阅读说明：本技术 一种砂箱万向传送小车 (Universal conveying trolley for sand boxes ) 是由 邱仲华 钱根荣 尹士文 于 2021-08-20 设计创作，主要内容包括：本发明提供了一种砂箱万向传送小车,包括车本体与安装在所述车本体顶部的平行传动机构和垂直传动机构,所述平行传动机构与垂直传动机构交替均布在车本体顶部,所述平行传动机构与垂直传动机构传动连接有传动装置,所述车本体顶部相邻两侧设有收缩机构,所述车本体另两侧设有挡板,所述车本体上设有可带动车本体上部转动的万向转盘。本发明具有如下有益效果：通过平行传动机构与垂直传动机构配合万向转盘使用,其解决了现有的传送小车中存在的只能向一个方向传送砂型,无法实现多角度多方向的砂型传输的技术问题,使得传送小车能控制砂型以最适合的方向与角度进入下一条输送带。(The invention provides a universal sand box conveying trolley which comprises a trolley body, and a parallel transmission mechanism and a vertical transmission mechanism which are arranged on the top of the trolley body, wherein the parallel transmission mechanism and the vertical transmission mechanism are alternately and uniformly distributed on the top of the trolley body, the parallel transmission mechanism and the vertical transmission mechanism are in transmission connection with a transmission device, two adjacent sides of the top of the trolley body are provided with contraction mechanisms, the other two sides of the trolley body are provided with baffles, and the trolley body is provided with a universal turntable capable of driving the upper part of the trolley body to rotate. The invention has the following beneficial effects: the parallel transmission mechanism and the vertical transmission mechanism are matched with the universal rotary table for use, so that the technical problems that the sand mold can only be transmitted to one direction and multi-angle and multi-direction sand mold transmission cannot be realized in the conventional conveying trolley are solved, and the conveying trolley can control the sand mold to enter the next conveying belt in the most suitable direction and angle.)

1. The utility model provides a universal conveying dolly of sand box which characterized in that: the novel trolley is characterized by comprising a trolley body, a parallel transmission mechanism and a vertical transmission mechanism, wherein the parallel transmission mechanism and the vertical transmission mechanism are alternately and uniformly distributed at the top of the trolley body, the parallel transmission mechanism and the vertical transmission mechanism are in transmission connection with a transmission device, two adjacent sides of the top of the trolley body are provided with contraction mechanisms, the other two sides of the trolley body are provided with baffles, and the trolley body is provided with a universal turntable capable of driving the upper part of the trolley body to rotate.

2. The universal transfer trolley for sand boxes according to claim 1, wherein: the parallel transmission mechanism comprises a parallel transmission rod and a transmission ball body arranged on the parallel transmission rod in a penetrating mode, and the parallel transmission rod is in transmission connection with a transmission device.

3. The universal transfer trolley for sand boxes according to claim 2, wherein: the vertical transmission mechanism comprises a fixed rod, a transmission ball body penetrating through the fixed rod and a vertical transmission rod in transmission connection with the fixed rod, the vertical transmission rod is parallel to the parallel transmission rod, the vertical transmission rod is in transmission connection with the transmission device, cross rods are arranged on two sides of the vertical transmission mechanism on the top of the vehicle body, and the fixed rods are installed on the cross rods.

4. The universal transfer trolley for sand boxes according to claim 3, wherein: the transmission device comprises a transmission motor, a driving belt wheel in transmission connection with the transmission motor and driven belt wheels arranged on the parallel transmission rod and the vertical transmission rod, and the driving belt wheel and all the driven belt wheels are connected through synchronous belts.

5. The universal transfer trolley for sand boxes according to claim 4, wherein: the transmission device connected with the parallel transmission mechanism and the transmission device connected with the vertical transmission mechanism are two transmission devices, and the transmission motors of the two transmission devices are respectively arranged at the two sides of the vehicle body.

6. The universal transfer trolley for sand boxes according to claim 4, wherein: the transmission device that parallel drive mechanism and perpendicular drive mechanism are connected is a transmission device, the transmission motor transmission is connected with a gearshift, be equipped with two passive poles on the gearshift, and every fixed driving pulley on the passive pole, two driving pulley connects the passive pulley on perpendicular transfer line and the parallel transfer line respectively.

7. The universal transfer trolley for sand boxes according to claim 1, wherein: the contraction mechanism comprises a contraction plate hinged to the top of the vehicle body and a contraction cylinder connected with the vehicle body and the contraction plate, the contraction plate is L-shaped, and the bent part of the contraction plate is hinged to the vehicle body; two ends of the contraction cylinder are hinged with the vehicle body and the contraction plate respectively to form a triangular structure.

8. The universal transfer trolley for sand boxes according to claim 1, wherein: the car body comprises an upper car body and a lower car body, the upper car body is connected with the lower car body through a universal turntable, and the overlooking structure of the upper car body and the lower car body is rectangular.

9. The universal transfer trolley for sand boxes according to claim 8, wherein: the universal turntable comprises a steering motor and a rotating disc, the steering motor is mounted on the lower vehicle body, the rotating disc is connected to the steering motor in a transmission mode, a rotating bearing is arranged between the steering motor and the rotating disc, and the upper vehicle body is fixed on the rotating disc.

10. The universal transfer cart for sand boxes according to claim 9, wherein: the rotating disc is circular, and the diameter of the rotating disc is smaller than or equal to the width of the upper vehicle body and the width of the lower vehicle body.

Technical Field

The invention relates to the technical field of sand casting equipment, in particular to a universal conveying trolley for a sand box.

Background

The sand casting is a casting method for producing castings in sand, steel, iron and most nonferrous alloy castings can be obtained by the sand casting method, and the molding materials used for sand casting are cheap and easy to obtain, the casting mold is simple to manufacture, and the casting mold is suitable for single-piece production, batch production and mass production of the castings.

In the prior art, when a casting is cast by using a sand mold, a template is placed between an upper sand box and a lower sand box, the sand mold is added into the sand box, then a molding machine is used for compacting the sand mold by using a pressing plate, after the compacted sand mold is taken out, a solution is filled into the compacted sand mold, and after the solution is solidified and an outer sand mold is removed, a casting is manufactured. After the sand mold is manufactured, the sand mold to be cast is placed on the trolley and conveyed to the casting area, and the sand mold after casting needs to be conveyed out of the casting area. The existing design usually adopts two groups of conveying belts, one conveying belt is responsible for conveying the sand mould to be cast to a casting area, and the sand mould is conveyed to the other conveying belt through a conveying trolley after casting is finished.

Traditional conveying trolley can only convey the sand mould to one direction, can't realize multi-angle multi-direction sand mould transmission.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a sand box universal conveying trolley, which solves the technical problems that the sand mould can be conveyed only in one direction and multi-angle and multi-direction sand mould transmission cannot be realized in the conventional conveying trolley.

The universal sand box conveying trolley comprises a trolley body, and a parallel transmission mechanism and a vertical transmission mechanism which are arranged on the top of the trolley body, wherein the parallel transmission mechanism and the vertical transmission mechanism are alternately and uniformly distributed on the top of the trolley body, the parallel transmission mechanism and the vertical transmission mechanism are in transmission connection with a transmission device, two adjacent sides of the top of the trolley body are provided with contraction mechanisms, the other two sides of the trolley body are provided with baffles, and the trolley body is provided with a universal turntable capable of driving the upper part of the trolley body to rotate.

Furthermore, the parallel transmission mechanism comprises a parallel transmission rod and a transmission ball body arranged on the parallel transmission rod in a penetrating mode, and the parallel transmission rod is in transmission connection with the transmission device.

Furthermore, the vertical transmission mechanism comprises a fixed rod, a transmission ball body penetrating through the fixed rod and a vertical transmission rod in transmission connection with the fixed rod, the vertical transmission rod is parallel to the parallel transmission rod, the vertical transmission rod is in transmission connection with the transmission device, cross rods are arranged on two sides of the vertical transmission mechanism on the top of the vehicle body, and the fixed rods are installed on the cross rods.

Furthermore, the transmission device comprises a transmission motor, a driving belt wheel in transmission connection with the transmission motor and driven belt wheels arranged on the parallel transmission rod and the vertical transmission rod, and the driving belt wheel and all the driven belt wheels are connected by synchronous belts.

Furthermore, the transmission device connected with the parallel transmission mechanism and the transmission device connected with the vertical transmission mechanism are two transmission devices, and the transmission motors of the two transmission devices are respectively arranged at the two sides of the vehicle body.

Furthermore, the transmission device for connecting the parallel transmission mechanism with the vertical transmission mechanism is a transmission device, the transmission motor is in transmission connection with a gear shifting mechanism, two driven rods are arranged on the gear shifting mechanism, each driven rod is fixedly provided with a driving belt wheel, and the two driving belt wheels are respectively connected with the vertical transmission rod and the driven belt wheel on the parallel transmission rod.

Furthermore, the contraction mechanism comprises a contraction plate hinged to the top of the vehicle body and a contraction cylinder connected with the vehicle body and the contraction plate, the contraction plate is L-shaped, and the bending part of the contraction plate is hinged to the vehicle body; two ends of the contraction cylinder are hinged with the vehicle body and the contraction plate respectively to form a triangular structure.

Further, the car body includes automobile body and lower automobile body, go up the automobile body and pass through universal carousel with lower automobile body and be connected, it overlooks the structure with lower automobile body and is the rectangle to go up the automobile body.

Furthermore, the universal rotary table comprises a steering motor and a rotary disc, the steering motor is mounted on the lower vehicle body, the rotary disc is connected to the steering motor in a transmission mode, a rotary bearing is arranged between the steering motor and the rotary disc, and the upper vehicle body is fixed to the rotary disc.

Furthermore, the rotating disc is circular, and the diameter of the rotating disc is smaller than or equal to the width of the upper vehicle body and the width of the lower vehicle body.

The technical principle of the invention is as follows: the conveying of two directions of sand mould is realized to adopt parallel drive mechanism and perpendicular drive mechanism, and the universal carousel of cooperation bottom realizes the conveying of arbitrary angle, has realized the direction that the control sand mould got into the conveyer belt simultaneously, and baffle and shrink mechanism for the condition that the sand mould can not appear dropping when transporting.

Compared with the prior art, the invention has the following beneficial effects: the parallel transmission mechanism and the vertical transmission mechanism are matched with the universal rotary table for use, so that the technical problems that the sand mold can only be transmitted to one direction and multi-angle and multi-direction sand mold transmission cannot be realized in the conventional conveying trolley are solved, and the conveying trolley can control the sand mold to enter the next conveying belt in the most suitable direction and angle.

Drawings

FIG. 1 is a schematic structural view of a flask universal-joint transfer cart according to embodiment 1 of the present invention.

FIG. 2 is a plan view of the flask-universal conveying trolley according to embodiment 1 of the invention.

Fig. 3 is a schematic structural view of a parallel transmission mechanism according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a vertical drive mechanism according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of the retracting mechanism according to embodiments 1 to 2 of the present invention.

Fig. 6 is a schematic structural view of a transmission device according to embodiment 2 of the present invention.

In the above drawings: 100. a vehicle body; 101. a baffle plate; 102. conveying the ball; 103. a cross bar; 110. a parallel transmission mechanism; 111. a parallel transmission rod; 120. a vertical transmission mechanism; 121. fixing the rod; 122. a vertical transmission rod; 130. an upper vehicle body; 140. a lower vehicle body; 200. a transmission device; 210. a drive motor; 220. a driving pulley; 230. a passive pulley; 240. a synchronous belt; 250. a gear shift mechanism; 251. a passive rod; 300. a retracting mechanism; 310. a shrink plate; 320. a contracting cylinder; 400. a universal turntable; 410. a steering motor; 420. rotating the disc; 430. and rotating the bearing.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

Example 1

The universal sand box conveying trolley shown in fig. 1-2 comprises a trolley body 100, and a parallel transmission mechanism 110 and a vertical transmission mechanism 120 which are installed on the top of the trolley body 100, wherein the parallel transmission mechanism 110 and the vertical transmission mechanism 120 are alternately and uniformly distributed on the top of the trolley body 100, the parallel transmission mechanism 110 and the vertical transmission mechanism 120 are in transmission connection with a transmission device 200, two adjacent sides of the top of the trolley body 100 are provided with contraction mechanisms 300, the other two sides of the trolley body 100 are fixedly welded with baffle plates 101, and the trolley body 100 is provided with a universal turntable 400 which can drive the upper part of the trolley body 100 to rotate.

As shown in fig. 2-3, the parallel transmission mechanism 110 includes a parallel transmission rod 111 and a transmission sphere 102 penetrating the parallel transmission rod 111, two ends of the parallel transmission rod 111 are mounted on the vehicle body 100 by using bearings with seats, and the parallel transmission rod 111 is in transmission connection with the transmission device 200.

As shown in fig. 2 and 4, the vertical transmission mechanism 120 includes a fixing rod 121, a transmission sphere 102 penetrating through the fixing rod 121, and a vertical transmission rod 122 connected to the fixing rod 121 by a bevel gear, the vertical transmission rod 122 is parallel to the parallel transmission rod 111 and is also mounted on the vehicle body 100 by a bearing with a seat, the vertical transmission rod 122 is in transmission connection with the transmission device 200, the two sides of the vertical transmission mechanism 120 on the top of the vehicle body 100 are welded and fixed with a cross rod 103, and the fixing rods 121 are mounted on the cross rod 103 by the bearing with a seat.

As shown in fig. 2-4, the transmission device 200 includes a transmission motor 210, a driving pulley 220 drivingly connected to the transmission motor 210, and driven pulleys 230 splined to the parallel transmission rod 111 and the vertical transmission rod 122, wherein the driving pulley 220 is connected to all the driven pulleys 230 by a timing belt 240, so that the transmission motor 210 can drive the parallel transmission rod 111 or the vertical transmission rod 122 to rotate.

As shown in fig. 2 to 4, the transmission 200 connected to the parallel transmission mechanism 110 and the transmission 200 connected to the vertical transmission mechanism 120 are two transmissions 200, and the transmission motors 210 of the two transmissions 200 are respectively disposed at two side positions of the vehicle body 100.

As shown in fig. 2 and 5, the contraction mechanism 300 includes a contraction plate 310 hinged to the top of the vehicle body 100 and a contraction cylinder 320 connecting the vehicle body 100 and the contraction plate 310, the contraction plate 310 is L-shaped, and the bending part of the contraction plate 310 is hinged to the vehicle body 100 through a pin; the two ends of the contraction cylinder 320 are hinged with the trolley body 100 and the contraction plate 310 through pin shafts respectively to form a triangular structure, when the contraction cylinder 320 extends out, the contraction plate 310 rises to block the sand mould, and when the contraction cylinder 320 retracts, the contraction plate 310 turns down, so that the sand mould can be conveniently conveyed out of the conveying trolley.

As shown in fig. 1, the vehicle body 100 includes an upper vehicle body 130 and a lower vehicle body 140, the upper vehicle body 130 and the lower vehicle body 140 are connected by a universal turntable 400, wherein the universal turntable 400 includes a steering motor 410 and a rotary disc 420, the steering motor 410 is mounted on the lower vehicle body 140 by bolts, the rotary disc 420 is connected to the steering motor 410 by a key, a rotary bearing 430 is disposed between the steering motor 410 and the rotary disc 420, the bottom of the specific rotary bearing 430 is fixed to the lower vehicle body by being closely attached to the lower vehicle body, so as to support the rotary disc 420, and the upper vehicle body 130 is welded and fixed to the rotary disc 420, so that the rotary disc 420 can control the upper vehicle body 130 to rotate.

As shown in fig. 1, the upper body 130 and the lower body 140 have a rectangular top view structure, the rotating disc 420 has a circular shape, and the diameter of the rotating disc 420 is less than or equal to the width of the upper body 130 and the lower body 140, so that the rotating disc 420 does not interfere with the conveyer belt when the sand mold is received and transferred by the carrier.

Example 2

As shown in fig. 6, the present embodiment is different from embodiment 1 in that: the transmission device 200 of the parallel transmission mechanism 110 connected with the vertical transmission mechanism 120 is a transmission device 200, the transmission motor 210 is connected with a gear shift mechanism 250 in a transmission manner, two passive rods 251 are arranged on the gear shift mechanism 250, one passive rod 251 can be controlled to rotate through gear shifting, a driving pulley 220 is fixed on each passive rod 251 in a key manner, the two driving pulleys 220 are respectively connected with the passive pulleys 230 on the parallel transmission rod 111 of the vertical transmission rod 122, and transmission on the vertical transmission rod 122 or the parallel transmission rod 111 is realized through the gear shift mechanism 250.

When in use:

carrying: firstly, judging whether two side edges of the vehicle body 100 provided with the contraction mechanism 300 are parallel or vertical to a transmission belt, if not, firstly controlling the upper vehicle body 130 to rotate to be parallel or vertical to the transmission belt through the steering motor 410, moving the vehicle body 100 to one side of the transmission belt through a roller at the bottom, then contracting the contraction cylinder 320 close to one side of the transmission belt, turning down the contraction plate 310, then conveying the sand mold to a conveying trolley, and then contracting and resetting.

Carrying: after the car body 100 is conveyed to one side of the other conveying belt by the rollers at the bottom, and leaves the previous conveying belt, whether the two sides of the car body 100 provided with the contraction mechanism 300 are parallel or vertical to the conveying belt is judged, if not, the upper car body 130 is controlled by the steering motor 410 to rotate to be parallel or vertical to the conveying belt, and then moves to one side of the conveying belt.

And (3) transmission: the contraction cylinder 320 near one side of the conveying belt contracts to enable the contraction plate 310 to turn down, then judges whether the side is the vertical transmission mechanism 120 or the parallel transmission mechanism 110, and then starts the corresponding transmission device 200 to push the sand mold out onto the conveying belt.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.