CN215879548U

CN215879548U - A go up unloading mechanism for retooling platform truck

Info

Publication number: CN215879548U
Application number: CN202122214426.5U
Authority: CN
Inventors: 范磊
Original assignee: Jiangsu Wisdom Stone Technology Co ltd
Current assignee: Jiangsu Wisdom Stone Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-22
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a feeding and discharging mechanism for a die changing trolley, relates to the field of die changing trolleys, and aims to solve the problems that an existing crane is time-consuming and labor-consuming in loading and unloading a die and high in risk. The following scheme is proposed, which comprises a bottom plate, wherein four groups of supporting columns are fixedly connected to the bottom plate, one-level sliding grooves are formed in the four groups of supporting columns, a top plate is connected between the four groups of supporting columns through the one-level sliding grooves in a sliding mode, a moving mechanism used for pulling out a mold is arranged on the top plate, and a lifting mechanism used for lowering the gravity center of the device is arranged between the top plate and the bottom plate. The utility model has the beneficial effects that: according to the utility model, the movable mechanism is arranged to load and unload the die in a dragging and pushing manner, so that compared with hoisting by a crane, collision possibly occurring in the loading and unloading process is avoided, and time and labor are saved; the height of the mold is reduced when the mold is loaded on the device by arranging the lifting mechanism, so that the whole gravity center of the device is reduced, and the damage to the mold caused by pouring in the transportation process is prevented.

Description

A go up unloading mechanism for retooling platform truck

Technical Field

The utility model relates to the field of die change trolleys, in particular to a feeding and discharging mechanism for a die change trolley.

Background

Dies, various moulds and tools for obtaining the desired products by injection, blow, extrusion, die-casting or forging, smelting, stamping, etc. in industrial production, in short, a die is a tool for making shaped articles, which tool is composed of various parts, and different dies are composed of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material, the article is simply provided with a name of 'industrial bus', and a tool for conveniently replacing a mold in the processing process is used during the mold replacing process of a mold trolley.

Because mould weight is heavier, at present mainly put the retooling platform truck and lift the retooling platform truck with the mould through the mode of loop wheel machine hoist and mount, this kind of go up unloading mode not only consumes a large amount of manpower and materials, and it is longer to consume time moreover to mould precision itself is higher, bumps and causes the mould to damage easily in hoist and mount process, causes economic loss.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a loading and unloading mechanism for a mold changing trolley, so as to achieve loading and unloading convenience and lower risk of mold damage.

In order to achieve the technical purpose, the utility model provides a feeding and discharging mechanism for a die changing trolley, which comprises the following components:

the device comprises a bottom plate, wherein four groups of supporting columns are fixedly connected to the bottom plate, the four groups of supporting columns are distributed in a rectangular shape, primary sliding grooves are formed in the four groups of supporting columns, a top plate is connected between the four groups of supporting columns in a sliding mode through the primary sliding grooves, a secondary sliding groove is formed in the middle of the top plate, a baffle is fixedly connected to the top of the top plate, four groups of connecting columns distributed in a rectangular shape are fixedly connected to the bottom of the top plate, supporting plates are fixedly connected to the bottoms of the four groups of connecting columns, a movable mechanism used for pulling out a mold is arranged on the top plate, and a lifting mechanism used for lowering the gravity center of the device is arranged between the top plate and the bottom plate;

the moving mechanism comprises a motor, a support frame, a screw rod, a screw nut, a clamping jaw and a sliding block, the motor is fixedly connected to the bottom of the top plate, the support frame is provided with two sets of support frames, the support frames are fixedly connected to the bottom of the top plate and are arranged at two ends of a second-stage sliding groove of the top plate, a motor rotating shaft is connected with a nearest set of support frame in a rotating mode and penetrates through the support frames, the screw rod is connected with another set of support frame in a rotating mode, the screw rod is connected with the motor rotating shaft in a transmission mode, the screw nut is connected to the screw rod in a threaded mode, the sliding block is arranged above the top plate, the bottom of the sliding block is connected with the second-stage sliding groove of the top plate and the screw nut is fixedly connected with the bottom of the sliding block, the clamping jaw is provided with two sets, and the two sets of clamping jaws are connected to two sides of the sliding block in a rotating mode.

Preferably, the lifting mechanism comprises a first-stage bevel gear, a spline shaft, a rotating drum, a limiting plate, an elastic part and a fixing plate, two ends of the spline shaft are fixedly connected with a motor rotating shaft and the end part of a screw rod respectively, the first-stage bevel gear is connected with the spline shaft in a sliding manner, the rotating drum is connected with a hub of the first-stage bevel gear in a rotating manner, the fixing plate is fixedly connected to the bottom of a top plate, the rotating drum is movably connected with the fixing plate and penetrates through the fixing plate, the limiting plate is provided with two groups, the two groups of limiting plates are fixedly connected with the rotating drum and located on two sides of the fixing plate respectively, the elastic part is sleeved on the screw rod, and two ends of the elastic part are fixedly connected with a screw nut and the rotating drum respectively.

Specifically, the elastic member may be a spring, which is coincident with the axis of the screw shaft and has a radius larger than that of the screw shaft, and the primary bevel gear may be engaged with the secondary bevel gear.

Preferably, the lifting mechanism further comprises a threaded cylinder, threaded columns, a secondary bevel gear and chain wheels, the threaded cylinder, the threaded columns and the chain wheels are respectively provided with two groups, the two groups of threaded cylinders are fixedly connected to the top of the bottom plate, the two groups of threaded columns are respectively in threaded connection with the two groups of threaded cylinders, the end portions of the threaded columns are rotatably connected with the supporting plate and penetrate through the supporting plate, the secondary bevel gear is fixedly connected to the top of the one group of threaded columns, the two groups of chain wheels are respectively fixedly connected with the two groups of threaded columns and are located below the supporting plate, and the two groups of chain wheels are in chain transmission.

Preferably, the screw rod, the spline shaft and the two groups of threaded cylinders are all located on the same vertical plane with the secondary sliding groove of the top plate.

Specifically, two sets of screw thread section of thick bamboo position symmetry, screw thread section of thick bamboo position sets up and makes the device go up and down more laborsaving.

Preferably, four groups of caster wheels are fixedly connected to four corners of the bottom plate, and the caster wheels can limit.

Specifically, the truckles facilitate the integral movement of the device and the transportation.

Preferably, the clamping jaw is L-shaped, and the bottom of the sliding block is attached to the top plate.

According to the technical scheme, the method has the following beneficial effects:

1: according to the utility model, the movable mechanism is arranged to load and unload the die in a dragging and pushing mode, so that compared with a loading and unloading mode of hoisting by a crane, the collision possibly generated in the loading and unloading process is avoided, the loading and unloading are more convenient and faster, and the labor is saved.

2: reduce the mould height when making the mould load the device on through setting up elevating system, make the whole focus of device reduce, prevent to take place to empty in the transportation and cause the mould damage, the practicality is strong.

Drawings

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

Fig. 1 is a schematic structural view of a loading and unloading mechanism for a die change trolley provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional structural view of a loading and unloading mechanism for a mold changing trolley according to the present invention;

fig. 4 is a schematic top view of a loading and unloading mechanism for a mold changing trolley according to the present invention;

description of the drawings: 1. a base plate; 2. a support pillar; 3. a top plate; 4. a baffle plate; 5. connecting columns; 6. a motor; 7. a support frame; 8. a spline shaft; 9. a screw rod; 10. a feed screw nut; 11. a claw; 12. a slider; 13. a primary bevel gear; 14. a rotating drum; 15. a limiting plate; 16. an elastic member; 17. a fixing plate; 18. a threaded barrel; 19. a threaded post; 20. a secondary bevel gear; 21. a sprocket; 22. a caster wheel; 23 support the plate.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.

Referring to FIGS. 1-4:

example one

The utility model provides a go up unloading mechanism for retooling platform truck, comprising a base plate 1, four group's support columns 2 of fixedly connected with on the bottom plate 1, four group's support columns 2 are the rectangle and distribute, it has the one-level spout all to open on four group's support columns 2, there is roof 3 through one-level spout sliding connection between four group's support columns 2, open at 3 middle parts of roof has the second grade spout, 3 top fixedly connected with baffles 4 of roof, 3 bottom fixedly connected with four group's of roof are the spliced pole 5 that the rectangle distributes, 5 bottom fixedly connected with backup pads 23 of four group's spliced poles, be provided with the moving mechanism who is used for pulling out the mould on the roof 3, be provided with between roof 3 and the bottom plate 1 and be used for reducing mechanism centrobaric elevating system.

In addition, concretely, the movable mechanism comprises a motor 6, a support frame 7, a screw rod 9 and a screw rod nut 10, and the motor 6 is fixedly connected to the bottom of the top plate 3.

It should be noted that, the support frames 7 are provided with two sets, two sets of support frames 7 are both fixedly connected to the bottom of the top plate 3, two sets of support frames 7 are located at two ends of the second-stage chute of the top plate 3, the rotating shaft of the motor 6 is rotatably connected with the nearest set of support frame 7 and penetrates through the support frame 7, the screw rod 9 is rotatably connected with the other set of support frame 7, the screw rod 9 is in transmission connection with the motor 6, and the screw nut 10 is in threaded connection with the screw rod 9.

Further, the moving mechanism still includes jack catch 11 and slider 12, and slider 12 sets up in roof 3 top, and slider 12 bottom passes the second grade spout of roof 3 and with screw-nut 10 fixed connection, and jack catch 11 is provided with two sets ofly, and two sets of jack catch 11 rotate to be connected in slider 12 both sides, and four truckles 22 of group of fixedly connected with are still gone back to 1 bottom four corners of bottom plate, and truckle 22 specifically is spacing truckle, and jack catch 11 is L shape, and slider 12 bottom and roof 3 are laminated.

It should be noted that the motor 6 drives the spline shaft 8 and the lead screw 9 to rotate, and the lead screw 9 drives the slider 12 to move through the lead screw nut 10 when rotating, so as to realize pushing or pulling the mold to perform loading and unloading.

Example two

The utility model provides a go up unloading mechanism for retooling platform truck, it is on embodiment one's basis, elevating system includes one-level bevel gear 13, integral key shaft 8, the rotary drum 14, limiting plate 15, elastic component 16 and fixed plate 17, integral key shaft 8 both ends respectively with motor 6 pivot, lead screw 9 tip fixed connection, one-level bevel gear 13 and integral key shaft 8 sliding connection, rotary drum 14 rotates with one-level bevel gear 13 wheel hub and is connected, fixed plate 17 fixed connection is in roof 3 bottom, rotary drum 14 and fixed plate 17 swing joint and run through fixed plate 17, limiting plate 15 is provided with two sets ofly, two sets of limiting plate 15 all with rotary drum 14 fixed connection and be located fixed plate 17 both sides respectively, elastic component 16 cover is established on lead screw 9, elastic component 16 both ends respectively with screw-nut 10, rotary drum 14 fixed connection. It should be noted that, the elastic element 16 is preferably a spring, which is concentrically arranged with the screw rod 9, and the diameter of the inner ring of the spring is larger than the diameter of the outer ring of the screw rod 9, so that the elastic element 16 can be prevented from interfering with the screw rod 9 when being stretched, and the normal operation is ensured.

Specifically, the shape of the inner side of the primary bevel gear 13 matches the shape and size of the spline shaft 8, and the inner sides of the spline shaft 8 and the primary bevel gear 13 are not circular, so that the primary bevel gear 13 can slide on the spline shaft 8, and simultaneously, when the spline shaft 8 rotates, the primary bevel gear 13 can also rotate.

Further, elevating system still includes a screw thread section of thick bamboo 18, screw thread post 19, second grade bevel gear 20 and sprocket 21, and screw thread section of thick bamboo 18, screw thread post 19 and sprocket 21 all are provided with two sets ofly, and two sets of screw thread sections of thick bamboo 18 are fixed connection all at bottom plate 1 top, and two sets of screw thread posts 19 respectively with two sets of screw thread section of thick bamboo 18 threaded connection, screw thread post 19 tip and backup pad 23 rotate to be connected and run through backup pad 23.

In addition, the secondary bevel gear 20 is fixedly connected to the top of the set of threaded columns 19, the two sets of chain wheels 21 are respectively fixedly connected with the two sets of threaded columns 19 and located below the supporting plate 23, the two sets of chain wheels 21 are in chain transmission, and the screw rod 9, the spline shaft 8 and the two sets of threaded cylinders 18 are all located on the same vertical plane with the secondary sliding grooves of the top plate 3.

It should be noted that the spline shaft 8 rotates to drive the first-stage bevel gear 13 to rotate, during the discharging process, the first-stage bevel gear 13 idles and then is meshed with the second-stage bevel gear 20 to drive the threaded columns 19 fixed with the second-stage bevel gear 20 to rotate, and the two groups of threaded columns 19 rotate synchronously through the cooperation of the chain wheel 21 and the chain, so that the height of the top plate is reduced, and the charging process is opposite to the discharging process.

The working principle is as follows: in the using process of the utility model, when in blanking, the mold base is clamped by the clamping jaws 11, the motor 6 is started, the motor 6 drives the spline shaft 8 and the screw rod 9 to rotate, the screw rod 9 rotates to enable the screw rod nut to drive the slide block 12 to displace, the mold is pulled to the top plate 3, the elastic piece 16 is reset from a stretching state in the pulling process, then the rotary drum 14 is pushed to displace, the rotary drum 14 drives the first-stage bevel gear 13 to displace, the first-stage bevel gear 13 is gradually meshed with the second-stage bevel gear 20, and when the first-stage bevel gear 13 is meshed with the second-stage bevel gear 20, the mold is pulled to the top plate 3.

When the device is continuously pulled, the limiting plate 15 blocks the rotating drum 14, the elastic part 16 starts to compress, the first-stage bevel gear 13 and the second-stage bevel gear 20 are always in a meshed state, the spline shaft 8 drives the second-stage bevel gear 20 to rotate through the first-stage bevel gear 13, the second-stage bevel gear 20 drives the threaded columns 19 fixed with the second-stage bevel gear to rotate, under the transmission action of the chain wheel 21 and the chain, the two groups of threaded columns 19 synchronously rotate, the top plate 3 is enabled to move downwards through the matching of the threaded cylinder 18, the integral gravity center of the device is lowered, the phenomenon of toppling during moving is prevented, and the feeding process can be realized through the reversing motor 6.

Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. A feeding and discharging mechanism for a die change trolley comprises a bottom plate (1) and is characterized in that, four groups of supporting columns (2) are fixedly connected to the bottom plate (1), the four groups of supporting columns (2) are distributed in a rectangular shape, first-stage sliding grooves are formed in the four groups of supporting columns (2), a top plate (3) is connected between the four groups of supporting columns (2) in a sliding mode through the first-stage sliding grooves, the middle part of the top plate (3) is provided with a secondary sliding chute, the top of the top plate (3) is fixedly connected with a baffle plate (4), the bottom of the top plate (3) is fixedly connected with four groups of connecting columns (5) which are distributed in a rectangular shape, the bottoms of the four groups of connecting columns (5) are fixedly connected with supporting plates (23), a movable mechanism for pulling out the die is arranged on the top plate (3), and a lifting mechanism for lowering the gravity center of the device is arranged between the top plate (3) and the bottom plate (1);

the movable mechanism comprises a motor (6), a support frame (7), a screw rod (9), a screw nut (10), a clamping jaw (11) and a sliding block (12), the motor (6) is fixedly connected to the bottom of the top plate (3), the support frame (7) is provided with two groups, the two groups of support frames (7) are fixedly connected to the bottom of the top plate (3), the two groups of support frames (7) are positioned at two ends of a second-stage chute of the top plate (3), a rotating shaft of the motor (6) is rotatably connected with the nearest group of support frames (7) and penetrates through the support frames (7), the screw rod (9) is rotatably connected with the other group of support frames (7), the screw rod (9) is in transmission connection with the rotating shaft of the motor (6), the screw nut (10) is in threaded connection with the screw rod (9), the sliding block (12) is arranged above the top plate (3), the bottom of the sliding block (12) penetrates through the second-stage chute of the top plate (3) and is fixedly connected with the screw nut (10), the clamping jaws (11) are provided with two groups, and the two groups of clamping jaws (11) are rotatably connected to two sides of the sliding block (12).

2. The loading and unloading mechanism for the die changing trolley is characterized in that the lifting mechanism comprises a primary bevel gear (13), a spline shaft (8), a rotating drum (14), a limiting plate (15), an elastic part (16) and a fixing plate (17), two ends of the spline shaft (8) are respectively and fixedly connected with a rotating shaft of a motor (6) and an end part of a screw rod (9), the primary bevel gear (13) is in sliding connection with the spline shaft (8), and the rotating drum (14) is in hub rotating connection with the primary bevel gear (13);

the fixing plate (17) is fixedly connected to the bottom of the top plate (3), the rotary drum (14) is movably connected with the fixing plate (17) and penetrates through the fixing plate (17), two groups of limiting plates (15) are arranged, the two groups of limiting plates (15) are fixedly connected with the rotary drum (14) and located on two sides of the fixing plate (17) respectively, the elastic piece (16) is sleeved on the screw rod (9), and two ends of the elastic piece (16) are fixedly connected with the screw rod nut (10) and the rotary drum (14) respectively.

3. The loading and unloading mechanism for the die change trolley is characterized in that the lifting mechanism further comprises a threaded cylinder (18), a threaded column (19), a secondary bevel gear (20) and a chain wheel (21), wherein two groups of threaded cylinders (18), two groups of threaded columns (19) and two groups of chain wheels (21) are arranged, the two groups of threaded cylinders (18) are fixedly connected to the top of the base plate (1), and the two groups of threaded columns (19) are respectively in threaded connection with the two groups of threaded cylinders (18);

the end part of the threaded column (19) is rotatably connected with the supporting plate (23) and penetrates through the supporting plate (23), the secondary bevel gear (20) is fixedly connected to the top of one group of threaded columns (19), the two groups of chain wheels (21) are respectively and fixedly connected with the two groups of threaded columns (19) and are located below the supporting plate (23), and the two groups of chain wheels (21) are in chain transmission.

4. The loading and unloading mechanism for the die change trolley according to claim 3, wherein the screw rod (9), the spline shaft (8) and the two groups of threaded cylinders (18) are all located on the same vertical plane with the secondary chutes of the top plate (3).

5. The loading and unloading mechanism for the die change trolley according to any one of claims 1 to 4, wherein four groups of casters (22) are fixedly connected to four corners of the bottom plate (1), and the casters (22) are position-limitable casters.

6. The loading and unloading mechanism for the die change trolley according to claim 1, wherein the claw (11) is L-shaped, and the bottom of the sliding block (12) is attached to the top plate (3).