CN215746272U - Sand core punching device - Google Patents
Sand core punching device Download PDFInfo
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- CN215746272U CN215746272U CN202121633167.3U CN202121633167U CN215746272U CN 215746272 U CN215746272 U CN 215746272U CN 202121633167 U CN202121633167 U CN 202121633167U CN 215746272 U CN215746272 U CN 215746272U
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Abstract
The utility model relates to a sand core punching device which comprises a base, wherein a workbench is arranged at the top of the base, a partition plate is arranged at the position, below the workbench, in the base, a PLC (programmable logic controller) electrical appliance control box and an air pump electrically connected with the PLC electrical appliance control box are arranged below the partition plate, the air pump is controlled by a control switch electrically connected with the PLC electrical appliance control box, and the control switch is fixedly arranged on the outer side of the base; the pneumatic drilling machine is characterized in that a sand core jig for installing a sand core is fixedly arranged in the center of the top of the workbench through a bolt, pneumatic drilling groups are symmetrically arranged at the positions of the left side and the right side of the sand core jig, and the pneumatic drilling groups are movably connected with a guide driving device fixedly arranged at the bottom of the workbench through guide connecting plates. The sand core punching device can accurately guarantee the positioning and the depth of punching, the safety factor is high, the quality of sand core drilling is improved, the production efficiency is high, the operation is simple, and the convenience in popularization is realized.
Description
Technical Field
The utility model relates to the technical field of sand core punching, in particular to a sand core punching device.
Background
The sand core is a material for manufacturing a core in casting production and consists of casting sand, a molding sand binder and the like. The core is mostly surrounded by the high temperature liquid metal in the mold, and the size of the supporting and positioning portion is generally small, so that the core sand should have high strength, air permeability, collapsibility, and collapsibility in addition to the performance of the general molding sand. In order to ensure the air permeability of the sand core, the sand core is required to be perforated, so that the sand core is convenient to deflate and ventilate during casting.
The existing sand core punching modes are all manually carried out, an operator holds a pneumatic gun drill with one hand and holds the sand core with the other hand, and the sand core is drilled through a drill bit arranged on the pneumatic gun drill; due to the fact that the length of the drill bit is long, an operator can hardly accurately drill the drill bit on a preset position by one hand, deviation of a drilling position is caused, and the positioning is inaccurate; the drilling depth is difficult to accurately control by manual drilling, so that the phenomenon of inaccurate drilling depth is caused, and the phenomenon of scrapping caused by perforation and empty breaking frequently occurs during drilling; in addition, because the length of the drill bit is difficult to master, the hole breaking phenomenon of manual drilling is easy to drill on the hand, potential hazards are caused to the safety problem of operators, and the working safety is not guaranteed; the requirement of an operator on manual pressure during the manual drilling process is high, the drilling deviation is easy during the drilling process, the sand core is easy to crush, and the deviation, the broken hole and the perforation caused by the manual drilling can not meet the standard of the production standard, so that the drilling quality of the sand core cannot be guaranteed; and only one hole can be drilled by hand drilling at one time, the production requirement is far beyond the reach, and the processing efficiency cannot be guaranteed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a sand core punching device which is high in safety coefficient and can drill holes in batches on sand cores.
In order to solve the technical problems, the utility model is realized by the following technical scheme: a sand core punching device comprises a base with a rectangular structure, wherein a workbench with a horizontal top surface is arranged at the top of the base, a partition plate with a horizontal top surface is arranged at the position, below the workbench, in the base, a PLC (programmable logic controller) electrical appliance control box and an air pump electrically connected with the PLC electrical appliance control box are arranged below the partition plate, the air pump is controlled by a control switch electrically connected with the PLC electrical appliance control box, and the control switch is fixedly arranged on the outer side of the base; a sand core jig for installing a sand core is fixedly arranged at the center of the top of the workbench through a bolt, air drill groups are symmetrically arranged at the positions on the left side and the right side of the sand core jig, and the air drill groups are movably connected with a guide driving device fixedly arranged at the bottom of the workbench through a guide connecting plate; every group the pneumatic gun drill group comprises the pneumatic gun drill that equidistant setting side by side around a plurality of, pneumatic gun drill pass through the pipeline with air pump pneumatic connection, the pneumatic gun drill that equidistant setting side by side around, through pneumatic drill splint fixed connection together, direction connecting plate fixed connection is in the bottom center of pneumatic drill splint, be provided with on the workstation be convenient for the direction connecting plate with guide drive connects and makes things convenient for its guide slot that removes about, the position symmetry that lies in both sides around the guide slot on the workstation is provided with the line rail, the direction is horizontal to be set up about the line rail, and it is on a parallel with the guide slot, the bottom of pneumatic drill splint with line rail fixed connection together, its linear motion that can do the left right direction on the line rail.
Furthermore, the guide driving device comprises an air cylinder, the air cylinder is fixedly arranged at the bottom of the workbench and is pneumatically connected with the air pump through a pipeline, a five-way electromagnetic valve is arranged on the pipeline between the air cylinder and the air pump, and the five-way electromagnetic valve is electrically connected with the PLC electrical appliance control box and controls the air cylinder; the movable track of the piston rod on the air cylinder corresponds to the guide groove vertically, and the bottom of the guide connecting plate penetrates through the guide groove and is fixedly connected with the piston rod.
Furthermore, the linear rail consists of a linear guide rail and a sliding block in sliding fit with the linear guide rail; the pneumatic drill clamping plate is fixed to the top of the sliding block through bolts, and the linear guide rail is fixed to the top surface of the workbench through bolts.
Furthermore, a drill positioning plate is fixedly arranged at a position between the pneumatic gun drill and the sand core jig on the workbench, and a drill hole which corresponds to the position of the drill on the pneumatic gun drill and is matched with the drill on the pneumatic gun drill in a sleeved mode is formed in the drill positioning plate.
Furthermore, a plurality of slag falling holes which are communicated up and down are arranged on the workbench, and each slag falling hole corresponds to the left-right movement track of the drill bit on one pneumatic gun drill; and blanking drawers which are vertically corresponding to the blanking holes are arranged at the top of the partition plate.
Furthermore, the top surface of the partition board is provided with a guide wheel set, the guide wheel set is composed of a plurality of guide wheels which are arranged in parallel at equal intervals, the guide wheels are longitudinally arranged on the partition board through guide wheel supports, the blanking drawer is arranged on the guide wheel set, and the blanking drawer can be conveniently pushed and pulled on the partition board through the guide wheel set.
Furthermore, four opposite corners of the bottom of the base are respectively provided with a roller.
Further, a handle is fixedly arranged on one side of the base.
Furthermore, a protective cover is arranged outside the air drill group, a safety grating is fixedly arranged on the protective cover corresponding to the top of one side of the central part of the workbench, and safety fences are symmetrically arranged on the parts, located on the front side and the rear side of the sand core jig, of the top surface of the workbench.
Compared with the prior art, the utility model has the advantages that: the sand core punching device can accurately guarantee the positioning and the depth of punching, the safety factor is high, the quality of sand core drilling is improved, the production efficiency is high, the operation is simple, and the convenience in popularization is realized.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the front structure of the sand core perforating device of the present invention;
FIG. 2 is a schematic side view of the sand core perforating device of the present invention;
FIG. 3 is a schematic view of the top view of the sand core perforating device of the present invention.
In the figure: 1. a base; 2. a work table; 3. a partition plate; 4. a cylinder; 5. a pneumatic drill clamping plate; 6. a guide connecting plate; 7. a pneumatic gun drill; 8. a slider; 9. a linear guide rail; 10. a drill positioning plate; 11. a sand core jig; 12. a sand core; 13. a blanking drawer; 14. a control switch; 15. a guide wheel group; 16. an air pump; 17. a PLC electrical appliance control box; 18. a five-way solenoid valve; 19. a roller; 20. a handle; 21. a protective cover; 22. a security fence; 23. a safety grating; 24. a slag falling hole; 25. and a guide groove.
Detailed Description
The utility model is described in detail below with reference to the following figures and embodiments:
fig. 1 to 3 show a sand core perforating device, which comprises a base 1 with a rectangular structure, wherein a workbench 2 with a horizontal top surface is arranged at the top of the base 1, a partition plate 3 with a horizontal top surface is arranged at a position below the workbench 2 in the base 1, a PLC electric appliance control box 17 and an air pump 16 electrically connected with the PLC electric appliance control box 17 are arranged below the partition plate 3, the air pump 16 is controlled by a control switch 14 electrically connected with the PLC electric appliance control box 17, and the control switch 14 is fixedly arranged at the outer side of the base 1; a sand core jig 11 for installing a sand core 12 is fixedly arranged at the center of the top of the workbench 2 through a bolt, air drill groups are symmetrically arranged at the positions on the left side and the right side of the sand core jig 11, and the air drill groups are movably connected with a guide driving device fixedly arranged at the bottom of the workbench 2 through a guide connecting plate 6; each air drill group consists of a plurality of air gun drills 7 which are arranged in parallel at equal intervals from front to back, the air gun drills 7 are pneumatically connected with the air pump 16 through pipelines, the air gun drills 7 which are arranged in parallel at equal intervals from front to back are fixedly connected together through air drill clamping plates 5, at most three air gun drills 7 can be arranged in parallel on each air drill clamping plate 5, and six air gun drills 7 can be assembled by the two air drill groups arranged on the left side and the right side of the sand core jig 11; 6 fixed connection of direction connecting plate is at the bottom center of air drill splint 5, be provided with on workstation 2 be convenient for direction connecting plate 6 with direction drive arrangement connects and makes things convenient for its guide slot 25 that removes, the position symmetry that lies in both sides around the guide slot 25 on workstation 2 is provided with the line rail, the line rail left and right sides orientation transversely sets up, and it is on a parallel with guide slot 25, the bottom of air drill splint 5 with line rail fixed connection is in the same place, and its linear motion that can make left and right sides orientation on the line rail.
In order to drive the pneumatic drill clamping plate 5 to move left and right, the guide driving device comprises an air cylinder 4, the air cylinder 4 is fixedly arranged at the bottom of the workbench 2 and is pneumatically connected with an air pump 16 through a pipeline, a five-way electromagnetic valve 18 is arranged on the pipeline between the air cylinder 4 and the air pump 16, and the five-way electromagnetic valve 18 is electrically connected with the PLC electric appliance control box 17 and controls the air cylinder 4; the moving track of the piston rod on the cylinder 4 corresponds to the guide groove 25 up and down, and the bottom of the guide connecting plate 6 penetrates through the guide groove 25 and is fixedly connected with the piston rod.
In order to ensure the stability and the linearity of the pneumatic drill clamp plate 5 during left-right movement, the linear rail consists of a linear guide rail 9 and a sliding block 8 in sliding fit with the linear guide rail; the pneumatic drill clamping plate 5 is fixed to the top of the sliding block 8 through bolts, and the linear guide rail 9 is fixed to the top face of the workbench 2 through bolts.
In order to prevent the drill bit on the pneumatic gun drill 7 from being too long and easily broken, a drill bit positioning plate 10 is fixedly arranged on the workbench 2 between the pneumatic gun drill 7 and the sand core jig 11, and a drill bit hole which corresponds to the position of the drill bit on the pneumatic gun drill 7 and is matched with the drill bit positioning plate 10 in a sleeved mode is arranged on the drill bit positioning plate 10.
In order to facilitate the collection of waste residues generated after the drill bit on the pneumatic gun drill 7 drills the sand core 12, the cleaning is convenient, the accumulation is prevented, a plurality of slag falling holes 24 which are communicated up and down are formed in the workbench 2, and each slag falling hole 24 corresponds to the left-right movement track of the drill bit on one pneumatic gun drill 7; and a blanking drawer 13 which is vertically corresponding to the slag falling hole 24 is arranged at the top of the partition plate 3.
In order to facilitate the drawing out and pushing in of the blanking drawer 13 from the base 1, the top surface of the partition board 3 is provided with a guide wheel set 15, the guide wheel set 15 is composed of a plurality of guide wheels which are arranged in parallel at equal intervals, the guide wheels are longitudinally arranged on the partition board 3 through guide wheel supports, the blanking drawer 13 is arranged on the guide wheel set 15, and the blanking drawer 13 can be conveniently pushed and pulled on the partition board 3 through the guide wheel set 15.
In order to facilitate the movement of the sand core punching device, four opposite angles at the bottom of the base 1 are respectively provided with a roller 19; a handle 20 is fixedly arranged on one side of the base 1.
In order to improve factor of safety, the outside of air drilling group is provided with protection casing 21, the fixed safety grating 23 that is provided with in one side top that corresponds 2 central parts of workstation on the protection casing 21, the position symmetry that 2 top surfaces of workstation are located both sides around the psammitolite tool 11 is provided with security fence 22.
In order to accurately control the drilling depth of the drill bit on the pneumatic gun drill 7, a position sensor is arranged on the workbench 2 corresponding to the position of the drill bit on each pneumatic gun drill 7, and the position sensor is electrically connected with the PLC electrical appliance control box 17.
The specific working mode is as follows: before drilling a sand core 12, a matched sand core jig 11 is selected and fixed on a workbench 2 through a bolt, then the sand core 12 is fixedly installed on the sand core jig 11, a control switch 14 is started, the control switch 14 transmits a signal to a PLC (programmable logic controller) electrical appliance control box 17, a pneumatic gun drill 7 is controlled to be started through the electrical appliance control box 17, a piston rod on an air cylinder 4 is controlled to move towards the sand core 12 through a five-way electromagnetic valve 18, the piston rod drives an air drill clamping plate 5 to linearly move towards the sand core 12 under the guiding action of a linear rail through a guide connecting plate 6, the sand core 12 is drilled through a drill bit on the pneumatic gun drill 7, and waste residues generated when the drill bit drills the sand core 12 can fall into a blanking drawer 13 through a residue falling hole 24; after the drilling of the sand core 12 is finished, the air cylinder 4 controls the piston rod to reset, and the drill bit withdraws from the sand core 12; the operator can lift off the drilled sand core 12 from the sand core jig 11, and simultaneously, the operator can take down the blanking drawer 13 from the base 1 to clean the collected waste residues.
This kind of psammitolite perforating device utilizes different model psammitolite tools, writes corresponding program control pneumatic gun drill 7 by the PLC logic controller who sets up in PLC electrical apparatus control box 17 and punches to the psammitolite, can accurate assurance to the location and the degree of depth of punching: a jig with a corresponding model of the sand core is arranged on the punching machine, so that the pneumatic gun drill bit can accurately drill on a specified hole position; the punching machine is provided with a position sensor, and the position sensor senses when the drill bit drills to a specified depth, so that the depth can be controlled within an allowable error;
the safety coefficient is high: an operator only needs to place the sand core in a jig corresponding to the punching machine, start the punching machine, and take out the sand core after punching is completed, wherein the sand core is free of contact in the punching process;
the quality of the sand core drilling is improved: the sand core jig saves the original step of pressing by hands of operators, and the conditions of hole deviation, perforation and hole breakage can not occur any more because the jig is used for fixing the sand core;
the production efficiency is high: six holes can be punched at the same time to the maximum extent at one time, and the speed far exceeds the speed of manual punching;
simple operation and convenient popularization.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a psammitolite perforating device which characterized in that: the air pump type air conditioner comprises a base (1) with a rectangular structure, wherein a workbench (2) with a horizontal top surface is arranged at the top of the base (1), a partition plate (3) with a horizontal top surface is arranged at a position, below the workbench (2), in the base (1), a PLC (programmable logic controller) electrical appliance control box (17) and an air pump (16) electrically connected with the PLC electrical appliance control box (17) are arranged below the partition plate (3), the air pump (16) is controlled by a control switch (14) electrically connected with the PLC electrical appliance control box (17), and the control switch (14) is fixedly arranged on the outer side of the base (1); a sand core jig (11) for installing a sand core (12) is fixedly arranged at the center of the top of the workbench (2) through a bolt, air drill groups are symmetrically arranged at the positions on the left side and the right side of the sand core jig (11), and the air drill groups are movably connected with a guide driving device fixedly arranged at the bottom of the workbench (2) through a guide connecting plate (6); each group of air drill group consists of a plurality of air-powered gun drills (7) which are arranged in parallel at equal intervals in front and back, the pneumatic gun drill (7) is pneumatically connected with the air pump (16) through a pipeline, the pneumatic gun drills (7) which are arranged in parallel at equal intervals in the front and back are fixedly connected together through a pneumatic drill clamping plate (5), the guide connecting plate (6) is fixedly connected with the center of the bottom of the pneumatic drill clamping plate (5), a guide groove (25) which is convenient for connecting the guide connecting plate (6) with the guide driving device and moving left and right is arranged on the workbench (2), the parts of the workbench (2) positioned at the front side and the rear side of the guide groove (25) are symmetrically provided with linear rails which are transversely arranged in the left-right direction, the pneumatic drill clamping plate is parallel to the guide groove (25), the bottom of the pneumatic drill clamping plate (5) is fixedly connected with the linear rail, and the pneumatic drill clamping plate can do linear motion in the left-right direction on the linear rail.
2. The sand core perforating device of claim 1, wherein: the guide driving device comprises an air cylinder (4), the air cylinder (4) is fixedly arranged at the bottom of the workbench (2) and is pneumatically connected with an air pump (16) through a pipeline, a five-way electromagnetic valve (18) is arranged on the pipeline between the air cylinder (4) and the air pump (16), and the five-way electromagnetic valve (18) is electrically connected with the PLC electric appliance control box (17) and controls the air cylinder (4); the movable track of the piston rod on the air cylinder (4) corresponds to the guide groove (25) up and down, and the bottom of the guide connecting plate (6) penetrates through the guide groove (25) and is fixedly connected with the piston rod.
3. The sand core perforating device of claim 1, wherein: the linear rail consists of a linear guide rail (9) and a sliding block (8) in sliding fit with the linear guide rail; the pneumatic drill clamping plate (5) is fixed to the top of the sliding block (8) through bolts, and the linear guide rail (9) is fixed to the top face of the workbench (2) through bolts.
4. The sand core perforating device of claim 1, wherein: and a drill positioning plate (10) is fixedly arranged at a position between the pneumatic gun drill (7) and the sand core jig (11) on the workbench (2), and a drill hole which corresponds to the position of the drill on the pneumatic gun drill (7) and is matched with the drill position in a sleeved mode is arranged on the drill positioning plate (10).
5. The sand core perforating device of claim 1, wherein: a plurality of slag falling holes (24) which are communicated up and down are formed in the workbench (2), and each slag falling hole (24) corresponds to the left-right movement track of a drill bit on one pneumatic gun drill (7); and a blanking drawer (13) which vertically corresponds to the slag falling hole (24) is arranged at the top of the partition plate (3).
6. The sand core perforating device of claim 5, wherein: the blanking drawer is characterized in that a guide wheel set (15) is arranged on the top surface of the partition plate (3), the guide wheel set (15) is composed of a plurality of guide wheels which are arranged in parallel at equal intervals, the guide wheels are longitudinally arranged on the partition plate (3) through guide wheel supports, the blanking drawer (13) is arranged on the guide wheel set (15), and the blanking drawer (13) can be conveniently pushed and pulled on the partition plate (3) through the guide wheel set (15).
7. The sand core perforating device of claim 1, wherein: four opposite corners of the bottom of the base (1) are respectively provided with a roller (19).
8. The sand core perforating device of claim 1, wherein: a handle (20) is fixedly arranged on one side of the base (1).
9. The sand core perforating device of claim 1, wherein: the pneumatic drill set is externally provided with a protective cover (21), a safety grating (23) is fixedly arranged on the top of one side of the protective cover (21) corresponding to the center of the workbench (2), and safety fences (22) are symmetrically arranged at the positions, located on the front side and the rear side of the sand core jig (11), of the top surface of the workbench (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121633167.3U CN215746272U (en) | 2021-07-19 | 2021-07-19 | Sand core punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121633167.3U CN215746272U (en) | 2021-07-19 | 2021-07-19 | Sand core punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215746272U true CN215746272U (en) | 2022-02-08 |
Family
ID=80106278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121633167.3U Active CN215746272U (en) | 2021-07-19 | 2021-07-19 | Sand core punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215746272U (en) |
-
2021
- 2021-07-19 CN CN202121633167.3U patent/CN215746272U/en active Active
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