CN211679980U

CN211679980U - Sand mold traction device for molding machine

Info

Publication number: CN211679980U
Application number: CN202020192641.2U
Authority: CN
Inventors: 程立中
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-10-16
Anticipated expiration: 2030-02-21

Abstract

The utility model provides a sand mould draw gear for molding machine belongs to mechanical technical field. It has solved the poor problem of current sand mould transport stability. This sand mould draw gear for molding machine includes the frame that a plurality of was arranged into a line, each frame top all has the supporting baseplate that the level set up, each supporting baseplate end to end is arranged into a line, each frame in middle part and terminal frame all have the support piece that is located supporting baseplate both sides separately, each frame in middle part and terminal frame both sides all have and are located corresponding support piece and connect into an organic whole draft arm, be equipped with the limit structure who makes the draft arm keep on support piece on the draft arm, the inner wall that both sides draft arm is relative all has splint, all linked firmly the cylinder with the splint one-to-one on the draft arm of both sides, the piston rod of each cylinder passes corresponding draft arm and is connected with corresponding splint, be equipped with the actuating mechanism who drives both sides draft arm and do reciprocating motion in at least one frame. The utility model has the advantages of sand mould transport stability is good.

Description

Sand mold traction device for molding machine

Technical Field

The utility model belongs to the technical field of machinery, a molding machine is related to, in particular to sand mould draw gear for molding machine.

Background

The molding machine is a casting apparatus for manufacturing sand molds, and its main functions are: filling sand, namely filling the loose sand mold into a sand box; compacting the sand mold, wherein the loose sand mold in the sand box is compacted through different methods such as jolt ramming, jolt pressing, injection pressing and the like, so that the sand mold has necessary strength in the process of carrying and pouring; and (4) stripping, namely taking out the pattern from the compact sand mold by using different mechanisms.

The sand mold manufacturing is a central link of a molding machine, the mold is manually filled and replaced in the past, and the automatic molding machine is adopted for operation at present, so that time and labor are saved. At present, the sand mould after tight reality can be pushed away to the assembly line by the push pedal that cylinder or hydro-cylinder drove and carry, the assembly line includes the frame, be equipped with conveyer belt and many rollers in the frame, it is rotatory that the motor drives the foremost roller, thereby make the conveyer belt rotate, but the roller interval sets up and to make the conveyer belt not level and smooth enough, sand mould on the conveyer belt is at every process roller, will receive certain vibration influence, and the conveyer belt is incessantly pivoted, the sand mould has just been placed on the conveyer belt or when just leaving the conveyer belt, the inertia of conveyer belt causes sand mould bottom deformation easily, consequently, there is deformation or the probability of damaging in the transport of present sand mould high, transport stability.

Disclosure of Invention

The utility model aims at providing a sand mould draw gear for molding machine that transport stability is good to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a sand mould traction device for a molding machine comprises a plurality of machine frames which are arranged in a row, wherein the top of each machine frame is provided with a horizontally arranged supporting bottom plate, the supporting bottom plates are connected end to end and are arranged in a row, the machine frame at the head end is a sand inlet mould end for sand moulds to enter, the machine frame at the tail end is a sand outlet mould end for sand moulds to go out, it is characterized in that each middle frame and each tail end frame are respectively provided with a supporting piece positioned at two sides of the respective supporting bottom plate, each middle frame and each tail end frame are respectively provided with a traction arm positioned on the corresponding supporting piece and connected into a whole, the traction arm is provided with a limiting structure which enables the traction arm to be kept on the supporting piece, the inner walls of the two sides of the traction arm opposite to each other are provided with clamping plates, the two sides of the traction arm are fixedly connected with air cylinders which correspond to the clamping plates one by one, piston rods of the air cylinders penetrate through the corresponding traction arms and are connected with the corresponding clamping plates, and at least one rack is provided with a driving mechanism which drives the two sides of the traction arms to do reciprocating motion back and forth.

In the sand mold traction device for the molding machine, the supporting pieces are riding wheels, the riding wheels are provided with coaxially arranged connecting rods in a penetrating way, and the connecting rods are fixedly connected to the corresponding supporting bottom plates.

In the sand mold traction device for the molding machine, the limiting structure comprises a plurality of limiting frames which are U-shaped and uniformly distributed at intervals, the middle parts of the limiting frames are positioned at the bottom of the supporting bottom plate, and the two ends of each limiting frame are connected with connecting rods which are fixedly connected to the corresponding traction arms. The limiting frame enables the traction arm not to be expanded outwards or inclined inwards, and the traction arm is guaranteed to be located on the supporting piece all the time, so that the working stability is good.

In foretell sand mould draw gear for molding machine, the middle part of the draft arm outer wall of middle part frame has all linked firmly the connecting rod, and a spacing corresponds two draft arm settings. The structure steadiness is good like this, and the trailing arm job stabilization.

In the sand mold traction device for the molding machine, the air cylinders correspond to the connecting rods one to one and are fixedly connected to the corresponding connecting rods, and the piston rods of the air cylinders penetrate through the corresponding connecting rods and are connected with the corresponding clamping plates. The structure is compact, and the cylinder is convenient to connect.

As another aspect, in the sand mold traction device for a molding machine, the limiting structure includes a sliding groove formed at the bottom of the traction arm, and the support member is a sliding rail into which the sliding groove is inserted. The sliding groove is matched with the sliding rail, the traction arm cannot topple, and the traction arm moves in a reciprocating mode along the sliding rail, so that the work is smooth.

In the sand mold traction device for the molding machine, the support base plate is provided with a plurality of stainless steel bars which are uniformly distributed at intervals, the stainless steel bars are arranged end to end in the arrangement direction of the frames, and the clamping plates are stainless steel plates.

In the sand mold traction device for the molding machine, the driving mechanism is arranged on the tail end frame and comprises at least two guide rods which are fixedly connected with the tail end frame, a sliding block fixedly connected with a traction arm on the tail end frame is sleeved on the guide rods, an oil cylinder is fixedly connected on the sliding block, and a piston rod of the oil cylinder is fixedly connected with the tail end frame.

Compared with the prior art, the static supporting bottom plate in the sand mold traction device for the molding machine cannot cause deformation of the bottom of the sand mold, the sand mold cannot be influenced by vibration, the sand mold cannot be damaged, and the conveying stability is good.

Drawings

Fig. 1 is a perspective view of a sand mold pulling apparatus for molding machine.

Fig. 2 is a side view showing the structure of the sand mold pulling apparatus for molding machine.

Fig. 3 is a structural bottom view of the sand mold pulling device for the molding machine.

Fig. 4 is a structural sectional view of the sand mold pulling apparatus for molding machine.

Fig. 5 is a perspective view of a middle frame of the sand mold pulling device for the molding machine.

Fig. 6 is a perspective view of the end frame of the sand mold pulling apparatus for the molding machine.

In the figure, 1, a frame; 2. a support base plate; 3. a traction arm; 4. a splint; 5. a cylinder; 6. a riding wheel; 7. a connecting rod; 8. a limiting frame; 9. a connecting rod; 10. a stainless steel strip; 11. a guide bar; 12. a slider; 13. and an oil cylinder.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 5 and 6, the sand mold traction device for the molding machine comprises seven racks 1 arranged in a row, wherein the top of each rack 1 is provided with a horizontally arranged supporting bottom plate 2, the supporting bottom plates 2 are connected end to end and arranged in a row, the rack 1 at the head end is a sand mold inlet end for sand molds to enter, the rack 1 at the tail end is a sand mold outlet end for sand molds to go out, each rack 1 at the middle part and each rack 1 at the tail end are provided with supporting parts positioned at two sides of the respective supporting bottom plate 2, both sides of each rack 1 at the middle part and each rack 1 at the tail end are provided with traction arms 3 positioned on the corresponding supporting parts and connected into a whole, the adjacent traction arms 3 are connected into a whole through steel plates (one half of the steel plates is fastened on the outer wall of the front traction arm 3 through screws, the other half of the steel plates is fastened on the outer wall of the rear traction arm 3 through screws), the, the inner wall that both sides draft arm 3 is relative all has splint 4, all links firmly the cylinder 5 with splint 4 one-to-one on the draft arm 3 of both sides, and the piston rod of each cylinder 5 passes corresponding draft arm 3 and is connected with corresponding splint 4, is equipped with the actuating mechanism who drives draft arm 3 of both sides and do reciprocating motion back and forth on at least one frame 1.

In the sand mold traction device for the molding machine, a supporting bottom plate 2 of a head end frame 1 extends to the molding machine, sand molds are pushed by a sand mold pushing mechanism (a push plate is driven by an air cylinder 5 to move) of the molding machine, the supporting bottom plate 2 of the head end frame 1 is pushed to a supporting bottom plate 2 of a second frame 1, then the air cylinders 5 synchronously work to enable corresponding clamping plates 4 to approach each other and clamp the sand molds on the second frame 1, a driving mechanism works to enable two side traction arms 3 to move towards a tail end frame 1, the clamping plates 4 clamp the sand molds on the second frame 1 to move towards the tail end frame 1, then the air cylinders 5 drive the corresponding clamping plates 4 to reset, the driving mechanism drives the two side traction arms 3 to move towards the head end frame 1, at the moment, new sand molds are positioned on the supporting bottom plate 2 of the second frame 1, then the air cylinders 5 synchronously work again to enable the clamping, actuating mechanism once more works, so circulate, realize the removal of each sand mould on each supporting baseplate 2, go out in order to get into next process from the supporting baseplate 2 of terminal frame 1 until the sand mould, above-mentioned in-process, the displacement of sand mould on supporting baseplate 2 can not damaged, and static supporting baseplate 2 can not cause sand mould bottom deformation, and sand mould transport stability is good.

In further detail, as shown in fig. 4 and 5, the supporting members in this embodiment are supporting rollers 6, each supporting roller 6 is provided with a coaxially arranged connecting rod 7 in a penetrating manner, and the connecting rods 7 are fixedly connected to the corresponding supporting base plate 2. The riding wheel 6 rolls, so that the friction force and the abrasion are reduced, and the traction arm 3 can smoothly reciprocate on the riding wheel 6.

Spacing structure includes that a plurality of is the spacing 8 of U-shaped and interval equipartition, the middle part of each spacing 8 all is located 2 bottoms of supporting baseplate, the both ends of each spacing 8 all are connected with and link firmly in the connecting rod 9 that corresponds on the draft arm 3, the middle part of the 3 outer walls of draft arm of middle part frame 1 has all linked firmly connecting rod 9 in this embodiment, a spacing 8 corresponds two draft arm 3 settings, cylinder 5 links firmly on the connecting rod 9 that corresponds with connecting rod 9 one-to-one and cylinder 5, the piston rod of cylinder 5 passes the connecting rod 9 that corresponds and is connected with the splint 4 that corresponds. The supporting bottom plate 2 is provided with a plurality of stainless steel strips 10 which are uniformly distributed at intervals, each stainless steel strip 10 is arranged end to end in the arrangement direction of each rack 1, the clamping plates 4 are stainless steel plates, the contact area between each stainless steel strip 10 and the bottom of the sand mold is small, the bottom of the sand mold can not be adhered and damaged, and the stainless steel strips 10 and the stainless steel plates are long in service life.

On actuating mechanism located terminal frame 1, actuating mechanism included that four parallel arrangement's that link firmly have guide arm 11 on terminal frame 1, and the cover is equipped with the slider 12 that links firmly mutually with trailing arm 3 on terminal frame 1 on the guide arm 11, has linked firmly hydro-cylinder 13 on the slider 12, and the piston rod of hydro-cylinder 13 links firmly mutually with terminal frame 1. The arrangement is convenient, the piston rod of the oil cylinder 13 stretches and retracts to drive the sliding block 12 to reciprocate on the guide rod 11, and the sliding block 12 drives the traction arm 3 on the tail end rack 1 and other traction arms 3 to reciprocate together.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A sand mold traction device for a molding machine comprises a plurality of machine frames (1) which are arranged in a line, wherein the top of each machine frame (1) is provided with a supporting bottom plate (2) which is horizontally arranged, each supporting bottom plate (2) is connected end to end and is arranged in a line, the machine frame (1) at the head end is a sand mold inlet end for sand molds to enter, and the machine frame (1) at the tail end is a sand mold outlet end for sand molds to go out, the sand mold traction device is characterized in that each machine frame (1) at the middle part and each machine frame (1) at the tail end are provided with supporting pieces which are respectively arranged at two sides of the supporting bottom plate (2), both sides of each machine frame (1) at the middle part and each machine frame (1) at the tail end are provided with traction arms (3) which are respectively arranged on the corresponding supporting pieces and are connected into a whole, the traction arms (3) at the two sides are provided with limiting structures which enable the traction arms (3) to be kept on the supporting pieces, the inner walls (3, the piston rod of each cylinder (5) passes through the corresponding traction arm (3) and is connected with the corresponding clamping plate (4), and a driving mechanism for driving the traction arms (3) at the two sides to do reciprocating motion is arranged on at least one frame (1).

2. A sand mold pulling apparatus for a molding machine according to claim 1, wherein the supporting members are supporting rollers (6), each supporting roller (6) is provided with a coaxially arranged connecting rod (7) in a penetrating manner, and the connecting rods (7) are fixedly connected to the corresponding supporting base plates (2).

3. A sand mold traction apparatus for a molding machine according to claim 2, wherein the limiting structure comprises a plurality of U-shaped limiting frames (8) uniformly distributed at intervals, the middle part of each limiting frame (8) is located at the bottom of the supporting base plate (2), and both ends of each limiting frame (8) are connected with connecting rods (9) fixedly connected to the corresponding traction arms (3).

4. A sand mold draft gear for molding machine according to claim 3, wherein the middle part of the outer wall of the draft arm (3) of the middle frame (1) is fixedly connected with a connecting rod (9), and one limit bracket (8) is arranged corresponding to the two draft arms (3).

5. A sand mould traction apparatus for a molding machine according to claim 4, wherein the cylinders (5) correspond to the connecting rods (9) one by one and the cylinders (5) are fixedly connected to the corresponding connecting rods (9), and piston rods of the cylinders (5) pass through the corresponding connecting rods (9) and are connected to the corresponding clamping plates (4).

6. A sand mold draft gear for molding machine according to claim 1, wherein said limit structure comprises a slide groove provided at the bottom of the draft arm (3), and said support member is a slide rail for the slide groove to be engaged.

7. A sand mold traction apparatus for a molding machine according to any one of claims 1 to 6, wherein the supporting base plate (2) is provided with a plurality of stainless steel bars (10) uniformly distributed at intervals, the stainless steel bars (10) are arranged end to end in the arrangement direction of the frames (1), and the clamping plates (4) are stainless steel plates.

8. A sand mold traction device for a molding machine according to any one of claims 1 to 6, wherein the driving mechanism is arranged on the tail end frame (1), the driving mechanism comprises at least two guide rods (11) which are arranged in parallel and fixedly connected to the tail end frame (1), a sliding block (12) which is fixedly connected with the traction arm (3) on the tail end frame (1) is sleeved on the guide rods (11), an oil cylinder (13) is fixedly connected to the sliding block (12), and a piston rod of the oil cylinder (13) is fixedly connected with the tail end frame (1).