Short hub wheel core metal mold

The lifting plate is driven synchronously at four points by a linkage mechanism and a worm gear, which solves the stability problem caused by single-point drive and improves the shaping accuracy of the short hub wheel core and the fitting efficiency of the shaping seat.

CN223811523UActive Publication Date: 2026-01-20SICHUAN HONGFA VEHICLE PARTS CO LTD
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Patent Information

Application Number
CN202520399802.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-20
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The existing short hub wheel core metal mold is driven at a single point by the telescopic end of a single electric push rod, resulting in a single force point for the lifting unit, which affects the movement stability of the upper shaping seat and the fitting efficiency of the shaping seat.

Method used

A linkage mechanism is used to achieve synchronous four-point pushing of the lifting plate. Combined with worm gear and motor drive, the synchronous operation of the four linkage mechanisms ensures the stable movement of the lifting plate and improves the shaping accuracy.

Benefits of technology

This achieved stable movement of the lifting plate, improving the shaping accuracy of the short hub wheel core and the fitting efficiency of the shaping seat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a short hub wheel core metal mold which comprises a supporting table, a lower shaping seat is arranged in the middle of the upper surface of the supporting table, an adjustable upper shaping seat is arranged at the upper end of the supporting table through a lifting plate, a driving bin is arranged at the upper end of the supporting table, and the short hub wheel core metal mold further comprises a lifting mechanism. The lifting mechanism comprises notches, rotating shafts, first connecting rods and second connecting rods, the notches are evenly formed in the lower end of the driving bin, the rotating shafts are rotatably connected to the interiors of the notches, the first connecting rods are fixedly connected to the middles of the rotating shafts, and the evenly-distributed second connecting rods are rotatably connected to the upper end of the lifting plate; according to the short hub wheel core metal mold, four-point synchronous pushing of the lifting plate is achieved through the connecting rod mechanisms, compared with single-point pushing, movement of the lifting plate is more stable, and the shaping precision of a short hub wheel core is effectively guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to train accessory production technical field, concretely is a short hub wheel core metal mould. BACKGROUND

[0002] Short hub wheel core as the center part of train wheel, supports the weight of whole train wheel, and transmits the weight of train body to the road surface, simultaneously, it also bears the lateral load, driving force and brake force torque etc. of vehicle turning, short hub wheel core metal mould is the special tool for producing short hub wheel core, and it plays a vital role in train accessory manufacturing industry;

[0003] The existing short hub wheel core metal mould provides sliding support for the lifting unit through the guide column, and drives the upper setting seat through the single electric push rod, so that the upper setting seat and the lower setting seat cooperate to work and shape the short hub wheel core. This kind of short hub wheel core metal mould has some problems, such as single point driving mode of the single electric push rod to the lifting unit, single stress point of the lifting unit, affecting the moving stability of the upper setting seat, and further affecting the cooperation efficiency of the upper setting seat and the lower setting seat. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a short hub wheel core metal mould, which realizes four-point synchronous pushing of the lifting plate through a connecting rod mechanism, and the moving of the lifting plate is more stable compared with single-point pushing, effectively guarantees the shaping precision of the short hub wheel core, and can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a short hub wheel core metal mould, comprising a support table, a lower setting seat is arranged on the middle part of the upper surface of the support table, an adjustable upper setting seat is arranged on the upper end of the support table through a lifting plate, a driving bin is arranged on the upper end of the support table, and a lifting mechanism is further included.

[0006] The lifting mechanism comprises notches, shafts, connecting rods one and two, the notches are evenly arranged on the lower end of the driving bin, the shafts are rotatably connected inside the notches, the connecting rods one are fixedly connected to the middle parts of the shafts, the connecting rods two are rotatably connected to the upper ends of the connecting rods one through connecting shafts, the four-point synchronous pushing of the lifting plate is realized through the connecting rod mechanism, the moving of the lifting plate is more stable compared with single-point pushing, and the shaping precision of the short hub wheel core is effectively guaranteed.

[0007] Further, the lifting mechanism further comprises worm gears and worms, the worm gears are uniformly and fixedly connected to the middle part of the rotating shaft, the bottom wall of the driving bin is fixedly connected with uniformly distributed supports, the worms are rotationally connected between the supports and the radially adjacent inner walls of the driving bin, the worms are in meshing connection with the radially adjacent worm gears, the four connecting rod mechanisms are provided with driving force, and then the vertical movement of the lifting plate is provided with driving force.

[0008] Further, the upper surface of the support table is provided with a controller at the rear end, the input end of the controller is electrically connected with an external power supply, and the controller controls each electrical appliance.

[0009] Further, the lifting mechanism further comprises motors and driven helical gears, the driven helical gears are uniformly and fixedly connected to one end of the worms close to the center of the driving bin, the motors are arranged at the upper end of the driving bin, the lower end of the motor output shaft is fixedly connected with a driving helical gear, the driven helical gears are in meshing connection with the driving helical gear, the input end of the motor is electrically connected with the output end of the controller, and synchronous driving of the four connecting rod mechanisms is realized.

[0010] Further, the upper end of the support table is fixedly connected with uniformly distributed guide columns, the middle parts of the guide columns are slidably connected with the corresponding ends of the lifting plate, the lower end of the lifting plate is matched and installed with the upper shaping seat, the front end of the upper shaping seat is provided with a material injection pipe, the lifting plate is provided with sliding support and limiting, and the material injection pipe facilitates material injection.

[0011] Further, the upper end of the support table is provided with symmetrically distributed sliding grooves, the two sliding grooves adjacent in the transverse direction are slidably connected with clamping plates, the two clamping plates are matched and installed with the lower shaping seat, and the fixing of the lower shaping seat is realized.

[0012] Further, the electric push rod is arranged at the lower end between the two clamping plates, the input end of the electric push rod is electrically connected with the output end of the controller, and driving force is provided for the fixing of the lower shaping seat.

[0013] Compared with the prior art, the short hub wheel core metal mold has the following advantages:

[0014] The worm gear and worm mechanism is driven by the motor, synchronous operation of the four connecting rod mechanisms is realized, four-point synchronous pushing of the lifting plate is realized through the connecting rod mechanism, the movement of the lifting plate is more stable relative to single-point pushing, and the shaping precision of the short hub wheel core is effectively guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a sectional view of the utility model;

[0017] Fig. 3The utility model discloses an A place amplification structure schematic view.

[0018] In the drawing: 1 support platform, 2 drive bin, 3 lifting mechanism, 31 motor, 32 recess, 33 rotating shaft, 34 connecting rod one, 35 worm wheel, 36 connecting rod two, 37 worm, 38 driven bevel gear, 4 guide column, 5 lifting plate, 6 upper shaping seat, 7 injection pipe, 8 chute, 9 clamping plate, 10 electric push rod, 11 lower shaping seat, 12 controller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of short hub wheel core metal mould, including support platform 1, the middle part of the upper surface of support platform 1 is provided with lower shaping seat 11, the upper end of support platform 1 is provided with adjustable upper shaping seat 6 by lifting plate 5, the bottom surface middle part of lifting plate 5 is provided with upper shaping seat 6, the upper end of support platform 1 is provided with drive bin 2, the rear end of the upper surface of support platform 1 is provided with controller 12, the input end of controller 12 is electrically connected with external power supply, still include lifting mechanism 3;

[0021] The lifting mechanism 3 comprises notches 32, rotating shafts 33, connecting rods one 34 and connecting rods two 36, the notches 32 are uniformly arranged at the lower end of the driving bin 2, rotating shafts 33 are rotationally connected inside the notches 32, the middle part of the rotating shafts 33 is fixedly connected with the connecting rods one 34, the upper end of the lifting plate 5 is rotationally connected with the uniformly distributed connecting rods two 36, the lower end of the connecting rods one 34 is rotationally connected with the upper end of the vertically adjacent connecting rods two 36 through connecting shafts, the lifting mechanism 3 further comprises worm gears 35 and worms 37, the worm gears 35 are uniformly fixedly connected to the middle part of the rotating shafts 33, the bottom wall of the driving bin 2 is fixedly connected with uniformly distributed supports, the worms 37 are rotationally connected between the supports and the radially adjacent inner wall of the driving bin 2, the worms 37 are meshingly connected with the radially adjacent worm gears 35, the lifting mechanism 3 further comprises a motor 31 and driven bevel gears 38, the driven bevel gears 38 are uniformly fixedly connected to one end of the worms 37 close to the center of the driving bin 2, the motor 31 is arranged at the upper end of the driving bin 2, the lower end of the output shaft of the motor 31 is fixedly connected with a driving bevel gear, the driven bevel gears 38 are meshingly connected with the driving bevel gear, the input end of the motor 31 is electrically connected with the output end of the controller 12, the upper end of the support table 1 is fixedly connected with uniformly distributed guide columns 4, the middle part of the guide columns 4 is slidingly connected with the corresponding end of the lifting plate 5, the lower end of the lifting plate 5 is fitted and installed with the upper end of the upper shaping seat 6, the front end of the upper shaping seat 6 is provided with a feeding pipe 7, the motor 31 is operated through the controller 12, the output shaft of the motor 31 rotates to drive the driving bevel gear to rotate, and then drives the four driven bevel gears 38 to rotate, the driven bevel gears 38 rotate to drive the radially adjacent worms 37 to rotate, the worms 37 rotate to drive the radially adjacent worm gears 35 to rotate, the worm gears 35 rotate to drive the corresponding rotating shafts 33 to rotate, the rotating shafts 33 move away from the center of the driving bin 2, and then the vertically adjacent connecting rods one 34 rotate away from the center of the driving bin 2, the connecting rods one 34 act on the vertically adjacent connecting rods two 36 through the corresponding connecting shafts, so that the connecting rods two 36 also rotate away from the center of the driving bin 2, the lower end of the connecting rods two 36 pushes the corresponding end of the lifting plate 5, so that the lifting plate 5 moves downward under the guidance of the guide columns 4, and then drives the upper shaping seat 6 to move downward, when the upper shaping seat 6 contacts the lower shaping seat 11, raw materials are injected between the upper shaping seat 6 and the lower shaping seat 11 through the feeding pipe 7, and then the shaping of the short-hub wheel core is realized;

[0022] Among them: the upper end of the support table 1 is provided with symmetrically distributed sliding grooves 8, two sliding grooves 8 between the transversely adjacent are slidingly connected with clamping plates 9, and the two clamping plates 9 are fitted and installed with the lower shaping seat 11;

[0023] Wherein: also includes electric push rod 10, electric push rod 10 is arranged between the lower end of two clamping plates 9, the input end of electric push rod 10 is electrically connected with the output end of controller 12, the operation of electric push rod 10 is realized through controller 12, the telescopic end of electric push rod 10 is retracted, so that two clamping plates 9 are in the corresponding sliding groove 8, and move to the direction close to the center of support table 1, the upper end of the inner surface of two clamping plates 9 is in contact with the corresponding end of lower shaping seat 11, and then the fixed clamping of lower shaping seat 11 is realized.

[0024] The working principle of the short-hub wheel core metal mold is as follows: in working, personnel first stably place support table 1, drive bin 2 and other mechanisms in a horizontal working area, after stable placement, personnel place lower shaping seat 11 on the upper end of support table 1, then personnel realize the operation of electric push rod 10 through controller 12, the telescopic end of electric push rod 10 is retracted, so that two clamping plates 9 are in the corresponding sliding groove 8, and move to the direction close to the center of support table 1, the upper end of the inner surface of two clamping plates 9 is in contact with the corresponding end of lower shaping seat 11, and then the fixed clamping of lower shaping seat 11 is realized, after stable fixation, personnel realize the operation of motor 31 by closing electric push rod 10 through controller 12, the rotation of the output shaft of motor 31 drives the rotation of driving bevel gear, and then drives the rotation of four driven bevel gears 38, the rotation of driven bevel gears 38 drives the rotation of radially adjacent worms 37, the rotation of worms 37 drives the rotation of radially adjacent worms 35, the rotation of worms 35 drives the rotation of corresponding shafts 33, the shafts 33 move away from the center of drive bin 2, and then make the vertically adjacent connecting rods one 34 rotate away from the center of drive bin 2, the connecting rods one 34 act on the vertically adjacent connecting rods two 36 through corresponding connecting shafts, so that the connecting rods two 36 also rotate away from the center of drive bin 2, the lower end of connecting rods two 36 pushes the corresponding end of lifting plate 5, so that lifting plate 5 moves downward under the guidance of guide column 4, and then drives upper shaping seat 6 to move downward, when upper shaping seat 6 contacts lower shaping seat 11, raw materials are injected between upper shaping seat 6 and lower shaping seat 11 through injection pipe 7, and then the shaping of short-hub wheel core is realized.

[0025] It is worth noting that the controller 12 controls the operation of motor 31 and electric push rod 10 in the above embodiment, which adopts the method commonly used in the prior art.

[0026] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A short hub wheel core metal mold, comprising a support table (1), the middle part of the upper surface of the support table (1) is provided with a lower forming seat (11), the upper end of the support table (1) is provided with an adjustable upper forming seat (6) through a lifting plate (5), and the upper end of the support table (1) is provided with a driving bin (2), characterized in that: Also include lifting mechanism (3); Lifting mechanism (3): it includes notches (32), pivot shafts (33), connecting rods (34) and connecting rods (36), the notches (32) are evenly arranged on the lower end of the drive bin (2), the inside of the notches (32) is rotatably connected with the pivot shafts (33), the middle part of the pivot shafts (33) is fixedly connected with the connecting rods (34), the upper end of the lifting plate (5) is rotatably connected with the evenly distributed connecting rods (36), the lower end of the connecting rod (34) is rotatably connected with the upper end of the vertically adjacent connecting rod (36) through the connecting shaft.

2. A metal mold for a short-hub wheel core according to claim 1, characterized in that: The lifting mechanism (3) further comprises worm gears (35) and worms (37), the worm gears (35) are evenly fixedly connected to the middle part of the pivot shaft (33), the bottom wall of the drive bin (2) is fixedly connected with evenly distributed supports, the support and the inner wall of the radially adjacent drive bin (2) are rotatably connected with the worm (37), and the worm (37) is rotatably connected with the radially adjacent worm gear (35).

3. A metal mold for a short-hub wheel core according to claim 2, characterized in that: The rear end of the upper surface of the support table (1) is provided with a controller (12), and the input end of the controller (12) is electrically connected with an external power supply.

4. A metal mold for a short-hub wheel core according to claim 3, characterized in that: The lifting mechanism (3) further comprises a motor (31) and a driven bevel gear (38), the driven bevel gear (38) is fixedly connected to one end of the worm (37) near the center of the drive bin (2), the motor (31) is arranged on the upper end of the drive bin (2), the lower end of the output shaft of the motor (31) is fixedly connected with a driving bevel gear, the driven bevel gear (38) is rotatably connected with the driving bevel gear, and the input end of the motor (31) is electrically connected with the output end of the controller (12).

5. A metal mold for a short hub wheel core according to claim 1, characterized in that: The upper end of the support table (1) is fixedly connected with evenly distributed guide columns (4), the middle part of the guide column (4) is slidably connected with the corresponding end of the lifting plate (5), the lower end of the lifting plate (5) is matched and installed with the upper end of the upper shaping seat (6), and the front end of the upper shaping seat (6) is provided with a material injection pipe (7).

6. A metal mold for a short hub wheel core according to claim 3, wherein: The upper end of the support table (1) is provided with symmetrically distributed sliding grooves (8), the two sliding grooves (8) are slidably connected with the clamping plates (9), and the two clamping plates (9) are matched and installed with the lower shaping seat (11).

7. A short hub wheel core metal mold as defined in claim 6, wherein: It also includes an electric push rod (10), the electric push rod (10) is arranged at the lower end between the two clamping plates (9), and the input end of the electric push rod (10) is electrically connected with the output end of the controller (12).