CN216656312U

CN216656312U - Automobile power transmission production mold

Info

Publication number: CN216656312U
Application number: CN202122805237.5U
Authority: CN
Inventors: 史智敏; 刘龙权
Original assignee: Shanghai Xusheng Power Technology Co ltd
Current assignee: Shanghai Xusheng Power Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-03
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a production die of an automobile power transmission box, which comprises an upper die body and a lower die body matched with the upper die body, wherein a fixed plate is fixedly connected on the side wall of the upper die body, one side of the fixed plate is provided with a driving mechanism, one side of the driving mechanism is provided with a clamping mechanism, a spline shaft is driven by an output shaft of a driving motor to rotate, an eccentric wheel is driven by the spline shaft to rotate, so that the convex part of the eccentric wheel extrudes a cam, the lower end of a rotating plate overcomes the elasticity of a spring and rotates inwards, a knocking ball at the lower side of the rotating plate vibrates a lower die body, the convex part of the eccentric wheel is far away from the cam along with the continuous rotation of the eccentric wheel, the knocking ball at the upper side of the rotating plate rebounds and vibrates and knocks the upper die body under the elasticity of the spring, the continuous knocking of the upper die body and the lower die body is realized through the continuous rotation of the eccentric wheel, the materials are uniformly mixed, and the die body is practical and reliable, the safety is good, and the damage to the die is reduced.

Description

Automobile power transmission production die

Technical Field

The utility model belongs to the technical field related to gearbox production, and particularly relates to a production die for an automobile power gearbox.

Background

In the gearbox casting process, because of its profile is complicated, when the liquid material of cast iron when the shaping in the bottom die cavity, because of the cloth is uneven, the easy material shortage or sand hole phenomenon that appears leads to final fashioned gearbox shell quality lower, and the later stage is restoreed the ageing longer, and production efficiency is lower.

To this end, application number CN202022003902.4 discloses a casting mold for a gearbox, which includes a top mold, wherein a bottom mold is arranged at the bottom of the top mold, the top mold and the bottom mold are fixedly connected through a butt-joint hole, a pouring hole for pouring molten metal into a mold cavity is arranged at one side of the top mold, rotary grooves are arranged at two sides of the bottom mold, and foot rollers capable of enabling the casting mold to obliquely fall to the ground and roll are arranged in the rotary grooves; the profile structure of vibration chamber with the shaping chamber profile structure of die block is unanimous, install the first vibration seat and the second vibration seat that make the die block annotate the material formation and form bottom vibration effect in the vibration intracavity.

The existing gearbox production mould technology has the following problems: above-mentioned scheme need lift the mould in the use, then is hammered upwards from the bottom by the staff and accomplishes the vibration effect, and this vibration mode makes the vibration effect of die body obvious down, and goes up the vibration effect of die body weak for the melt material of die cavity mixes the inconsistent, the condition of cavity or unnecessary bubble appears easily about going up.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a production die for an automobile power transmission, which aims to solve the problem of inconsistent material melting and mixing of an upper die cavity and a lower die cavity in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automobile power transmission produces mould, include the die body and with the lower die body of last die body compound die, fixedly connected with fixed plate on the lateral wall of last die body, one side of fixed plate is provided with actuating mechanism, actuating mechanism one side is provided with fixture, the last vibrating mechanism who is used for carrying out horizontal motion and melts material vibration mixing to last die body and lower die phantom intracavity under actuating mechanism orders about.

Preferably, actuating mechanism includes driving motor, driving motor fixes on one side inner wall of fixed plate, the first rim plate of fixedly connected with on driving motor's the output shaft, driving motor's output shaft fixedly connected with integral key shaft, the one end and the fixed plate of integral key shaft rotate to be connected, one side parallel arrangement of integral key shaft has the both ends of threaded rod to rotate with the fixed plate to be connected, fixedly connected with second rim plate on the threaded rod, first rim plate passes through the drive belt with the second rim plate and is connected.

Preferably, fixture includes U type support, U type support rotates with integral key shaft and threaded rod respectively to be connected, the inboard of U type support is provided with the eccentric wheel, eccentric wheel and integral key shaft sliding connection.

Preferably, the vibration mechanism comprises a rotating plate, a sleeve penetrates through the middle of the rotating plate, the sleeve is rotatably connected with the rotating plate, the sleeve is in threaded connection with a threaded rod, two ends of the sleeve are fixedly connected with the U-shaped support, the inner side faces of two ends of the rotating plate are fixedly connected with knocking balls, the outer side face of the bottom end of the rotating plate is fixedly connected with a cam, the inner side face of the rotating plate is fixedly connected with a spring, and one end of the spring abuts against the outer wall of the lower die body.

Preferably, the two hitting balls on the rotating plate are respectively positioned on the outer sides of the upper die body and the lower die body.

Preferably, the cam is vertically aligned with the position of the eccentric.

Preferably, the driving motor is a forward and reverse motor.

Compared with the prior art of the gearbox production mold, the utility model provides the automobile power gearbox production mold which has the following beneficial effects:

1. the utility model drives the spline shaft to rotate through the output shaft of the driving motor, drives the eccentric wheel to rotate by the spline shaft, and enables the convex part of the eccentric wheel to extrude the cam, so that the lower end of the rotating plate overcomes the elasticity of the spring and rotates inwards, and further enables the knocking ball at the lower side of the rotating plate to vibrate and knock the lower die body, the convex part of the eccentric wheel is far away from the cam along with the continuous rotation of the eccentric wheel, the rebounding vibration of the knocking ball at the upper side of the rotating plate is enabled to knock the upper die body under the elasticity of the spring, the continuous knocking of the upper die body and the lower die body is realized through the continuous rotation of the eccentric wheel, the melting materials are uniformly mixed, and the utility model is practical, reliable and good in safety, and reduces the damage to the die;

2. the utility model simultaneously drives the threaded rod to synchronously rotate through the transmission of the transmission belt, drives the rotating plate to horizontally move on the threaded rod along the length direction of the threaded rod through the threaded relation between the threaded rod and the sleeve and under the limit of the U-shaped bracket, the upper die body and the lower die body, simultaneously pushes the eccentric wheel to slide on the spline shaft through the U-shaped bracket, further continuously extrudes the cam in the movement process, realizes the reciprocating vibration of the upper die body and the lower die body through the positive and negative rotation of the driving motor, and leads the melting materials in the die cavities of the upper die body and the lower die body to be uniformly mixed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of a mold for manufacturing a power transmission of an automobile according to the present invention;

FIG. 2 is a schematic view of a driving mechanism according to the present invention;

FIG. 3 is a schematic structural diagram of a clamping mechanism and a vibrating mechanism according to the present invention;

fig. 4 is a schematic side view of the vibration mechanism according to the present invention.

In the figure: 1. feeding a mold body; 2. a lower die body; 3. a drive mechanism; 4. a clamping mechanism; 5. a fixing plate; 6. a vibration mechanism; 31. a drive motor; 32. a first wheel disc; 33. a spline shaft; 34. a second wheel disc; 35. a transmission belt; 36. a threaded rod; 41. a U-shaped bracket; 42. an eccentric wheel; 61. a rotating plate; 62. knocking and hitting the ball; 63. a cam; 64. a spring; 65. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a production mold of an automobile power transmission box comprises an upper mold body 1 and a lower mold body 2 matched with the upper mold body 1, a fixing plate 5 is fixedly connected to the side wall of the upper mold body 1, a driving mechanism 3 is arranged on one side of the fixing plate 5, the driving mechanism 3 comprises a driving motor 31, the driving motor 31 is a positive and negative motor, the driving motor 31 is fixed on the inner wall of one side of the fixing plate 5, a first wheel disc 32 is fixedly connected to the output shaft of the driving motor 31, a spline shaft 33 is fixedly connected to the output shaft of the driving motor 31, one end of the spline shaft 33 is rotatably connected with the fixing plate 5, two ends of a threaded rod 36 arranged in parallel on one side of the spline shaft 33 are rotatably connected with the fixing plate 5, a second wheel disc 34 is fixedly connected to the threaded rod 36, the first wheel disc 32 is in transmission connection with the second wheel disc 34 through a transmission belt 35, the driving motor 31 drives the output shaft to rotate, and the spline shaft 33 is further driven to rotate by the output shaft of the driving motor 31, the threaded rods 36 are driven by the drive belt 35 to rotate synchronously.

It should be noted that, a clamping mechanism 4 is arranged on one side of the driving mechanism 3, the clamping mechanism 4 includes a U-shaped bracket 41, the U-shaped bracket 41 is respectively rotatably connected with the spline shaft 33 and the threaded rod 36, an eccentric wheel 42 is arranged on the inner side of the U-shaped bracket 41, the eccentric wheel 42 is slidably connected with the spline shaft 33, the spline shaft 33 drives the eccentric wheel 42 to rotate when rotating, and a linear bearing is arranged on the U-shaped bracket 41, so that the U-shaped bracket 41 can push the eccentric wheel 42 to slide left and right on the spline shaft 33.

It is worth noting that the clamping mechanism 4 is provided with a vibrating mechanism 6 which is driven by the driving mechanism 3 to move horizontally and uniformly vibrate and mix the melting materials in the die cavities of the upper die body 1 and the lower die body 2, the vibrating mechanism 6 comprises a rotating plate 61, a sleeve 65 penetrates through the middle of the rotating plate 61, the sleeve 65 is rotatably connected with the rotating plate 61, the sleeve 65 is in threaded connection with a threaded rod 36, two ends of the sleeve 65 are fixedly connected with a U-shaped bracket 41, inner side surfaces of two ends of the rotating plate 61 are fixedly connected with striking balls 62, the two striking balls 62 on the rotating plate 61 are respectively positioned at the outer sides of the upper die body 1 and the lower die body 2, the outer side surface of the bottom end of the rotating plate 61 is fixedly connected with a cam 63, the cam 63 is vertically aligned with the eccentric wheel 42, the inner side surface of the rotating plate 61 is fixedly connected with a spring 64, one end of the spring 64 is abutted against the outer wall of the lower die body 2, in a natural state, the top end of the rotating plate 61 is deflected inwards under the action of the tensile force of the spring 64, the knocking ball 62 on the upper side of the rotating plate 61 abuts against the outer side wall of the upper die body 1, when the eccentric wheel 42 rotates, the convex part of the eccentric wheel 42 extrudes the cam 63, the lower end of the rotating plate 61 overcomes the elastic force of the spring 64 and rotates inwards, the knocking ball 62 on the lower side of the rotating plate 61 vibrates to knock the lower die body 2, the convex part of the eccentric wheel 42 is far away from the cam 63 along with the continuous rotation of the eccentric wheel 42, the knocking ball 62 on the upper side of the rotating plate 61 rebounds to vibrate to knock the upper die body 1 under the elastic force action of the spring 64, continuous knocking of the upper die body 1 and the lower die body 2 is realized through continuous rotation of the eccentric wheel 42, and the knocking ball 62 can be made of an elastic material or a metal material according to the requirement of knocking force.

The working principle and the using process of the utility model are as follows: when the melting material injection mold is used, melting material is injected into the mold cavities of the upper mold body 1 and the lower mold body 2, in the injection process, the driving motor 31 is started to drive the output shaft to rotate, the output shaft of the driving motor 31 drives the spline shaft 33 to rotate, the spline shaft 33 drives the eccentric wheel 42 to rotate, in the initial state, under the pulling force action of the spring 64, the top end of the rotating plate 61 deflects inwards, the knocking ball 62 on the upper side of the rotating plate 61 abuts against the outer side wall of the upper mold body 1, when the eccentric wheel 42 rotates, the protruding part of the eccentric wheel 42 extrudes the cam 63, the lower end of the rotating plate 61 overcomes the elastic force of the spring 64 to rotate inwards, the knocking ball 62 on the lower side of the rotating plate 61 vibrates and knocks the lower mold body 2, along with the continuous rotation of the eccentric wheel 42, the protruding part of the eccentric wheel 42 is far away from the cam 63, under the elastic force action of the spring 64, the knocking ball 62 on the upper side of the rotating plate 61 rebounds and vibrates and knocks the upper mold body 1, continuous knocking on the upper die body 1 and the lower die body 2 is realized through continuous rotation of the eccentric wheel 42;

meanwhile, the first wheel disc 32 on the output shaft of the driving motor 31 and the second wheel disc 34 on the threaded rod 36 are driven by the transmission belt 35 to enable the threaded rod 36 to synchronously rotate, the rotating plate 61 is driven to horizontally move on the threaded rod 36 along the length direction of the threaded rod 36 through the threaded relation between the threaded rod 36 and the sleeve 65 and under the limit of the U-shaped support 41, the upper die body 1 and the lower die body 2, meanwhile, the U-shaped support 41 pushes the eccentric wheel 42 to slide on the spline shaft 33, the cam 63 is continuously extruded in the movement process, and the upper die body 1 and the lower die body 2 are vibrated in a reciprocating mode through the forward and reverse rotation of the driving motor 31, so that materials in the die cavities of the upper die body 1 and the lower die body 2 are uniformly mixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automotive power gearbox production mould, includes die body (1) and lower die body (2) with last die body (1) compound die, its characterized in that: go up fixedly connected with fixed plate (5) on the lateral wall of die body (1), one side of fixed plate (5) is provided with actuating mechanism (3), actuating mechanism (3) one side is provided with fixture (4), be provided with on fixture (4) and be used for carrying out horizontal motion and to going up die body (1) and lower die body (2) die cavity interior vibration mixing's of melting material vibration mechanism (6) under actuating mechanism (3) orders about.

2. The mold for producing the automotive power transmission case according to claim 1, wherein: actuating mechanism (3) include driving motor (31), driving motor (31) are fixed on one side inner wall of fixed plate (5), the first rim plate of fixedly connected with (32) on the output shaft of driving motor (31), the output shaft fixedly connected with integral key shaft (33) of driving motor (31), the one end and fixed plate (5) of integral key shaft (33) rotate and are connected, the both ends that one side parallel arrangement of integral key shaft (33) had threaded rod (36) rotate with fixed plate (5) and are connected, fixedly connected with second rim plate (34) on threaded rod (36), first rim plate (32) are connected through drive belt (35) transmission with second rim plate (34).

3. The mold for producing the automotive power transmission case according to claim 2, wherein: fixture (4) are including U type support (41), U type support (41) rotate with integral key shaft (33) and threaded rod (36) respectively and are connected, the inboard of U type support (41) is provided with eccentric wheel (42), eccentric wheel (42) and integral key shaft (33) sliding connection.

4. The mold for producing the automotive power transmission case according to claim 3, wherein: the vibrating mechanism (6) comprises a rotating plate (61), a sleeve (65) penetrates through the middle of the rotating plate (61), the sleeve (65) is rotatably connected with the rotating plate (61), the sleeve (65) is in threaded connection with a threaded rod (36), two ends of the sleeve (65) are fixedly connected with a U-shaped support (41), inner side faces of two ends of the rotating plate (61) are fixedly connected with knocking balls (62), a cam (63) is fixedly connected with the outer side face of the bottom end of the rotating plate (61), a spring (64) is fixedly connected with the inner side face of the rotating plate (61), and one end of the spring (64) abuts against the outer wall of the lower die body (2).

5. The mold for producing the automotive power transmission case according to claim 4, wherein: the two knocking balls (62) on the rotating plate (61) are respectively positioned on the outer sides of the upper die body (1) and the lower die body (2).

6. The mold for producing the automotive power transmission case according to claim 4, wherein: the cam (63) is vertically aligned with the position of the eccentric (42).

7. The mold for producing the automotive power transmission case according to claim 2, wherein: the driving motor (31) is a positive and negative motor.