 is a product in the prior art, the model of the motor 4 is HD2401-24, and the manufacturer is Anchuan, which is not described herein again.

The embodiment of the utility model provides a die casting die for motor transmission shell, when using the mould to add man-hour, place raw and other materials in the die block 15 upside, extrude roof 17 downwards through external pressure equipment and make it slide extrusion spring 18 downwards in smooth pole setting 16 outer wall, simultaneously through the control device control heating iron wire 20 circular telegram heating, the heat is passed downwards and is distributed from the half-slotted groove 21 of downside evenly mounted, make raw and other materials be heated when being die-cast downwards and improve the plasticity effect, thereby make raw and other materials more easily mould in die block 15, after die-casting is accomplished, loosen the pressure of external equipment, spring 18 pushes away roof 17 upwards, make top mould 19 upwards move from die block 15, control motor 4 drives screw rod 5 and rotates, it has screw thread intermeshing to cut through outer wall and swivel nut 6 inner wall, make swivel nut 6 upwards move and drive movable sleeve 8 upwards move, the movable sleeve 8 moves upwards to drive the transverse plate 12 to move upwards in the limiting groove 11, meanwhile, the sliding sleeve 10 on the right side is driven to slide upwards on the outer wall of the sliding rod 9, the abutting plate 14 moves upwards in the slot A13 to eject a formed product in the bottom die 15, before a die needs to be used, the baffle 25 is manually rotated inwards to be parallel to the fixing plate 22, meanwhile, the slot B23 is aligned with the slot C26, the bolt 27 matched with the bolt is inserted into the slot B23 and the slot C26, the baffle 25 is fixed, and accordingly, splashed slag inside the die is blocked.

It should be noted that, the utility model relates to a die casting die for motor transmission shell, including motor 4, the part is the part that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The die-casting die for the shell of the automobile gearbox is characterized by comprising a platform (1), bottom supports (2) are fixedly mounted at four corners of the lower side of the platform (1), a bottom die (15) is fixedly mounted on the outer wall of the upper center end of the platform (1), slots A (13) are formed in the lower center end of the bottom die (15) and the center of the platform (1), side plates (3) are fixedly mounted on the outer walls of the lower sides of the platforms (1) on the left and right sides of the slots A (13), a motor (4) is fixedly mounted on the outer wall of the lower end of the side plate (3) on the left side of the platform (1), a screw rod (5) is rotatably mounted on the upper end of the motor (4) through the side plates (3), a threaded sleeve (6) is rotatably sleeved on the outer wall of the screw rod (5), limiting rings (7) are fixedly mounted on the upper and lower sides of the outer wall of the threaded sleeve (6), a movable sleeve (8) is movably sleeved on the middle part of the limiting ring (7), the platform is characterized in that a sliding rod (9) is fixedly mounted inside a right side plate (3) of the platform (1), a sliding sleeve (10) is movably sleeved on the outer wall of the sliding rod (9), a limiting groove (11) is formed in the inner side wall of the side plate (3), transverse plates (12) are fixedly mounted at the inner ends of the sliding rod (9) and the movable sleeve (8) in a penetrating mode and penetrate through the limiting groove (11), a butting plate (14) is spliced on the upper ends of the transverse plates (12) in a penetrating mode A (13), vertical rods (16) are fixedly mounted at four corners of the outer wall of the upper side of the platform (1), a top plate (17) is movably sleeved on the outer wall of the vertical rods (16), a spring (18) is fixedly connected on the outer wall of the vertical rod (16) at the lower end of the top plate (17), a top die (19) is fixedly mounted on the outer wall of the center lower end of the top die (17), a heating iron wire (20) is fixedly mounted inside the top die (19), a semi-open groove (21) is formed inside the lower end of the top die (19), platform (1) four sides edge upper end outer wall fixed mounting has fixed plate (22), fixed plate (22) inside division is equipped with slot B (23), fixed plate (22) outside platform (1) upper end outer wall movable mounting has axostylus axostyle (24), axostylus axostyle (24) upper end fixed mounting has baffle (25), inside division of baffle (25) lower extreme is equipped with slot C (26), slot B (23) and the inside cartridge of slot C (26) are equipped with bolt (27).

2. The die-casting die for the automobile gearbox shell as recited in claim 1, wherein the outer wall of the screw rod (5) is cut with threads, and the inner wall of the screw sleeve (6) is cut with threads, so that a rotating structure is formed.

3. The die-casting die for the automobile gearbox shell as recited in claim 1, wherein the size of the abutting plate (14) is matched with that of the slot A (13) to form an embedded fixing structure.

4. The die-casting die for the automobile gearbox shell as claimed in claim 1, wherein the semi-open grooves (21) are fixedly arranged in four groups and are uniformly distributed.

5. The die-casting mold for the automobile transmission case as claimed in claim 1, wherein the size of the plug (27) is matched with the size of the slot B (23) and the slot C (26) to form an embedded fixing structure.