CN212469736U - Pouring trolley device with locking mechanism - Google Patents

Abstract

The utility model relates to a from pouring dolly device of taking locking mechanism, it belongs to machinery. The utility model discloses a dolly automobile body, dolly wheel, the tight device of case kayser and mounting platform, the dolly wheel is installed on the plane under the dolly automobile body, and dolly automobile body both sides are provided with mounting platform, and two last swages that are used for after the involution case, the tight device of case kayser that the swage locks down are controlled to installing setting respectively on the mounting platform. The utility model has the advantages of simple and reasonable design, safe and reliable, the operation is convenient with the maintenance, and low in labor strength easily realizes that iron mold closing box locking, elasticity of sand lined metal casting production line satisfy the user demand.

Description

Pouring trolley device with locking mechanism

Technical Field

The utility model relates to a device especially relates to a from pouring dolly device of taking locking mechanism, and it belongs to machinery.

Background

The sand-lined casting of the iron mold is a green, efficient and energy-saving casting production technology, becomes one of typical production processes for producing high-quality castings, and is widely applied in China. When the sand-lined metal mold casting is used for the production of nodular cast iron castings, the graphitization expansion characteristic in the solidification process of the nodular cast iron can be fully utilized, and riser-free casting is realized to obtain casting products with compact internal tissues. Due to the graphitized expansion characteristic of nodular cast iron, after the sand-lined iron mold is assembled, the upper iron mold and the lower iron mold need to be tightly locked through the box fastener, so as to prevent molten iron from leaking from the parting surfaces of the upper iron mold and the lower iron mold in the processes of pouring and filling the molten iron and subsequent solidification and cooling.

After the iron mold in the sand lined iron mold casting production line is closed, 2-4 iron mold box locking devices are generally needed to lock the upper iron mold and the lower iron mold. The box buckle is an iron-type box closing locking device which is manually placed at the corresponding locking position of an iron type and locked. The box buckle for sand lined metal mold production is very heavy due to the very large graphitization expansion force generated in the nodular cast iron solidification and cooling process, the positions of the box buckle for loading and unloading are far away in the sand lined metal mold casting production process, and the temperature of the pouring and cooling sections of the sand lined metal mold casting production line is high, so that the procedures of locking the box buckle, unloading the box buckle, carrying the box buckle and the like become one of the procedures with the highest labor intensity and the worst operation environment on the whole sand lined metal mold casting production line.

Referring to fig. 1-2, a conventional box clamp for sand lined metal mold casting is provided, in the actual production of the conventional sand lined metal mold casting, the box clamp is generally manually placed at the corresponding position of a box locking clamp of upper and lower iron molds which are closed, and then the box clamp is locked tightly, the whole box locking clamp, box unloading clamp and box clamp transportation generally need manual operation, the labor workload and the labor intensity are large, and the mechanization and automation level of the sand lined metal mold casting production is restricted.

A chinese patent publication No. 203076567U, published as 24.07/2013, discloses a utility model named "a casting cart". The top of the patent is a flat plate, two front wheels and two rear wheels are arranged below the flat plate, and the distance between the two front wheels is equal to the distance between the two rear wheels. The sand box is convenient to place on the flat plate at the top of the patent, the sand box is suitable for carrying sand boxes in automatic pouring production, the sand box is safe and efficient, but the sand box is moved to a pouring trolley, the sand box is locked, more labor-consuming gas is generated when the sand box is moved, the sand box is completely manually completed, and the pouring trolley is not provided with a locking mechanism, so that the sand box still has the defects.

For a mechanized and automated iron mold sand production line, the iron mold box-assembling locking device which is provided with a mechanical device to save box buckle carrying operation, reduce the labor intensity of production workers and is suitable for the operation of the mechanized and automated iron mold sand-lined casting production line is particularly necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design simple reasonable, safe and reliable, the operation is convenient with the maintenance, low in labor strength, easily realizes the iron mold closing box locking of sand-lined metal casting production line, the pouring dolly device from taking locking mechanism of elasticity.

The utility model provides a technical scheme that above-mentioned problem adopted is: this from pouring dolly device of taking locking mechanism, including dolly automobile body and dolly wheel, its characterized in that are installed to the plane under the dolly automobile body: the box locking device is characterized by further comprising a box locking device and a mounting platform, wherein the mounting platform is arranged on two sides of the trolley body, and the left box locking device and the right box locking device which are used for locking an upper iron mold and a lower iron mold after box assembling are respectively mounted on the mounting platform.

As preferred, case kayser tight device includes case card, locking screw, case card installation pole, a plurality of articulated connecting rod, push rod and push rod wheel, and the case card links to each other with case card installation pole activity, and case card installation pole is connected with a plurality of corresponding articulated connecting rods, and locking screw is installed on case card upper portion, and the push rod wheel is installed to the push rod lower part.

Preferably, the utility model also comprises a guide groove, and the push rod of the box card locking device moves in the guide groove; the guide grooves enable the two boxes on two sides of the trolley body to be clamped in the folding or opening process, and the two boxes are completely and synchronously folded or opened.

As preferred, tight device of case card lock still includes the fixed pin axle, and it has the round pinhole to open on the case card installation pole, and case card installation pole passes through fixed pin axle, round pinhole and is connected with corresponding articulated connecting rod.

As preferred, be provided with the guide bar in the case card installation pole, the case card slides from top to bottom through this guide bar.

As preferred, the utility model discloses in case cutting ferrule income case card installation pole, this case card moves about the case card installation pole, and case card installation pole lower part is equipped with the plane tang, and case card bottom contacts with this plane tang.

Preferably, mounting platform, case card installation pole and articulated connecting rod form polygon link mechanism.

Preferably, the utility model also comprises a connecting pin rod, and the box clamp mounting rods in the box clamp locking device are mounted on the left and right mounting platforms at the two sides of the trolley through the connecting pin rod; the box clamp mounting rod rotates by a certain angle by taking the connecting pin rod as a circle center.

Compared with the prior art, the utility model, have following advantage and effect: 1. the integral structure is simple and reasonable in design, safe and reliable, and a box clamping, pushing and pulling device and a locking and loosening device are arranged on the iron mold sand-lined foundry production line, so that the automatic locking and loosening actions of the iron mold in the iron mold pouring and solidifying processes of the iron mold sand-lined foundry production line can be realized; 2. the manual operation of carrying the box clamp is omitted, and the labor intensity of locking the iron-type box is greatly reduced; 3. the casting trolley has the advantages of simple structure, convenient maintenance, easy operation and good cooperativity with matched locking and loosening devices; 4. the mechanized and automatic operation of locking and tightness of the iron mold assembling box of the iron sand-lined casting production line is easy to realize.

Drawings

Fig. 1 is a schematic view of a lock iron type runner box buckle for common iron mold sand lining.

Fig. 2 is a schematic view of a lock iron type suspension shaft box buckle for sand lining of a common iron type.

Fig. 3 is a schematic view of the pouring cart device according to the embodiment of the present invention.

Fig. 4 is a schematic top view of the pouring carriage device according to the embodiment of the present invention.

Fig. 5 is a side view schematic structural diagram of the pouring trolley device of the embodiment of the utility model.

Fig. 6 is a front view structure diagram of the box clamp locking device in the pouring trolley device of the embodiment of the utility model.

Fig. 7 is a schematic top view of the box clamp locking device in the pouring carriage device according to the embodiment of the present invention.

Fig. 8 is a side view schematic structural diagram of a box clamp locking device in a pouring trolley device.

Fig. 9 is a schematic view showing a box lock locking operation process of the pouring truck device according to the embodiment of the present invention.

Fig. 10 is a schematic view of a box lock locking working process of the pouring trolley device according to the embodiment of the present invention.

Fig. 11 is a third schematic view of the box lock locking operation process of the pouring trolley device according to the embodiment of the present invention.

Fig. 12 is a fourth schematic view of the operation process of locking the box lock of the pouring truck device according to the embodiment of the present invention.

Fig. 13 is a schematic view showing a locking operation process of the box lock of the pouring truck device according to the embodiment of the present invention.

In the figure: the device comprises a trolley body 1, trolley wheels 2, a box lock locking device 3, a mounting platform 4, a guide groove 5 and a connecting pin rod 6; the box clamp 31, the locking screw 32, the box clamp mounting rod 33, the hinge connecting rod 34, the fixed pin shaft 35, the push rod 36, the push rod wheel 37, the guide rod 38 and the upper and lower iron molds A after box closing.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 3 to 13, the pouring trolley device with the locking mechanism of the embodiment includes a trolley body 1, trolley wheels 2, a box lock locking device 3 and a mounting platform 4, the trolley wheels 2 are mounted on the lower plane of the trolley body 1, the mounting platforms 4 are arranged on two sides of the trolley body 1, and the left and right box lock locking devices 3 for locking an upper iron mold and a lower iron mold after box combination are respectively mounted on the mounting platform 4.

Referring to fig. 3-5, the upper plane of the trolley body 1 can bear the upper and lower iron molds after the mould assembling; four trolley running wheels 2 are arranged on the lower plane of the trolley body 1, and the trolley can linearly run and move in the direction of a running track under the action of external force; mounting platforms 4 are arranged on two sides of the trolley body 1, and a left box lock locking device 3 and a right box lock locking device 3 can be respectively mounted and arranged and used for locking an upper iron mold and a lower iron mold after box combination; the box card locking device 3 is arranged on the left and right mounting platforms 4 at two sides of the trolley by the connecting pin rod 6, the push rod 36 of the box card locking device 3 can move back and forth in the guide groove 5 under the action of external force, so that the box card 31 in the box card locking device 3 is close to the central line direction of the trolley body until the box card 31 is attached to the running edge position needing to lock the iron mold, or the box card 31 in the box card locking device 3 is opened outwards towards the central line of the trolley, and the box card 31 in the box card locking device 3 is gradually separated from the running edge position needing to lock the iron mold. The guide groove 5 is used for ensuring that the two box clamps 31 on the two sides of the trolley are completely and synchronously folded or unfolded in the folding or unfolding process.

Referring to fig. 6 to 8, the case latch locking device 3 of the present embodiment includes a case latch 31, a locking screw 32, a case latch mounting lever 33, a plurality of hinge links 34, a fixing pin 35, a push rod 36, and a push rod wheel 37. The box clamp 31 is sleeved in the box clamp mounting rod 33 and moves up and down for a certain distance in the box clamp mounting rod, a plane spigot is arranged at the lower part of the box clamp mounting rod, the box clamp 31 stops at the plane spigot under the action of gravity, when the upper iron mold and the lower iron mold are not locked, the bottom of the box clamp 31 is contacted with the dead plane spigot, and the box clamp 31 is at the lowest position.

In this embodiment, one end of the box clamp mounting rod 33 is fixed to the mounting platform 4 through the connecting pin rod 6, and the box clamp mounting rod 33 can rotate by a certain angle with the connecting pin rod 6 as a circle center.

In this embodiment, the box clamp mounting rod 33 is provided with a round pin hole, and the box clamp mounting rod 33 is connected with the corresponding hinge connecting rod 34 through a fixed pin shaft 35 and the round pin hole; and then two hinged rods on one side of the trolley are connected together through a push rod 36, so that the mounting platform 4 on one side of the trolley, the two box clamp mounting rods 33 and the two hinged connecting rods 34 form a polygonal connecting rod structure, and the two box clamp mounting rods 33 completely and synchronously move forwards or move backwards by pushing the push rod 36 or pulling the push rod 36.

In the embodiment, the lower part of the push rod 36 is provided with a push rod wheel 37 to prevent the push rod 36 from being blocked in the pushing and pulling process; the upper part of the box clamp 31 is provided with a locking screw 32, and the locking screw 32 is rotated in the forward direction (clockwise) or in the reverse direction (anticlockwise), so that the distance between the lower plane of the locking screw 32 and the locking plane at the lower part of the box clamp 31 is shortened or lengthened, and the box clamp can be used for locking or unlocking the upper iron-type and the lower iron-type box. When the box clamp locking device 3 is pushed by the push rod 36, the box clamp 31 in the box clamp locking device reaches the locking positions of the upper and lower iron forms, the locking screw rod 32 is rotated, the lower plane of the locking screw rod 32 contacts with the upper locking plane (upper iron form runner upper plane) of the iron form, the lower locking plane of the box clamp 31 is rotated with the locking screw rod 32, the whole box clamp 31 slides and rises in the guide rod 38 in the box clamp mounting rod 33, the lower locking plane of the box clamp 31 rises along with the lower locking plane, the distance between the lower plane of the locking screw rod 32 of the box clamp 31 and the lower locking plane of the box clamp 31 is gradually shortened, and finally the upper and lower iron forms are locked.

The working process of the pouring trolley device in this embodiment is as shown in fig. 9-13, and firstly, the box loading and clamping operations are performed on the upper and lower iron molds a after the mold closing: in an initial state, the box card locking devices 3 on the two sides of the casting trolley are in a fully opened state; placing the upper and lower iron molds after the mold assembling on a casting trolley; after the upper and lower iron molds after being combined are placed on the casting trolley of the application document, a push rod 36 on box clamp locking devices 3 at two sides of the trolley body 1 is pushed to the central axis direction of the trolley body 1 by manpower or machinery vertical to the trolley body 1, so that the box clamp locking devices 3 are gradually closed until box clamps 31 in the box clamp locking devices 3 are completely contacted with the side surfaces of the running edges of the upper and lower iron molds; the contact between the box clamp 31 and the side surface of the iron-type runner is continuously kept, and the locking screw 32 is rotated forward (clockwise), so that the distance between the bottom surface of the screw and the upper plane of the upper iron-type runner is continuously reduced, and meanwhile, the distance between the lower plane of the locking screw 32 and the locking plane at the lower part of the box clamp 31 is also continuously reduced; until the lower plane of the locking screw rod 32 is completely contacted with the upper plane of the upper iron-type runner, the locking screw rod 32 continues to rotate, the lower plane of the locking screw rod 32 does not descend any more, and with the continuous rotation of the locking screw rod 32, the box clamp 31 integrally rises along the guide rod 38 in the box clamp mounting rod 33 until the lower locking plane of the box clamp 31 is contacted with the lower plane of the lower iron-type runner; at this time, the lower plane of the locking screw 32 in the box clamp 31 is contacted and attached with the upper plane of the upper iron-type runner, and the lower locking plane of the box clamp 31 is contacted and attached with the lower plane of the lower iron-type runner, so that the upper iron type and the lower iron type are completely locked. Then, the iron mold can be poured with molten iron, and after the pouring is completed and the molten iron in the iron mold casting mold is completely solidified, the operation of loosening the box clamp 31 can be performed, and the process is as follows: the locking screw 32 is rotated reversely (anticlockwise), the bottom plane of the locking screw 32 keeps still along with the rotation, the box clamp is continuously contacted with the upper plane of the iron-type runner, the whole box clamp slides downwards along the guide rod 38 in the box clamp mounting rod 33, the box clamp tightly locks the lower plane of the box clamp and moves downwards, the distance between the upper and lower locking planes of the box clamp 31 with the locking effect on the iron-type runner is gradually increased, when the distance between the upper and lower planes of the box clamp locking is larger than the iron-type locking distance (the distance between the upper plane of the upper iron-type runner and the lower plane of the lower iron-type runner), the box clamp 31 does not have the locking effect on the upper and lower iron-types any more, the locking screw is continuously rotated reversely (anticlockwise), the bottom plane of the locking screw 32 is continuously contacted with the upper plane of the upper iron-type runner, the whole box clamp continuously slides downwards in the guide rod 38 in the box clamp mounting rod 33, the locking lower plane of the box clamp 31 with the locking effect is gradually separated from the lower plane of the, the distance between the bottom plane of the locking screw 32 and the plane of the lower part of the lock of the box lock is continuously enlarged; when the box clamp continuously slides downwards along the guide rod 38 of the box clamp mounting rod 33 until the lower plane of the box clamp touches the lower plane spigot of the box clamp mounting rod 33, the whole box clamp is clamped and does not slide downwards; continuing to rotate the locking screw rod 32, the lower plane of the locking screw rod 32 rises upwards, and the plane is gradually separated from the upper plane of the upper iron type runner; after the lower plane of the locking screw 32 is separated from the upper plane of the upper iron-type runner by a certain distance, the push rods 36 on the box card locking devices 3 at two sides of the trolley body 1 are pulled outwards by manpower or machinery in a direction perpendicular to the trolley body 1 and opposite to the central axis of the trolley body 1, the multi-link mechanisms of the box card locking devices 3 at two sides of the trolley are driven to act, the box card locking devices 3 are gradually opened until the box card locking devices are completely separated from the side surface of the iron-type runner, the distance between the locking devices at two sides is larger than the width projection size of the iron-type, and then the iron-type can be lifted from the casting trolley.

The working principle of the pouring trolley device with the locking mechanism in the embodiment is as follows: the casting mold for sand-lined metal mold casting is generally formed by combining an upper iron mold and a lower iron mold; in the process of pouring and the subsequent process of solidifying and cooling the molten iron, the sand-lined iron mould generates a great box lifting force on the upper iron mould due to the static pressure of the molten iron and the expansion force of graphite during the solidification of the molten iron, so that the upper iron mould and the lower iron mould are tightly locked together by adopting a box clamp to prevent the molten iron from leaking out of the parting surfaces of the upper iron mould and the lower iron mould during the pouring and the solidifying and cooling processes.

The pouring trolley with the locking device is developed for realizing mechanization and automation of locking the upper and lower iron mold assembling boxes in the iron mold sand-lined casting production process. The working structure principle of the embodiment (see fig. 3-5): the box card locking devices 3 are respectively arranged on two sides of the trolley body 1, each side comprises two iron-type locking box cards 31, one ends of the two box cards 31 are directly connected to the trolley through connecting pins 6, and the two box cards 31 are connected together through a hinge link mechanism to form a complete link mechanism. By pushing and pulling the link mechanism, the box clamp 31 can be pushed into the iron-type locking region position or the box clamp 31 can be pulled out completely from the disengagement-type locking position (or completely out of the iron-type plane projection region).

In the embodiment, the pouring trolley for the mechanized and automated sand-lined iron mold casting production line is provided with the box clamp locking device 3 consisting of two groups of hinge connecting rods, the box clamp mechanism can enter an iron mold locking position area or leave the iron mold locking position area by pushing or pulling the in-and-out device of the device, and then the iron mold can be locked or loosened manually or mechanically.

The pouring trolley device is mainly used for a pouring section of a mechanized iron mold sand-lined casting production line, and a matched device for a box tightening clamp and a box loosening clamp is arranged at a molten iron pouring section, so that the upper iron mold and the lower iron mold after the upper iron mold and the lower iron mold are combined on the trolley can be locked before entering the pouring station, and enter a solidification cooling completion station to be loosened.

And will be apparent to those skilled in the art from the foregoing description.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (8)

1. The utility model provides a from pouring dolly device of taking locking mechanism, includes dolly automobile body and dolly wheel, the dolly wheel is installed on the plane under the dolly automobile body, its characterized in that: the box locking device is characterized by further comprising a box locking device and a mounting platform, wherein the mounting platform is arranged on two sides of the trolley body, and the left box locking device and the right box locking device which are used for locking an upper iron mold and a lower iron mold after box assembling are respectively mounted on the mounting platform.

2. The casting trolley device with the locking mechanism as claimed in claim 1, wherein: the box clamp locking device comprises a box clamp, a locking screw rod, a box clamp mounting rod, a plurality of hinged connecting rods, a push rod and a push rod wheel, the box clamp is movably connected with the box clamp mounting rod, the box clamp mounting rod is connected with the corresponding hinged connecting rods, the locking screw rod is mounted on the upper portion of the box clamp, and the push rod wheel is mounted on the lower portion of the push rod.

3. The pouring trolley device with the locking mechanism as claimed in claim 2, wherein: the box card locking device further comprises a guide groove, and a push rod of the box card locking device moves in the guide groove.

4. The pouring trolley device with the locking mechanism as claimed in claim 2, wherein: the box clamp locking device further comprises a fixed pin shaft, a round pin hole is formed in the box clamp mounting rod, and the box clamp mounting rod is connected with the corresponding hinged connecting rod through the fixed pin shaft and the round pin hole.

5. The pouring trolley device with the locking mechanism as claimed in claim 2, wherein: the box clamp mounting rod is internally provided with a guide rod, and the box clamp slides up and down through the guide rod.

6. The pouring trolley device with the locking mechanism as claimed in claim 2, wherein: the box clamp is sleeved in the box clamp mounting rod, the box clamp moves up and down in the box clamp mounting rod, a plane spigot is arranged at the lower part of the box clamp mounting rod, and the bottom of the box clamp is in contact with the plane spigot.

7. The pouring trolley device with the locking mechanism as claimed in claim 2, wherein: the mounting platform, the box clamp mounting rod and the hinged connecting rod form a polygonal connecting rod mechanism.

8. The pouring trolley device with the locking mechanism as claimed in claim 2, wherein: the box clamp installation rod is installed on the left and right installation platforms on the two sides of the trolley body through the connection pin rod.

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