阅读说明：本技术 一种多工位换模台车 (Multi-station die changing trolley ) 是由 范磊 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种多工位换模台车,包括主车体,主车体的顶侧滑动安装有换模台,换模台的顶侧设有两个换模工位,且每个换模工位的左右两侧均固定安装有滑轨,每个换模工位在靠近两个滑轨之间均安装有推进机构一,且推进机构一与滑轨相互平行,主车体的一侧竖直开设有一对调节槽,一对调节槽内均滑动安装提升座,且一对提升座之间固定连接有升降台,升降台的顶侧设置有圆形凹槽,且圆形凹槽内安装有转盘,转盘的表面均匀分布安装有若干滚珠。该种多工位换模台车,结构简单合理,设计新颖,操作简单,自动化程度较高,并能有效提高换模车的换模效率,实用性较高。(The invention discloses a multi-station die change trolley which comprises a main trolley body, wherein a die change table is slidably mounted on the top side of the main trolley body, two die change stations are arranged on the top side of the die change table, slide rails are fixedly mounted on the left side and the right side of each die change station, a first pushing mechanism is mounted between the two slide rails and close to each die change station, the first pushing mechanism is parallel to the slide rails, a pair of adjusting grooves are vertically formed in one side of the main trolley body, lifting seats are slidably mounted in the pair of adjusting grooves, a lifting platform is fixedly connected between the pair of lifting seats, a circular groove is formed in the top side of the lifting platform, a turntable is mounted in the circular groove, and a plurality of balls are uniformly distributed and mounted on the surface of the turntable. This kind of multistation retooling platform truck, simple structure is reasonable, the modern design, easy operation, and degree of automation is higher to can effectively improve the retooling efficiency of retooling platform truck, the practicality is higher.)

1. A multi-station die change trolley comprises a main trolley body (1) and is characterized in that a die change table (2) is slidably mounted on the top side of the main trolley body (1), two die change stations are arranged on the top side of the die change table (2), slide rails (3) are fixedly mounted on the left side and the right side of each die change station, a first propulsion mechanism (4) is mounted between the two slide rails (3) of each die change station, the first propulsion mechanism (4) is parallel to the slide rails (3), a pair of adjusting grooves (7) are vertically formed in one side of the main trolley body (1), lifting seats are slidably mounted in the adjusting grooves (7), lifting platforms (5) are fixedly connected between the lifting seats, circular grooves are formed in the top sides of the lifting platforms (5), rotary tables (6) are mounted in the circular grooves, and a plurality of balls are uniformly distributed on the surfaces of the rotary tables (6), the bottom side of the lifting platform (5) is fixedly provided with a first motor (14), the center of the bottom side of the rotating disc (6) is fixedly connected with a rotating shaft (13), and the first motor (14) is in transmission connection with the rotating shaft (13).

2. A multi-station die-changing trolley as claimed in claim 1, wherein the second pushing mechanism (16) is mounted on the left side and the right side of the lifting platform (5) close to the turntable (6), and the second pushing mechanism (16) and the first pushing mechanism (4) are identical in structure.

3. The multi-station die changing trolley according to claim 1, wherein the first pushing mechanism (4) comprises a mounting groove (401), a lead screw (402) and a sliding seat (403) are mounted inside the mounting groove (401), the lead screw (402) penetrates through the left side and the right side of the sliding seat (403) and can form a ball screw kinematic pair with the sliding seat (403), a mounting block (405) is fixedly mounted at the top end of the sliding seat (403), a mounting groove is formed in the top end of the mounting block (405), a pair of telescopic rods (407) are mounted inside the mounting groove, and wedge blocks (406) are connected to the top ends of the telescopic rods (407) together.

4. The multi-station die changing trolley according to claim 3, wherein springs (408) are sleeved on the outer sides of the telescopic rods (407), and the upper ends and the lower ends of the springs (408) are respectively abutted to the wedge blocks (406) and the mounting grooves.

5. The multi-station die changing trolley according to claim 3, wherein a second motor (404) is installed on one side of the installation groove (401), and the second motor (404) is in transmission connection with the lead screw (402).

6. The multi-station die changing trolley according to claim 1, wherein guide rails (8) are fixedly mounted on two sides of the top side of the main trolley body (1), the guide rails (8) are T-shaped guide rails, a pair of T-shaped grooves are formed in the bottom side of the die changing table (2), and the T-shaped grooves and the T-shaped guide rails are mounted in a mutually sliding and clamping mode.

7. The multi-station die changing trolley according to claim 1, wherein a rack (10) is fixedly mounted on the bottom side of the die changing table (2), a groove is formed in the center of the top end of the main trolley body (1), a driving motor is mounted in the groove, a driving gear (11) is sleeved at the output end of the driving motor, and the driving gear (11) is meshed with the rack (10).

8. The multi-station die changing trolley according to claim 7, wherein the top end of the main trolley body (1) is provided with limiting grooves (9) on the left side and the right side close to the grooves, limiting sliding blocks (12) are fixedly mounted at the two ends of the rack (10), and the limiting sliding blocks (12) are slidably clamped in the limiting grooves (9).

9. The multi-station die changing trolley according to claim 1, wherein hydraulic telescopic rods are fixedly installed inside the adjusting grooves (7), and the upper ends and the lower ends of the hydraulic telescopic rods are fixedly connected with the lifting seat and the adjusting grooves (7) respectively.

10. A multi-station die change trolley according to claim 1, characterized in that several sets of rollers (15) are mounted on the bottom side of the turntable (6), and the rollers (15) are evenly distributed on the bottom side of the turntable (6).

Technical Field

The invention relates to a die changing trolley, in particular to a multi-station die changing trolley.

Background

In the current plastic industry, when a large-scale injection molding machine needs to replace a mold, the mold can be replaced only by a crane and manpower. The illegal operation of askew pulling and inclined hanging is easy to occur when the mold is replaced by the crane, and the condition that the mold damages machine tool equipment is easy to occur in the pulling process of the steel wire rope. On the other hand, because the pulling distance is difficult to control, an operator can operate the die completely according to the feeling of the operator, and the accident that the die slides down to the ground and hurts people due to improper force application is easily caused. In addition, moving large molds by manpower is time consuming and labor intensive. Therefore, the mold changing trolley is applied.

The die change trolley is a movable die transmission system driven by hand or electricity, can realize automatic exchange of dies in a stamping process, but in the prior art, the general structure of the die change trolley is complex, the function is single, most of dies can be loaded and unloaded only by a single die, the die change efficiency is slow, meanwhile, the self quality of the die is large, the problem of difficulty in adjustment exists during loading, the loading efficiency is slow, so that the die change trolley is improved, and the multi-station die change trolley is provided.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a multi-station die changing trolley which comprises a main trolley body, wherein a die changing table is slidably arranged on the top side of the main trolley body, two die changing stations are arranged on the top side of the die changing table, and the left side and the right side of each die change station are fixedly provided with slide rails, a first propelling mechanism is arranged between the two slide rails of each die change station, the first propelling mechanism is parallel to the slide rail, one side of the main vehicle body is vertically provided with a pair of adjusting grooves, lifting seats are arranged in the pair of adjusting grooves in a sliding manner, and a lifting platform is fixedly connected between the pair of lifting seats, a circular groove is arranged on the top side of the lifting platform, a turntable is arranged in the circular groove, a plurality of balls are uniformly distributed on the surface of the turntable, the bottom side of the lifting platform is fixedly provided with a first motor, the center of the bottom side of the turntable is fixedly connected with a rotating shaft, and the first motor is in transmission connection with the rotating shaft.

As a preferable technical scheme of the invention, the left side and the right side of the lifting platform close to the turntable are both provided with a second pushing mechanism, and the second pushing mechanism have the same structure.

According to a preferable technical scheme of the invention, the first propulsion mechanism comprises an installation groove, a lead screw and a sliding seat are installed in the installation groove, the lead screw penetrates through the left side and the right side of the sliding seat and can form a ball screw kinematic pair with the sliding seat, an installation block is fixedly installed at the top end of the sliding seat, an installation groove is formed in the top end of the installation block, a pair of telescopic rods are installed in the installation groove, and wedge blocks are connected to the top ends of the telescopic rods together.

As a preferred technical scheme of the invention, springs are sleeved on the outer sides of the telescopic rods, and the upper ends and the lower ends of the springs are respectively abutted against the wedge blocks and the mounting grooves.

As a preferable technical scheme of the invention, a second motor is installed on one side of the installation groove and is in transmission connection with the lead screw.

As a preferable technical scheme of the present invention, the guide rails are fixedly mounted on both sides of the top side of the main car body, the guide rails are T-shaped guide rails, the bottom side of the die changing table is provided with a pair of T-shaped grooves, and the pair of T-shaped grooves are respectively mounted with the T-shaped guide rails in a mutually sliding and engaging manner.

As a preferable technical scheme of the invention, a rack is fixedly installed at the bottom side of the die changing table, a groove is formed in the center of the top end of the main vehicle body, a driving motor is installed in the groove, a driving gear is sleeved at the output end of the driving motor, and the driving gear and the rack are meshed with each other.

As a preferable technical scheme of the invention, the top end of the main vehicle body is provided with limiting grooves at the left side and the right side close to the grooves, the two ends of the rack are fixedly provided with limiting sliding blocks, and the limiting sliding blocks are clamped in the limiting grooves in a sliding manner.

As a preferred technical scheme of the invention, hydraulic telescopic rods are fixedly arranged in the adjusting grooves, and the upper ends and the lower ends of the hydraulic telescopic rods are respectively and fixedly connected with the lifting seat and the adjusting grooves.

As a preferable technical scheme of the invention, a plurality of groups of rollers are arranged on the bottom side of the turntable, and the rollers are uniformly distributed on the bottom side of the turntable.

The invention has the beneficial effects that:

1. according to the multi-station die changing trolley, the dies are quickly and alternately replaced through the double-station design of the die changing table, so that the die changing efficiency is effectively improved, and meanwhile, the dies are quickly pushed and pulled through the matching use of the slide rail and the pushing mechanism, so that the die changing efficiency can be further improved;

2. according to the multi-station die changing trolley, the lifting platform and the turntable on the lifting platform are used for realizing rapid lifting adjustment of a die, so that the die is convenient to load, meanwhile, the angle adjustment of the die is convenient to realize through rotation of the turntable, so that the die is convenient to place on the die changing platform accurately, the mounting precision of the die is convenient to improve, and the die mounting efficiency is improved;

3. according to the multi-station die changing trolley, the driving gear is matched with the rack for use, so that the die changing table can accurately move on the top side of the main trolley body, accurate die changing is realized, meanwhile, the limiting groove is matched with the limiting slide block for use, so that the die changing table can be limited for movement, the phenomenon that the die changing table falls off on the top side of the main trolley body is guaranteed, and the multi-station die changing trolley has high use safety; the mould changing trolley has the advantages of simple and reasonable structure, novel design, simplicity in operation, higher automation degree, capability of effectively improving the mould changing efficiency of the mould changing trolley and higher practicability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the switching of mold changing stations of a multi-station mold changing trolley according to the present invention;

FIG. 2 is a schematic view of the general structure of a multi-station die change trolley of the invention;

FIG. 3 is a schematic view of the installation of a mold changing table and a main car body of the multi-station mold changing trolley;

FIG. 4 is a schematic structural diagram of a propelling mechanism of a multi-station die-changing trolley according to the invention;

fig. 5 is a schematic view of the installation of the turntable and the lifting table of the multi-station die change trolley.

In the figure: 1. a main vehicle body; 2. changing a mould table; 3. a slide rail; 4. a first propelling mechanism; 5. a lifting platform; 6. a turntable; 7. an adjustment groove; 8. a guide rail; 9. a limiting groove; 10. a rack; 11. a drive gear; 12. a limiting slide block; 13. a rotating shaft; 14. a first motor; 15. a roller; 16. a second propelling mechanism; 401. mounting grooves; 402. a lead screw; 403. a slide base; 404. a second motor; 405. mounting blocks; 406. a wedge block; 407. a telescopic rod; 408. a spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-5, the multi-station die change trolley comprises a main trolley body 1, a die change table 2 is slidably mounted on the top side of the main trolley body 1, two die change stations are arranged on the top side of the die change table 2, slide rails 3 are fixedly mounted on the left side and the right side of each die change station, a first pushing mechanism 4 is mounted between the two slide rails 3 of each die change station, the first pushing mechanism 4 is parallel to the slide rails 3, a pair of adjusting grooves 7 are vertically formed in one side of the main trolley body 1, lifting seats are slidably mounted in the pair of adjusting grooves 7, a lifting table 5 is fixedly connected between the pair of lifting seats, a circular groove is formed in the top side of the lifting table 5, a rotary table 6 is mounted in the circular groove, a plurality of balls are uniformly distributed on the surface of the rotary table 6, a first motor 14 is fixedly mounted on the bottom side of the lifting table 5, the center of the bottom side of the rotating disc 6 is fixedly connected with a rotating shaft 13, and the first motor 14 is in transmission connection with the rotating shaft 13.

The second pushing mechanism 16 is mounted on the left side and the right side of the lifting platform 5 close to the turntable 6, and the second pushing mechanism 16 and the first pushing mechanism 4 are identical in structure.

The first propulsion mechanism 4 comprises a mounting groove 401, a lead screw 402 and a sliding seat 403 are mounted in the mounting groove 401, the lead screw 402 penetrates through the left side and the right side of the sliding seat 403 and can form a ball screw kinematic pair with the sliding seat 403, a mounting block 405 is fixedly mounted at the top end of the sliding seat 403, a mounting groove is formed in the top end of the mounting block 405, a pair of telescopic rods 407 are mounted in the mounting groove, and the top ends of the telescopic rods 407 are connected with wedge blocks 406 together.

Wherein, telescopic link 407's the outside all is equipped with spring 408, just spring 408's upper and lower both ends offset with voussoir 406 and mounting groove respectively and set up, use through the cooperation of spring 408 with voussoir 406, be convenient for when last mould, the quick recovery of voussoir 406, the smooth entering of the mould of being convenient for, simultaneously after getting into, voussoir 406 is bounced fast, is convenient for realize the quick promotion to the mould, so can effectively improve mould and retooling efficiency.

And a second motor 404 is installed on one side of the installation groove 401, and the second motor 404 is in transmission connection with the screw rod 402.

Wherein, the top side both sides fixed mounting of main automobile body 1 has guide rail 8, guide rail 8 is the T shape guide rail, a pair of T-shaped groove has been seted up to the bottom side of retooling platform 2, and a pair of T-shaped groove respectively with the mutual slip block installation of T shape guide rail, use through the cooperation in T shape guide rail and T-shaped groove, can effectively improve the stability of retooling platform 2 when switching the station to accurate retooling is convenient for.

Wherein, die change platform 2's bottom side fixed mounting has rack 10, the top center department of main automobile body 1 is equipped with the recess, and installs driving motor in the recess, driving motor's output cover is equipped with drive gear 11, and drive gear 11 and rack 10 intermeshing, uses through drive gear 11 and rack 10 cooperation, has realized die change platform 2 at the accurate removal of main automobile body 1 top side to realize accurate die change.

Wherein, the top of main automobile body 1 all is provided with spacing groove 9 in the left and right sides that is close to the recess, the equal fixed mounting in both ends of rack 10 has limiting slide block 12, just limiting slide block 12 slides the block and uses in the inside of spacing groove 9, through limiting groove 9 and limiting slide block 12's cooperation, realizes carrying out spacing removal to retooling platform 2, guarantees that its condition that can not appear droing in main automobile body 1 top side, has higher safety in utilization.

Wherein, the equal fixed mounting hydraulic telescoping rod in inside of adjustment tank 7, and hydraulic telescoping rod's upper and lower both ends respectively with promote seat and 7 fixed connection in adjustment tank, through hydraulic telescoping rod, can realize carrying out quick drive to elevating platform 5 to realize elevating platform 5's raising and lowering functions.

Wherein, a plurality of groups of gyro wheels 15 are installed to the bottom side of carousel 6, just a plurality of gyro wheels 15 are at the bottom side evenly distributed of carousel 6, through a plurality of groups of gyro wheels 15 of installation, can effectively reduce the frictional force between carousel 6 and the elevating platform 5, and then the quick rotation of carousel 6 of being convenient for adjusts.

The working principle is as follows: when the mould changing machine is used, firstly, a mould to be changed is placed on the lifting platform 5 by using a forklift or lifting equipment, then a hydraulic telescopic rod in the adjusting groove 7 is started, the lifting platform 5 moves upwards and stops when moving to be level with the top surface of the mould changing platform 2, then a first motor 14 is started, the turntable 6 is rotated and adjusted, after the adjustment is completed, a second pushing mechanism 16 is started to push the mould and further a mould changing station of the mould changing platform, finally, the mould to be changed is taken out through a first pushing mechanism 4, a driving motor on the top side of the main vehicle body 1 is started, a driving gear 11 is rotated, and a rack 10 is driven to move, so that the quick switching of the station of the mould changing platform 2 is realized, the work of an upper mould is further realized, and the quick mould changing is finished. According to the multi-station die changing trolley, due to the double-station design of the die changing table 2, the dies are quickly and alternately changed, the die changing efficiency is effectively improved, and meanwhile, due to the matched use of the slide rail 3 and the pushing mechanism, the dies are quickly pushed and pulled, so that the die changing efficiency can be further improved; the lifting table 5 and the turntable 6 on the lifting table 5 realize rapid lifting adjustment of the mold, so that the mold is convenient to load, and meanwhile, through rotation of the turntable 6, the mold is convenient to realize angle adjustment of the mold, so that the mold is convenient to be accurately placed on the mold changing table 2, the mounting precision of the mold is convenient to improve, and the mold mounting efficiency is improved; through drive gear 11 and rack 10 cooperation use, realized the accurate removal of retooling platform 2 in main automobile body 1 top side to realize accurate retooling, use through spacing groove 9 and spacing slider 12's cooperation simultaneously, realize carrying out spacing removal to retooling platform 2, guarantee that its condition that can not appear droing in main automobile body 1 top side has higher safety in utilization.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.