CN212945320U

CN212945320U - Box turnover machine

Info

Publication number: CN212945320U
Application number: CN202021403420.1U
Authority: CN
Inventors: 唐宇; 许顺; 刘杲; 鲜其祥
Original assignee: Sichuan Chuanjian Pipes Co ltd
Current assignee: Sichuan Chuanjian Pipes Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-13
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a box turnover machine, which comprises a U-shaped base and a U-shaped placing rack, wherein the U-shaped placing rack is rotatably arranged on the U-shaped base, the left end part and the right end part of the U-shaped placing rack are provided with rotating shafts, the left end and the right end of the U-shaped base are provided with sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding way, the sliding blocks extend out of the sliding grooves, the sliding blocks are provided with mounting holes, and the rotating shafts are rotatably arranged in; the driving devices are connected to the sliding blocks arranged at the left end and the right end of the U-shaped base and can drive the sliding blocks to move upwards or downwards; a supporting platform is arranged on the U-shaped base, and after the driving device drives the sliding block to move downwards, the bottom of the U-shaped placing frame can be in contact with the supporting platform. The utility model discloses not only can realize the purpose of the drawing of patterns of turning over the case during use, simultaneously, can also carry out the purpose of sand, go up core and vibration compaction, it is more convenient when using, labour saving and time saving.

Description

Box turnover machine

Technical Field

The utility model relates to a casting auxiliary assembly technical field, concretely relates to box turnover machine.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. Casting is a method in which liquid metal is cast into a casting cavity that conforms to the shape of a part, and after it is cooled and solidified, a part or a blank is obtained. The casting material is mostly metal (such as copper, iron, aluminum, tin, lead, etc.) which is originally solid but is heated to liquid state, and the material of the casting mold can be sand, metal or even ceramic. The method used may be different according to different requirements.

In the existing casting technology, the casting is generally finished in a casting box, and after the casting is formed, the casting boxes need to be turned over one by one, and a model is taken out; to facilitate demolding, the mold box is typically placed in a box turnover machine and then subjected to a demolding operation.

The application numbers are: CN201621323917.6, publication no: the utility model of CN206253635U discloses a sand box turnover machine, which relates to the field of lost foam casting and comprises a U-shaped machine base and a U-shaped placing rack; fixing shafts are fixedly arranged on two sides of the U-shaped placing frame and are arranged on the U-shaped base; one end of the fixed shaft penetrates through the U-shaped base to the outside, and a turntable is fixedly mounted on the fixed shaft; still install the mounting bracket on the U type frame, and the articulated first telescopic link that is provided with on the mounting bracket, and the upper end of first telescopic link is articulated with the carousel. The utility model discloses a simple structure, convenient operation, the case turning effect is good, and the case turning efficiency is high.

However, the applicant finds that the device can not meet the requirement of casting, and the device can only be used for casting after a core is placed and then is turned over after being formed so as to take out a model in actual use; however, the procedures of sanding and placing the core cannot be completed on the device, and the casting box can be placed on the device for casting and demolding after the core is placed after sanding; the operation is inconvenient, and the carrying is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a box turnover machine, not only can realize the purpose of the box turnover drawing of patterns when this box turnover machine uses, simultaneously, can also go on sand, go up core and vibration compaction's purpose, and it is more convenient when using, labour saving and time saving has reduced the transport step.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a box turnover machine comprises a U-shaped base and a U-shaped placing rack, wherein the U-shaped placing rack is rotatably installed on the U-shaped base, a rotating shaft is arranged at the left end part and the right end part of the U-shaped placing rack, sliding grooves are formed in the left end and the right end of the U-shaped base, sliding blocks are arranged in the sliding grooves in a sliding mode and extend out of the sliding grooves, installation holes are formed in the sliding blocks, and the rotating shaft is rotatably installed in the installation holes;

the driving devices are connected to the sliding blocks arranged at the left end and the right end of the U-shaped base and can drive the sliding blocks to move upwards or downwards;

a supporting platform is arranged on the U-shaped base, and the bottom of the U-shaped placing rack can be contacted with the supporting platform after the driving device drives the sliding block to move downwards;

the rotating shaft extends out of the sliding blocks, the rotating shaft is connected with a first driving device, the first driving device can drive the rotating shaft to rotate, the first driving device comprises a connecting plate, a driving motor and a speed reducer, the connecting plate is fixedly installed on one of the sliding blocks, the driving motor and the speed reducer are installed on the connecting plate, the driving motor is connected with the speed reducer, the output end of the speed reducer is connected with a driving shaft through a coupling, the driving shaft is rotatably installed on the connecting plate through a bearing seat, and the driving shaft is connected with the rotating shaft through a bevel;

a first clamping mechanism and a second clamping mechanism for clamping the forming casting box are arranged on the U-shaped placing frame.

Wherein, the spout lateral wall is provided with spacing spout, is provided with the spacing arch that can slide fit each other with the spacing spout that the spout lateral wall set up at the slider lateral wall.

Further inject, spacing spout is the dovetail, spacing arch is for can carrying out the forked tail foot that matches with the dovetail.

The driving device comprises a hydraulic driving device, a pneumatic driving device, a gear driving device and a lead screw driving device.

Further inject, hydraulic drive device includes pneumatic cylinder and liquid pump, and the pneumatic cylinder expansion end is connected with the slider, and the stiff end and the U type base of pneumatic cylinder are connected, and the liquid pump is connected with the pneumatic cylinder and is used for the expansion end growth of drive pneumatic cylinder or shortens to it removes in the spout to be convenient for drive slider.

Wherein, first clamping mechanism and second clamping mechanism are for realizing synchronous drive's die clamping cylinder, are provided with anti-skidding rubber pad at die clamping cylinder's expansion end.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the practical use of the utility model, the arranged U-shaped placing rack can move up and down, thereby realizing the purpose of contacting or keeping away from the supporting platform; therefore, in actual use, the casting box is only required to be placed on the U-shaped placing frame, and is clamped through the first clamping mechanism and the second clamping mechanism to be fixed; at the moment, the bottom of the U-shaped placing frame is in contact with the supporting platform, the supporting platform can support the U-shaped placing frame, the sand feeding step can be carried out on the casting box, then the core is placed in the casting box to be compacted in a vibrating mode, then whether the core is taken out or not can be selected according to the casting mode, and if the lost foam casting mode is adopted, the core does not need to be taken out; at the moment, the casting box provided with the core can be stably placed on the U-shaped placing frame, and then casting is carried out; after the casting, cooling and forming are carried out, the driving device can drive the sliding block to move in the sliding groove at the moment, the sliding block drives the U-shaped placing frame to move upwards, so that the U-shaped placing frame is separated from the supporting platform, and the sliding block can move upwards due to the matching of the sliding block and the sliding groove; after the U-shaped placing frame stops, the U-shaped placing frame is in a suspended state, the first driving device can be started at the moment, and the first driving device can drive the U-shaped placing frame to rotate so as to realize the purpose of turning over the casting box, so that the sand and the model in the casting box fall off; like this, in the in-service use, can place the casting box on U type rack for placing the grit, can realize going up sand and vibration compaction's purpose on U type rack, can realize going up sand, place behind the core vibrations compaction and pour the purpose of back reversal drawing of patterns, more convenience in the time of in-service use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection relationship between the scraper and the U-shaped base according to the present invention.

Reference numerals: 1-U-shaped base, 2-U-shaped placing rack, 3-rotating shaft, 4-sliding chute, 5-sliding block, 6-mounting hole, 7-bearing, 8-driving device, 9-supporting platform, 10-first driving device, 11-connecting plate, 12-driving motor, 13-speed reducer, 14-coupler, 15-driving shaft, 16-bearing seat, 17-bevel gear transmission mechanism, 18-first clamping mechanism, 19-second clamping mechanism, 20-limiting sliding chute, 21-scraping plate, 22-second driving device and 23-casting box.

Detailed Description

The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The embodiment discloses a box turnover machine which comprises a U-shaped base 1 and a U-shaped placing rack 2, wherein the U-shaped placing rack 2 is rotatably installed on the U-shaped base 1, a rotating shaft 3 is arranged at the left end part and the right end part of the U-shaped placing rack 2, sliding grooves 4 are formed in the left end part and the right end part of the U-shaped base 1, sliding blocks 5 are arranged in the sliding grooves 4 in a sliding mode, the sliding blocks 5 extend out of the sliding grooves 4, installation holes 6 are formed in the sliding blocks 5, and the rotating shaft 3 is rotatably installed in the;

the sliders 5 arranged at the left end and the right end of the U-shaped base 1 are connected with a driving device 8, and the driving device 8 can drive the sliders 5 to move upwards or downwards;

a supporting platform 9 is arranged on the U-shaped base 1, and after the driving device 8 drives the sliding block 5 to move downwards, the bottom of the U-shaped placing frame 2 can be in contact with the supporting platform 9;

the rotary shaft 3 extends out of the sliding blocks 5, the rotary shaft 3 is connected with a first driving device 10, the first driving device 10 can drive the rotary shaft 3 to rotate, the first driving device 10 comprises a connecting plate 11, a driving motor 12 and a speed reducer 13, the connecting plate 11 is fixedly installed on one of the sliding blocks 5, the driving motor 12 and the speed reducer 13 are installed on the connecting plate 11, the driving motor 12 is connected with the speed reducer 13, the output end of the speed reducer 13 is connected with a driving shaft 15 through a coupler 14, the driving shaft 15 is rotatably installed on the connecting plate 11 through a bearing seat 16, and the driving shaft 15 is connected with the rotary shaft 3 through a bevel gear;

the U-shaped rack 2 is provided with a first clamping mechanism 18 and a second clamping mechanism 19 for clamping the mold flask 23.

Wherein, the side wall of the sliding groove 4 is provided with a limiting sliding groove 20, and the side wall of the sliding block 5 is provided with a limiting bulge which can be in sliding fit with the limiting sliding groove 20 arranged on the side wall of the sliding groove 4.

Further optimize, spacing spout 20 is the dovetail, spacing arch is the dovetail foot that can match with the dovetail, can guarantee like this that slider 5 is more stable when removing.

It should be noted that the driving device 8 is a hydraulic driving device, the hydraulic driving device includes a hydraulic cylinder and a liquid pump, the movable end of the hydraulic cylinder is connected to the slider 5, the fixed end of the hydraulic cylinder is connected to the U-shaped base 1, and the liquid pump is connected to the hydraulic cylinder for driving the movable end of the hydraulic cylinder to grow or shorten, so as to drive the slider 5 to move in the sliding groove 4.

Like this, can drive reciprocating of slider 5 through the extension of pneumatic cylinder or shorten, and then realize reciprocating of U type rack 2, guarantee that U type rack 2 can contact or keep away from with supporting platform 9.

It should be further noted that, in practical use, besides the hydraulic driving device, a pneumatic driving device, a gear driving device or a lead screw driving device may be used, and specific structures thereof are not described in detail herein.

In the present embodiment, the first clamping mechanism 18 and the second clamping mechanism 19 are clamping cylinders capable of realizing synchronous driving, and an anti-skid rubber pad is arranged at the movable end of each clamping cylinder.

Like this, two die clamping cylinder carry out synchronous extension or shorten, and then realize the fixed to cast case 23, and the antiskid rubber pad that sets up simultaneously can play the purpose of buffering, avoids die clamping cylinder direct action on cast case 23, plays the effect of protection to cast case 23 and die clamping cylinder, simultaneously, can play better antiskid effect when U type rack 2 overturns.

In practical use, the first clamping mechanism 18 and the second clamping mechanism 19 may also be provided as clamping hydraulic cylinders.

In the practical use of the utility model, the arranged U-shaped placing rack 2 can move up and down, thereby realizing the purpose of contacting or keeping away from the supporting platform 9; in practical use, the casting box 23 is only required to be placed on the U-shaped placing frame 2, and the casting box 23 is clamped by the first clamping mechanism 18 and the second clamping mechanism 19 to fix the casting box 23; at the moment, the bottom of the U-shaped placing frame 2 is in contact with the supporting platform 9, the supporting platform 9 can support the U-shaped placing frame 2, at the moment, a sand feeding step can be carried out on the casting box 23, then the core is placed in the casting box 23 for vibration compaction, then whether the core is taken out or not can be selected according to a casting mode, and if the lost foam casting mode is adopted, the core does not need to be taken out; at the moment, the casting box 23 provided with the core can be stably placed on the U-shaped placing frame 2, and then casting is carried out; after casting, cooling and forming, the driving device 8 can drive the sliding block 5 to move in the sliding groove 4, the sliding block 5 drives the U-shaped placing frame 2 to move upwards, so that the U-shaped placing frame 2 is separated from the supporting platform 9, and the sliding block 5 can move upwards due to the matching of the sliding block 5 and the sliding groove 4; after the U-shaped placing frame 2 stops, the U-shaped placing frame 2 is in a suspended state, the first driving device 10 can be started at the moment, the first driving device 10 can drive the U-shaped placing frame 2 to rotate, the purpose of turning the casting box is further achieved, and sand and a model in the casting box 23 fall off; like this, in the in-service use, can place the casting box 23 on U type rack 2 for placing the grit, can realize going up sand and the purpose of vibration compaction on U type rack 2, can collect sand, place shake the compaction behind the core and pour the purpose of back reversal drawing of patterns, more convenience in the time of in-service use.

Example two

The embodiment is further optimized on the basis of the first embodiment, in the embodiment, the U-shaped base 1 is provided with the scraper 21, the scraper 21 is slidably arranged on the U-shaped base 1, the lower end of the scraper 21 is in contact with the supporting platform 9, the scraper 21 is connected with the second driving device 22, and the second driving device 22 can drive the scraper 21 to move on the supporting platform 9 to scrape off the gravel scattered on the supporting platform 9.

Like this, after the upset drawing of patterns, model and grit will scatter on U type base 1, tak the back away with the model, the grit will be remained and is given birth to supporting platform 9, comes drive scraper blade 21 through second drive arrangement 22 and strikes off the grit on supporting platform 9, can guarantee that U type rack 2 can be steady when reseing and supporting platform 9 contact, guarantee going on of casting process next time.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims

1. The utility model provides a box turnover machine, includes U type base and U type rack, and U type rack rotates to be installed on U type base, its characterized in that: the left end and the right end of the U-shaped placing frame are provided with rotating shafts, the left end and the right end of the U-shaped base are provided with sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding mode and extend out of the sliding grooves, mounting holes are formed in the sliding blocks, and the rotating shafts are rotatably mounted in the mounting holes through bearings;

2. A box turnover machine as claimed in claim 1, wherein: the sliding groove side wall is provided with a limiting sliding groove, and the sliding block side wall is provided with a limiting protrusion which can be in sliding fit with the limiting sliding groove arranged on the sliding groove side wall.

3. A box turnover machine as claimed in claim 2, wherein: the limiting sliding groove is a dovetail groove, and the limiting protrusion is a dovetail foot capable of being matched with the dovetail groove.

4. A box turnover machine as claimed in claim 1, wherein: the driving device comprises a hydraulic driving device, a pneumatic driving device, a gear driving device and a lead screw driving device.

5. A box turnover machine as claimed in claim 4 wherein: the hydraulic driving device comprises a hydraulic cylinder and a liquid pump, the movable end of the hydraulic cylinder is connected with the sliding block, the fixed end of the hydraulic cylinder is connected with the U-shaped base, and the liquid pump is connected with the hydraulic cylinder and used for driving the movable end of the hydraulic cylinder to grow or shorten so as to drive the sliding block to move in the sliding groove.

6. A box turnover machine as claimed in claim 1, wherein: the first clamping mechanism and the second clamping mechanism are clamping cylinders capable of realizing synchronous driving, and anti-skid rubber pads are arranged at the movable ends of the clamping cylinders.