CN210450894U

CN210450894U - Die casting downthehole overlap cleaning device

Info

Publication number: CN210450894U
Application number: CN201921338333.XU
Authority: CN
Inventors: 董云龙; 李炜
Original assignee: Hangzhou Yongteng Rubber & Plastic Industry Co ltd
Current assignee: Hangzhou Yongteng Rubber & Plastic Industry Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-05
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to a die casting downthehole overlap cleaning device, include the base, set up in mount pad, the drift of base top, be provided with hold-down mechanism on the mount pad, be provided with support one on the base, be provided with the fixed plate one that is located the mount pad top on the support one, be provided with the cylinder on the fixed plate one, the piston rod of cylinder is towards the mount pad, the drift passes through coupling mechanism to be fixed on the piston rod. The utility model discloses have and need not artifical clearance, alleviate staff's work load's effect.

Description

Die casting downthehole overlap cleaning device

Technical Field

The utility model belongs to the technical field of the technique of casting work piece processing and specifically relates to a downthehole overlap cleaning device of die casting is related to.

Background

Die casting is a casting method in which liquid or semi-solid metal is poured into a pressure chamber of a die casting machine, and molten metal fills a cavity at an extremely high speed under the action of a moving injection punch and is crystallized and solidified under the action of pressure to obtain a die cast piece. For products with complex shapes, the position on the parting surface where demoulding can not be realized often needs to be designed with one or more core-pulling mechanisms. During production and processing, certain gaps exist between the mold core and between the mold core and the lining mold due to assembly errors after the mold is closed, if the gaps are larger, flash burrs can be generated in the process of die casting, particularly after the mold is aged, the flash burrs are more serious, and the flash burrs need to be cleaned.

The Chinese patent with the granted publication number of CN207840089U discloses a die stamping device for cleaning burrs in die casting holes, which comprises a base, a workpiece positioning seat arranged above the base, a power driving mechanism, a punch head and a horizontal guide mechanism, wherein the power driving mechanism is in transmission connection and matching with the punch head, and the punch head is movably erected above the base through the horizontal guide mechanism; when the cleaning machine works, a workpiece to be cleaned is placed on the workpiece positioning seat and is positioned through the cylindrical pin; then a workpiece is stabilized by hand, a push-pull handle of the push-pull type clamp is pushed by one hand, a push-pull rod extends forwards, a punch shaft is driven by a clamping and connecting assembly to horizontally move forwards along a guide seat, a cutting edge at the front end of the punch shaft is contacted with burrs in a workpiece hole, and the burrs in the workpiece hole are separated from a workpiece body.

The above prior art solutions have the following drawbacks: when the device is used, a worker is required to manually drive the push-pull handle to clean the flash, and when the flash is thick, the labor load of the worker is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a die casting trimming device through drive arrangement drive drift clearance overlap, need not the manpower clearance, has alleviateed staff work load.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a downthehole overlap cleaning device of die casting, includes the base, sets up in mount pad, the drift of base top, be provided with hold-down mechanism on the mount pad, be provided with support one on the base, be provided with the fixed plate one that is located the mount pad top on the support one, be provided with the cylinder on the fixed plate one, the piston rod of cylinder is towards the mount pad, the drift passes through coupling mechanism to be fixed on the piston rod.

By adopting the technical scheme, the workpiece is placed on the mounting seat and is fixed through the pressing mechanism, the air cylinder is started, the piston rod extends downwards to drive the punch to move downwards, the cutting edge at the front end of the punch is contacted with the flash burrs in the workpiece hole, so that the flash burrs in the workpiece hole are separated from the workpiece body, manual cleaning is not needed, and the labor load of workers is reduced.

The utility model discloses further set up to: the connecting mechanism comprises a sleeve, the sleeve is vertically arranged, one end of the sleeve is sleeved on the piston rod, the other end of the sleeve is sleeved on the punch and fixed through a second bolt.

Through adopting above-mentioned technical scheme, the drift passes through the sleeve pipe and can dismantle to be fixed on the piston rod, chooses for use corresponding drift to install on the piston rod according to the diameter in hole, is convenient for clear up the hole of different diameters, and application range is wider.

The utility model discloses further set up to: the mounting seat comprises a second bracket and a second fixing plate, the second bracket is vertically arranged, the second fixing plate is located at the top of the second bracket, a positioning groove is formed in the upper surface of the second fixing plate, a positioning plate is arranged in the positioning groove, two positioning pins are fixed on the positioning plate, and the two positioning pins are respectively round pins and edge pins.

By adopting the technical scheme, the workpiece is positioned by the two positioning pins, the movement of the workpiece in the horizontal direction is limited, and the positioning plate and the two positioning pins can be replaced according to the structure of the workpiece so as to ensure that the axis of the hole of the workpiece to be cleaned and the axis of the punch shaft are on the same straight line.

The utility model discloses further set up to: the tops of the round pins and the edge pins are arranged in a conical shape.

By adopting the technical scheme, when a workpiece is installed, the conical head of the pin enters the pin hole of the workpiece first, so that the workpiece is guided, and the workpiece is convenient to install.

The utility model discloses further set up to: the pressing mechanism comprises a bottom plate, a fixing rod, a pressing rod and a compression spring, the bottom plate is fixed on the second fixing plate, the fixing rod is vertically fixed on the bottom plate, the middle of the pressing rod is hinged to the top of the fixing rod, one end of the pressing rod is abutted to the upper surface of a workpiece, the other end of the pressing rod is connected with the bottom plate through the compression spring, when the compression spring is in an initial state, the pressing rod is in an inclined state, and one end, away from the compression spring, of the pressing rod is lower.

Through adopting above-mentioned technical scheme, when the installation work piece, the one end rebound that compresses tightly the pole and be close to the work piece, through leverage, compress tightly the pole and use the dead lever to rotate as the fulcrum, the one end rebound that compresses tightly the pole and keep away from the work piece, compression spring compression, compression spring's elasticity orders about to compress tightly the pole and compress tightly the work piece, goes the overlap in-process, and the effect of drift to the work piece body is little, and compression spring's elasticity can prevent that the work piece from taking place to remove in clearance overlap in-process.

The utility model discloses further set up to: one end, close to the workpiece, of the compression rod is connected with a second bolt in a threaded mode, a screw of the second bolt faces towards the workpiece, a compression block is fixed on the screw, and the compression block abuts against the workpiece.

Through adopting above-mentioned technical scheme, rotatory bolt two moves along its axis through the screw-thread fit with the compact heap, and the distance between compact heap and the compact heap increases, and through leverage, compression spring's compressive capacity increases, and its elasticity to the compact heap increases simultaneously, and the compact heap also increases to the pressure of work piece, is convenient for adjust the packing force to the work piece.

The utility model discloses further set up to: and the positioning plate is provided with a clearance groove below the through hole of the workpiece, and the diameter of the clearance groove is larger than that of the punch.

Through adopting above-mentioned technical scheme, avoid the drift directly to bump with the locating plate, lead to the drift to damage, have the guard action to the drift.

The utility model discloses further set up to: and a waste bin is arranged below the clearance groove, a sliding groove parallel to the second support is formed in the base, and a sliding block in sliding fit with the sliding groove is arranged at the bottom of the waste bin.

Through adopting above-mentioned technical scheme, the overlap that downthehole was cleared up down by the drift passes the clearance groove and drops to the waste material storehouse in, avoids the overlap to scatter everywhere, is convenient for maintain.

To sum up, the utility model discloses a beneficial technological effect does:

1. the cylinder drives the punch to clean the burrs in the die casting hole, so that manual cleaning is not needed, and the labor load of workers is reduced;

2. the drift passes through the sleeve pipe and can dismantle the fixing on the piston rod, chooses for use corresponding drift to install on the piston rod according to the diameter in hole, is convenient for clear up the hole of different diameters, and application range is wider.

Drawings

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

FIG. 2 is a schematic view of a portion of the mount of FIG. 1;

FIG. 3 is a partial schematic view of the positioning plate of FIG. 1;

FIG. 4 is a partial structural schematic view of the bushing of FIG. 1;

fig. 5 is a partial structural schematic view of the compressing mechanism in fig. 1.

In the figure, 1, a base; 21. a second bracket; 22. a second fixing plate; 23. positioning a groove; 3. a cylinder; 4. a hold-down mechanism; 41. a base plate; 42. fixing the rod; 43. a hold down bar; 44. a compression spring; 45. a counter bore; 46. a first bolt; 47. a second bolt; 48. a compression block; 5. a punch; 6. a first bracket; 7. a first fixing plate; 8. positioning a plate; 9. a round pin; 10. a prismatic pin; 11. a sleeve; 12. an empty avoiding groove; 13. a waste bin; 14. a chute; 15. a slider; 16. and (5) a workpiece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a downthehole overlap cleaning device of die casting, including base 1, mount pad, hold-down mechanism 4, drift 5, the mount pad welding is on base 1, is fixed with hold-down mechanism 4 through bolt 46 on the mount pad, and the welding has support 6 on the base 1, and the welding of 6 upper ends of support has a fixed plate 7 that is located the mount pad top, installs cylinder 3 on fixed plate 7, and cylinder 3 communicates with external air source, and the cylinder 3 piston rod is towards the mount pad, and the piston rod passes through coupling mechanism and is connected with drift 5.

Referring to fig. 2 and 3, the mounting seat comprises a second bracket 21 and a second fixing plate 22, the second bracket 21 is vertically arranged, one end of the second bracket is welded on the base 1, and the other end of the second bracket is connected with the second fixing plate through an installing plate; the second fixing plate 22 is square, and the upper surface of the second fixing plate 22 is provided with a square positioning groove 23 concentric with the second fixing plate; a positioning plate 8 is embedded in the positioning groove 23, the thickness of the positioning plate 8 is consistent with the depth of the positioning groove 23, and the upper surface of the positioning plate 8 is flush with the upper surface of the second fixing plate 22; two positioning pins, namely a round pin 9 and a prismatic pin 10, are welded on the upper surface of the positioning plate 8, the positions of the two positioning pins are determined according to the positions of positioning pin holes in the workpiece 16, and the top of the positioning round pin 9 is arranged in a conical shape; the positioning plate 8 and the two positioning pins can be replaced according to the structure of the workpiece 16.

Referring to fig. 1 and 3, the positioning plate 8 is provided with a clearance groove 12 below the through hole of the workpiece 16, and the diameter of the clearance groove 12 is larger than that of the punch 5, so that the punch 5 is prevented from directly colliding with the positioning plate 8; a waste bin 13 used for collecting the flash is arranged below the empty avoiding groove 12, a sliding groove 14 parallel to the second support 21 is formed in a base 1 of the waste bin 13, a sliding block 15 in sliding fit with the sliding groove 14 is arranged at the bottom of the waste bin 13, and the cross section of the sliding groove 14 is rectangular, so that the cleaning is facilitated.

Referring to fig. 4, the connecting mechanism includes a vertically arranged sleeve 11, and one end of the sleeve 11 is sleeved on the piston rod and is in interference fit with the piston rod; the inner diameter of the other end of the sleeve 11 is consistent with the outer diameter of the punch 5, the end of the sleeve is sleeved on the punch 5, and the sleeve 11 and the punch 5 are connected in a detachable mode through a third bolt which penetrates through the sleeve 11 and the punch 5 horizontally, so that the punches 5 of different specifications can be replaced conveniently according to the hole diameters.

Referring to fig. 5, the pressing mechanism 4 includes a bottom plate 41, a fixing rod 42, a pressing rod 43 and a compression spring 44, the bottom plate 41 is rectangular, four counter bores 45 are symmetrically arranged at four corners of the bottom plate 41, and the bottom plate 41 is connected with a second fixing plate 22 through four first bolts 46 respectively arranged in the four counter bores 45; the first bolt 46 is a countersunk bolt, so that after installation, the bolt head can be filled into the installation surface to ensure the flatness of the installation surface; the fixed rod 42 is vertically welded on the bottom plate 41, and the middle part of the pressing rod 43 is hinged with the top of the fixed rod 42; one end, close to the workpiece 16, of the pressing rod 43 is in threaded connection with a second bolt 47, a screw of the second bolt 47 faces the workpiece 16, a pressing block 48 is fixed on the screw, and the pressing block 48 is made of rubber materials; a compression spring 44 is connected between the other end of the pressing rod 43 and the bottom plate 41, when the workpiece 16 is not installed, the compression spring 44 is in an initial state, the pressing rod 43 is inclined, the end far away from the compression spring 44 is lower, and the compression spring 44 is in a compressed state after the workpiece 16 is installed.

The implementation principle of the embodiment is as follows: before the flash cleaning operation is started, the positioning plate 8 is selected according to the shape of the workpiece 16, then the positioning plate 8 is installed on the second fixing plate 22, the corresponding punch 5 is selected according to the aperture of the hole in the workpiece 16, which needs to be subjected to flash cleaning, and the punch is fixed on the piston rod through a bolt.

Lifting the second bolt 47 upwards, mounting the workpiece 16 on the positioning plate 8, starting an external air source communicated with the air cylinder 3, enabling the piston rod to extend downwards, pushing the punch 5 to enter the hole of the workpiece 16 downwards, enabling the cutting edge at the front end of the punch 5 to be in contact with the inner flash of the hole of the workpiece 16, and enabling the inner flash of the hole of the workpiece 16 to be separated from the body of the workpiece 16 and fall into the waste bin 13 downwards; the piston rod contracts upwards, the punch 5 retreats out of the hole, and one-time inner flash removing operation is completed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the mechanism, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a downthehole overlap cleaning device of die casting, includes base (1), sets up in mount pad, drift (5) of base (1) top, be provided with hold-down mechanism (4) on the mount pad, its characterized in that: the punching die is characterized in that a first support (6) is arranged on the base (1), a first fixing plate (7) located above the mounting seat is arranged on the first support (6), an air cylinder (3) is arranged on the first fixing plate (7), a piston rod of the air cylinder (3) faces the mounting seat, and the punching head (5) is fixed on the piston rod through a connecting mechanism.

2. The die casting hole flash cleaning device of claim 1, wherein: the connecting mechanism comprises a sleeve (11), the sleeve (11) is vertically arranged, one end of the sleeve is sleeved on the piston rod, and the other end of the sleeve is sleeved on the punch (5).

3. The die casting hole flash cleaning device of claim 2, wherein: the mount pad includes two (21) of support of two vertical settings and is located two (22) of fixed plate at support (21) top, two (22) upper surfaces of fixed plate set up constant head tank (23), constant head tank (23) are embedded to have locating plate (8), be fixed with two locating pins on locating plate (8), two the locating pin is round pin (9) and edge round pin (10) respectively.

4. The die casting hole flash cleaning device of claim 3, wherein: the tops of the round pin (9) and the edge pin (10) are arranged in a conical shape.

5. The die casting hole flash cleaning device of claim 4, wherein: the pressing mechanism (4) comprises a bottom plate (41), a fixing rod (42), a pressing rod (43) and a compression spring (44), the bottom plate (41) is fixed on a second fixing plate (22) through bolts, the fixing rod (42) is vertically fixed on the bottom plate (41), the middle of the pressing rod (43) is hinged to the top of the fixing rod (42), one end of the pressing rod (43) is abutted to the upper surface of the workpiece (16), the other end of the pressing rod is connected with the bottom plate (41) through the compression spring (44), and when the compression spring (44) is in an initial state, the pressing rod (43) is in an inclined state, and one end of the pressing rod (43) far away from the compression spring (44) is lower.

6. The die casting hole flash cleaning device of claim 5, wherein: one end, close to the workpiece (16), of the pressing rod (43) is connected with a first bolt (46) in a threaded mode, a screw rod of the first bolt (46) faces the workpiece (16), a pressing block (48) is fixed on the screw rod, and the pressing block (48) abuts against the workpiece (16).

7. The die casting hole flash cleaning device of claim 3, wherein: the positioning plate (8) is provided with a clearance groove (12) below the through hole of the workpiece (16), and the diameter of the clearance groove (12) is larger than that of the punch (5).

8. The die casting hole flash cleaning device of claim 7, wherein: a waste bin (13) is arranged below the empty avoiding groove (12), a sliding groove (14) parallel to the second support (21) is formed in the base (1), and a sliding block (15) in sliding fit with the sliding groove (14) is arranged at the bottom of the waste bin (13).