CN113134773B

CN113134773B - Grinding device is used in casting mould production

Info

Publication number: CN113134773B
Application number: CN202110446027.3A
Authority: CN
Inventors: 丁丽珍
Original assignee: Fujian Xinjiaxin Industrial Co ltd
Current assignee: FUJIAN XINJIAXIN INDUSTRIAL CO.,LTD.
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-04-01
Anticipated expiration: 2041-04-25
Also published as: CN113134773A

Abstract

The invention relates to the technical field of mold processing equipment, and in addition, a polishing device for casting mold production comprises a shell, wherein a motor is fixedly installed on one side of the shell, a rotating shaft is fixedly connected to the output shaft end of the motor, and a connecting block is fixedly connected to the middle part of the rotating shaft. The grinding device for the casting die production is characterized in that a ring cavity, a guide pipe, a connecting block and a supporting block are arranged, so that when a left side grinding belt is ground for a long time and is in a high-temperature state, the left side supporting block is not in contact with a driving roller any more, the driving roller stops rotating, and the situation that the overheated left side grinding belt continues to grind can be avoided; meanwhile, the supporting block in the right cavity is in contact with the right driving roller to drive the right polishing belt to continue polishing workpieces, and similarly, when high temperature occurs in the right polishing belt, the left polishing belt can be switched to continue polishing, so that the alternate polishing effect is realized, the loss of the device can be reduced, the service life of abrasive paper is prolonged, and the processing efficiency is improved.

Description

Grinding device is used in casting mould production

Technical Field

The invention relates to the technical field of mold processing equipment, in particular to a polishing device for casting mold production.

Background

The die polishing generally uses oilstone, sand paper, polishing paste, a wool wheel and the like to polish the surface of a cavity of a die, so that the working surface of the die can be bright as a mirror, which is called die polishing, in the die casting process, the cast die needs to be polished with burrs and polished with the surface of the die, and the die polishing has two purposes; one is to increase the smooth finish of the mould, so that the surface of the product produced by the mould is smooth, beautiful and beautiful, the other is to make the mould easy to demould, so that the plastic can not be stuck on the mould and can not be removed, so that the mould can be better matched, the burr refers to the tiny microscopic metal particles on the surface of the workpiece, which are formed in the processes of cutting, grinding, milling and other similar chip processing, if the burr on the surface of the workpiece is not removed, not only the precision of the product can be influenced, but also the worker can be easily scratched when operating.

However, the existing die polishing device has the following defects in the continuous processing process: most dispel the heat fast to the processing position through radiating parts such as plus fan, thereby make the processing position temperature obtain control, and then avoid abrasive paper's high temperature wear, but in the continuous course of working, the heat dissipation always can not be timely effectual with processing, lead to abrasive paper still can be in the high temperature processing state for a long time, thereby seriously influence the abrasive paper life-span, increase the loss of device, the heat dissipation that stops work is serious incremental cost again, and frequently more wearing parts such as abrasive paper have reduced machining efficiency equally, and the increase cost, consequently, need a low-loss alternative grinding device urgently.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the polishing device for the production of the casting mold, which has the advantages of effectively removing dust particles and preventing the dust particles from being attached to the surface of a polishing belt, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a grinding device is used in casting mold production, includes the casing, one side fixed mounting of casing has the motor, the output shaft end fixedly connected with pivot of motor, the middle part fixedly connected with connecting block of pivot, four groups of cavitys have all been seted up to the inside of connecting block both sides, the side that the cavity is close to pivot one end has been seted up and has been communicated the connecting pipe with the corresponding cavity of connecting block opposite side. The middle part of the cavity is movably sleeved with a supporting block, the cavity on one side close to the rotating shaft is filled with hydraulic oil, a communicating pipe is arranged on the side surface of the cavity far away from one end of the rotating shaft, a rotary joint is movably sleeved in the middle of the connecting block, one end of the communicating pipe is connected with the rotary joint, the outer side of the supporting block is provided with a driving roller which is movably sleeved with the shell, the outer side of the driving roller is movably sleeved with a polishing belt, the other end of the polishing belt is movably sleeved with a driven roller, the middle part of the driven roller is fixedly connected with an intermediate shaft, an annular cavity is arranged inside the driven roller, the interior of the annular cavity is filled with purified water, one end of the driven roller is movably sleeved with a movable joint movably sleeved with the intermediate shaft, the upper part of the movable joint is fixedly connected with a guide pipe, and the other end of the guide pipe is fixedly connected with the rotary joint.

Preferably, the slider that cup joints with the casing activity is cup jointed in the one end activity of jackshaft, the upper end fixedly connected with connecting rod of slider, the upper end fixedly connected with wedge of connecting rod, the middle part fixedly connected with dead lever of the inner chamber both sides of casing, the activity room has been seted up at the middle part of dead lever, the piston has been cup jointed in the middle part activity of activity room, the ejector pin that the middle part fixedly connected with and the dead lever activity of piston cup jointed, the bottom of activity room both sides all is provided with the branch pipe that is linked together with corresponding one side pipe.

Preferably, the outer end surface of the support block and the inner end surface of the drive roll are both rough surfaces.

Preferably, the bottom end of the wedge-shaped block is connected with the shell through a spring, and two ends of the ejector rod penetrate through part of the shell and are in contact with the inclined port slope surface on the upper portion of the wedge-shaped block.

Preferably, one end part of the pipe body of the guide pipe close to the movable joint is made of elastic rubber materials.

The invention has the following beneficial effects:

1. through the arrangement of the annular cavity, the guide pipe, the connecting block and the supporting block, when a high-temperature state occurs after the left side polishing belt is polished for a long time, the high temperature is transmitted into purified water in the annular cavity through the driven roller, the purified water is heated to generate a large amount of hot steam, the hot steam is introduced into the left side cavity along the left side guide pipe to increase the air pressure in the left side cavity, the supporting block is pushed to move to one side of the rotating shaft, so that the left side supporting block is not in contact with the driving roller any more, the driving left side driving roller stops rotating, and the situation that the overheated left side polishing belt continues to polish can be avoided; simultaneously the left side supporting shoe moves down and will promote the inside hydraulic oil of left side cavity and get into the right side cavity in for supporting shoe and the contact of right side drive roll in the cavity of right side, make the right side drive roll rotatory, drive the right side and polish and take and continue to polish the work piece, when high temperature appears in the right side polishing area on the same principle, can switch left polishing area and continue the work of polishing, realize the effect of polishing in turn, can reduce the loss of device, the life of extension abrasive paper improves machining efficiency.

2. Through the arrangement of the ejector rod, the wedge-shaped block and the sliding block, when the polishing belt on one side is overheated and the ejector rod and the wedge-shaped block on the one side are separated, the sliding block, the intermediate shaft and the driven roller on the side can be retracted by the spring, and the sliding block, the intermediate shaft and the driven roller on the other side can be extended out in the same way, so that the normal work of the polishing belt newly extended out on the one side is prevented from being influenced by the polishing belt on the overheated side, meanwhile, the tensioning effect of the polishing belt newly extended out on the one side is achieved, and the polishing effect is ensured; and plays a role in loosening the polishing belt on the overheated side, and prolongs the service life of the polishing belt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a structural joint block of the present invention;

FIG. 3 is an enlarged view of the structure A of the present invention;

fig. 4 is an enlarged view of the structure B of the present invention.

In the figure: 1. a housing; 2. a motor; 3. a rotating shaft; 4. connecting blocks; 5. a cavity; 6. a connecting pipe; 7. a support block; 8. a communicating pipe; 9. a rotary joint; 10. a drive roll; 11. polishing the belt; 12. a driven roller; 13. an intermediate shaft; 14. an annular cavity; 15. a movable joint; 16. a conduit; 17. a slider; 18. a connecting rod; 19. a wedge block; 20. fixing the rod; 21. an activity room; 22. a top rod; 23. a piston; 24. and (4) branch pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a polishing device for casting mold production comprises a housing 1, a motor 2 is fixedly mounted on one side of the housing 1, a rotating shaft 3 is fixedly connected to an output shaft end of the motor 2, a connecting block 4 is fixedly connected to the middle of the rotating shaft 3, four groups of cavities 5 are respectively formed in two sides of the connecting block 4, and a connecting pipe 6 is formed in the side surface of one end, close to the rotating shaft 3, of each cavity 5 and communicated with the corresponding cavity 5 on the other side of the connecting block 4. A supporting block 7 is movably sleeved at the middle part of the cavity 5, hydraulic oil is filled in the cavity at one side of the cavity 5 close to the rotating shaft 3, a communicating pipe 8 is arranged at the side of the cavity 5 far away from one end of the rotating shaft 3, a rotary joint 9 is movably sleeved at the middle part of the connecting block 4, one end of the communicating pipe 8 is connected with the rotary joint 9, a driving roller 10 movably sleeved with the shell 1 is arranged at the outer side of the supporting block 7, a polishing belt 11 is movably sleeved at the outer side of the driving roller 10, a driven roller 12 is movably sleeved at the other end of the polishing belt 11, an intermediate shaft 13 is fixedly connected at the middle part of the driven roller 12, a sliding block 17 movably sleeved with the shell 1 is movably sleeved at one end of the intermediate shaft 13, a connecting rod 18 is fixedly connected at the upper end of the sliding block 17, a wedge-shaped block 19 is fixedly connected at the upper end of the connecting rod 18, a fixed rod 20 is fixedly connected at the middle part of both sides of the inner cavity of the shell 1, and a movable chamber 21 is arranged at the middle part of the fixed rod 20, a piston 23 is movably sleeved at the middle part of the movable chamber 21, a mandril 22 which is movably sleeved with the fixed rod 20 is fixedly connected at the middle part of the piston 23, branch pipes 24 which are communicated with the guide pipe 16 at one corresponding side are arranged at the bottoms of the two sides of the movable chamber 21, an annular cavity 14 is arranged inside the driven roller 12, purified water is filled in the annular cavity 14, a movable joint 15 which is movably sleeved with the intermediate shaft 13 is movably sleeved at one end of the driven roller 12, the guide pipe 16 is fixedly connected at the upper part of the movable joint, and the other end of the guide pipe 16 is fixedly connected with the rotary joint 9.

The outer end face of the supporting block 7 and the inner end face of the driving roller 10 are rough faces, so that friction force between the supporting block 7 and the driving roller 10 is increased, slipping in the polishing process is prevented, and polishing quality is guaranteed.

The bottom end of the wedge block 19 is connected with the shell 1 through a spring, two ends of the ejector rod 22 penetrate through part of the shell 1 and are in contact with an inclined slope surface on the upper portion of the wedge block 19, when the polishing belt 11 on one side is overheated, the ejector rod 22 on one side can be separated from the wedge block 19, the spring can retract the sliding block 17, the intermediate shaft 13 and the driven roller 12 on the side, and the sliding block 17, the intermediate shaft 13 and the driven roller 12 on the other side can be extended out in the same way, so that the polishing belt 11 on the overheated side is prevented from influencing the normal operation of the polishing belt on the newly extended side, meanwhile, the tensioning effect on the polishing belt 11 on the newly extended side is achieved, and the polishing effect is ensured; and plays a role in loosening the polishing belt on the overheated side, and prolongs the service life of the polishing belt.

Wherein, a pipe body of one end part of the guide pipe 16 close to the movable joint 15 is made of elastic rubber material, and the elastic action of the guide pipe 16 can be exerted when the driven roller 12 retracts and extends, so that the condition that the guide pipe is pulled by force and is damaged is avoided.

The working principle is that the motor 2 is started, the motor 2 drives the connecting block 4 to rotate, the left side supporting block 7 drives the left side driving roller 10 in contact with the left side supporting block to rotate, the grinding belt 11 (namely abrasive paper) is used for grinding a workpiece, when the left side grinding belt 11 is ground for a long time and has a high-temperature state, the high temperature is transmitted into purified water inside the annular cavity 14 through the driven roller 12, the purified water is heated to generate a large amount of hot steam, the hot steam flows through a left side connector of the rotary joint 9 and the left side communicating pipe 8 along the left side conduit 16 and is led into the cavity 5 at the same side, the air pressure inside the cavity 5 is increased, the supporting block 7 is pushed to move towards one side of the rotating shaft 3, the left side supporting block 7 is not in contact with the driving roller 10, the left side driving roller 10 stops rotating, the overheated left side grinding belt can be prevented from continuing to grinding work, and the hot steam inside the left side conduit also enters the movable chamber 21 through the left side branch pipe 24, can promote piston 23 and move left, make ejector pin 22 left end retrieve, left side slider 17 moves up under the effect of spring, ejector pin 22 right-hand member stretches out, right side slider 17 moves down under ejector pin 22 and wedge 19's effect, the right side area of polishing 11 of being convenient for is polished the work piece, left side supporting shoe 7 moves down simultaneously and gets into right side cavity 5 in will promoting the inside hydraulic oil of left side cavity 5, make ejecting of supporting shoe 7 in the right side cavity 5, and contact with right side drive roll 10, make right side drive roll 10 rotatory, it continues to polish the work piece to drive right side area of polishing 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a casting is grinding device for mould production, includes casing (1), one side fixed mounting of casing (1) has motor (2), the output shaft end fixedly connected with pivot (3) of motor (2), its characterized in that: the middle part of the rotating shaft (3) is fixedly connected with a connecting block (4), four groups of cavities (5) are arranged in the two sides of the connecting block (4), a connecting pipe (6) communicated with the cavity (5) corresponding to the other side of the connecting block (4) is arranged on the side surface of one end, close to the rotating shaft (3), of each cavity (5), a supporting block (7) is movably sleeved in the middle of each cavity (5), hydraulic oil is filled in an accommodating cavity on one side, close to the rotating shaft (3), of each cavity (5), a communicating pipe (8) is arranged on the side surface, far away from one end of the rotating shaft (3), of each cavity (5), a rotary joint (9) is movably sleeved in the middle of each connecting block (4), one end of each communicating pipe (8) is connected with the rotary joint (9), a driving roller (10) movably sleeved with the shell (1) is arranged on the outer side of each supporting block (7), a polishing belt (11) is movably sleeved in the outer side of each driving roller (10), driven voller (12) have been cup jointed in the other end activity of sanding area (11), the middle part fixedly connected with jackshaft (13) of driven voller (12), annular chamber (14) have been seted up to the inside of driven voller (12), the inside packing of annular chamber (14) has the pure water, the activity of the one end activity of driven voller (12) is cup jointed movable joint (15) that cup joints with jackshaft (13) activity, movable joint's upper portion fixedly connected with pipe (16), the other end and rotary joint (9) fixed connection of pipe (16).

2. The grinding device for the production of the casting mold according to claim 1, characterized in that: the one end activity of jackshaft (13) has cup jointed slider (17) that cup joints with casing (1) activity, the upper end fixedly connected with connecting rod (18) of slider (17), upper end fixedly connected with wedge (19) of connecting rod (18), middle part fixedly connected with dead lever (20) of the inner chamber both sides of casing (1), activity room (21) have been seted up at the middle part of dead lever (20), piston (23) have been cup jointed in the middle part activity of activity room (21), ejector pin (22) that the middle part fixedly connected with of piston (23) and dead lever (20) activity cup jointed, the bottom of activity room (21) both sides all is provided with branch pipe (24) that are linked together with corresponding one side pipe (16).

3. The grinding device for the production of the casting mold according to claim 2, characterized in that: the outer end face of the supporting block (7) and the inner end face of the driving roller (10) are rough faces.

4. The grinding device for the production of the casting mold according to claim 2, characterized in that: the bottom end of the wedge-shaped block (19) is connected with the shell (1) through a spring, and two ends of the ejector rod (22) penetrate through part of the shell (1) to be in slope surface contact with the bevel opening on the upper portion of the wedge-shaped block (19).

5. The grinding device for the production of the casting mold according to claim 1, characterized in that: one end part of the conduit (16) close to the movable joint (15) is made of elastic rubber material.