CN217141932U

CN217141932U - High-precision punching device for small through holes of aluminum castings

Info

Publication number: CN217141932U
Application number: CN202220600068.3U
Authority: CN
Inventors: 王霞波
Original assignee: Hangzhou Aoqi Auto Parts Co ltd
Current assignee: Hangzhou Aoqi Auto Parts Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-08-09
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a high-precision punching device for fine through holes of aluminum castings, which comprises a processing platform, a punching die and the aluminum castings, wherein the punching die is fixedly connected to the top of the processing platform, the aluminum castings are placed in the inner cavity of the upper surface of the punching die, a supporting table is arranged at the top of the punching die, a first hydraulic telescopic cylinder is fixedly installed at the top of the supporting table, the output end of the first hydraulic telescopic cylinder is fixedly connected with a punching head, and positioning mechanisms are arranged around the aluminum castings; the utility model relates to a punching device technical field. This high accuracy punching device of tiny through-hole of aluminum casting through the positioning mechanism who sets up for carry out centre gripping location processing to the aluminum casting under the effect of four groups grip blocks, fix the aluminum casting, prevent that the work piece from leading to it to take place the displacement skew under the huge pressure of punching head, thereby improved the precision of punching, and then the defective rate that has reduced.

Description

High-precision punching device for small through holes of aluminum castings

Technical Field

The utility model relates to a punching device technical field specifically is a high accuracy punching device of tiny through-hole of aluminum casting.

Background

The aluminum casting is a device made of pure aluminum or aluminum alloy obtained by a casting processing method. Aluminum parts or aluminum alloy parts of various shapes and sizes obtained by pouring aluminum or aluminum alloy heated to a liquid state into a cavity of a mold using a sand mold or a metal mold are generally called aluminum die castings.

When punching holes in an aluminum casting, the conventional high-precision punching device generally fixes a workpiece manually, and the manual fixation is difficult to master the force, so that when the workpiece is punched by the punching device in a loose mode, the workpiece is shifted under the downward huge pressure of the punching device, the punching precision is further influenced, and when the workpiece is fixed too tightly, the workpiece is easily damaged, and the reject ratio of the workpiece is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high accuracy punching device of tiny through-hole of aluminum casting has solved current electric pile that fills, produces a large amount of heats easily when using, can't in time dispel the heat, and uncovered heat dissipation when out of work causes the problem that the dust got into easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-precision punching device for fine through holes of aluminum castings comprises a processing platform, a punching die and the aluminum castings, wherein the top of the processing platform is fixedly connected with the punching die, the aluminum castings are placed in the inner cavity of the upper surface of the punching die, a supporting table is arranged at the top of the punching die, a first hydraulic telescopic cylinder is fixedly mounted at the top of the supporting table, the output end of the first hydraulic telescopic cylinder is fixedly connected with a punching head, and positioning mechanisms are arranged on the periphery of the aluminum castings; positioning mechanism is including establishing at four second hydraulic stretching cylinder around the aluminium foundry goods, four the equal fixed mounting of second hydraulic stretching cylinder is at the top of processing platform, second hydraulic stretching cylinder output end face department is provided with the fixing base, fixing base fixed mounting is at the top of processing platform, the output of second hydraulic stretching cylinder runs through fixing base and fixedly connected with T-shaped piece, the other end fixed surface of T-shaped piece is connected with the grip block, mutual symmetry slide opening has been seted up at the both ends of T-shaped piece.

Preferably, a T-shaped groove in a concave-convex shape is formed in the top surface of the punching die, and the aluminum casting is placed in the T-shaped groove.

Preferably, the lateral wall of cut-out press all has seted up the spout all around, the spout is close to T type groove one end inner wall and sets up the constant head tank that link up each other with T type groove, the grip block can be pegged graft and extend to T type groove and contradict each other with the aluminum casting outer wall in the constant head tank.

Preferably, the two sides of the sliding groove are provided with positioning sliding rods which are symmetrical to each other, the positioning sliding rods are fixedly installed on the side wall of the punching die, and the T-shaped block is inserted into the positioning sliding rods through the sliding holes and is in sliding connection with the positioning sliding rods.

Preferably, a control panel is fixedly mounted on one side of the top of the processing platform and is electrically connected with the first hydraulic telescopic cylinder and the second hydraulic telescopic cylinder.

Preferably, the bottom fixedly connected with supporting leg of processing platform, the unloading hole has been seted up on the surface of processing platform, and the position of unloading hole and T type groove corresponds each other and link up, the below in unloading hole is provided with the waste material fill, and waste material fill and processing platform fixed connection.

Advantageous effects

The utility model provides a high accuracy punching device of tiny through-hole of aluminum casting. Compared with the prior art, the method has the following beneficial effects:

(1) this high accuracy punching device of tiny through-hole of aluminum casting, open four groups of second hydraulic stretching cylinders simultaneously through control panel, make the output of second hydraulic stretching cylinder drive the T-shaped piece, the grip block is located the upper surface slip of processing platform, it slides on the location slide bar to promote the T-shaped piece to be located under the effect of second hydraulic stretching cylinder, make the T-shaped piece remove to the spout, and can drive the grip block at the in-process that the T-shaped piece removed and remove to the constant head tank, thereby make the one end of grip block remove to the T-shaped inslot and contradict each other with the outer wall of aluminum casting, finally carry out centre gripping location processing to the aluminum casting under the effect of four groups of grip blocks, fix the aluminum casting, prevent that the work piece from under the huge pressure of head of punching a hole, lead to its displacement skew, thereby the precision of punching has been improved, and then the defective rate that has reduced.

(2) This high accuracy punching device of tiny through-hole of aluminum casting drives the head that punches a hole and punches a hole to aluminum casting through opening first hydraulic telescoping cylinder, and the waste material that the punching press produced falls into the garbage bin through the unloading hole of T type tank bottom end, carries out unified collection and handles, avoids causing the pollution of environment.

Drawings

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

FIG. 2 is a schematic structural view of a positioning mechanism and a punching die of the present invention;

fig. 3 is the structure-disassembled view of the middle positioning mechanism and the punching die of the present invention.

In the figure: 1. a processing platform; 2. punching a die; 3. aluminum casting; 4. a support table; 5. a first hydraulic telescopic cylinder; 6. a punching head; 7. a positioning mechanism; 101. a control panel; 102. supporting legs; 103. a waste hopper; 201. a chute; 202. positioning a groove; 203. positioning the slide bar; 204. a T-shaped groove; 701. a second hydraulic telescopic cylinder; 702. a fixed seat; 703. a T-shaped block; 704. a clamping block; 705. and (4) a slide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-precision punching device for small through holes of aluminum castings comprises a processing platform 1, a punching die 2 and aluminum castings 3, wherein the punching die 2 is fixedly connected to the top of the processing platform 1, the aluminum castings 3 are placed in the inner cavity of the upper surface of the punching die 2, a supporting table 4 is arranged at the top of the punching die 2, a first hydraulic telescopic cylinder 5 is fixedly mounted at the top of the supporting table 4, the output end of the first hydraulic telescopic cylinder 5 is fixedly connected with a punching head 6, and positioning mechanisms 7 are arranged on the periphery of the aluminum castings 3; the positioning mechanism 7 comprises four second hydraulic telescopic cylinders 701 arranged around the aluminum casting 3, the four second hydraulic telescopic cylinders 701 are all fixedly arranged at the top of the processing platform 1, a fixed seat 702 is arranged at the output end face of the second hydraulic telescopic cylinders 701, the fixed seat 702 is fixedly arranged at the top of the processing platform 1, the output end of the second hydraulic telescopic cylinders 701 penetrates through the fixed seat 702 and is fixedly connected with a T-shaped block 703, a clamping block 704 is fixedly connected to the surface of the other end of the T-shaped block 703, and two ends of the T-shaped block 703 are provided with mutually symmetrical sliding holes 705; a T-shaped groove 204 in a concave-convex shape is formed in the top surface of the punching die 2, and the aluminum casting 3 is placed in the T-shaped groove 204; the periphery of the side wall of the punching die 2 is provided with sliding grooves 201, the inner wall of one end, close to the T-shaped groove 204, of each sliding groove 201 is provided with a positioning groove 202 which is communicated with the T-shaped groove 204, and the clamping block 704 can be inserted into the positioning groove 202 and extends to the T-shaped groove 204 to be abutted against the outer wall of the aluminum casting 3; two sides of the sliding chute 201 are provided with positioning sliding rods 203 which are symmetrical to each other, the positioning sliding rods 203 are fixedly installed on the side wall of the punching die 2, and the T-shaped block 703 is inserted onto the positioning sliding rods 203 through a sliding hole 705 and is in sliding connection with the positioning sliding rods 203; a control panel 101 is fixedly installed on one side of the top of the processing platform 1, and the control panel 101 is electrically connected with the first hydraulic telescopic cylinder 5 and the second hydraulic telescopic cylinder 701; the bottom fixedly connected with supporting leg 102 of processing platform 1, the unloading hole has been seted up on the surface of processing platform 1, and the position in unloading hole and T type groove 204 corresponds each other and link up, and the below in unloading hole is provided with waste material fill 103, and waste material fill 103 and processing platform 1 fixed connection.

And those not described in detail in this specification are well within the skill of those in the art.

During operation, an aluminum casting 3 to be punched is placed in a T-shaped groove 204 on the surface of a punching die 2, four groups of second hydraulic telescopic cylinders 701 are simultaneously opened through a control panel 101, so that the output end of each second hydraulic telescopic cylinder 701 drives a T-shaped block 703 and a clamping block 704 to slide on the upper surface of a processing platform 1, the T-shaped block 703 is pushed to slide on a positioning slide rod 203 under the action of the second hydraulic telescopic cylinders 701, the T-shaped block 703 moves into a sliding groove 201, the clamping block 704 can be driven to move into a positioning groove 202 in the moving process of the T-shaped block 703, one end of the clamping block 704 moves into the T-shaped groove 204 and is abutted against the outer wall of the aluminum casting 3, finally, the aluminum casting 3 is clamped and positioned under the action of the four groups of clamping blocks 704, the aluminum casting 3 is fixed, and displacement and deflection of the workpiece caused by huge pressure of a punching head 6 are prevented, thereby improving the punching precision and further reducing the reject ratio; and after the aluminum casting 3 is fixed, the first hydraulic telescopic cylinder 5 is opened to drive the punching head 6 to punch a hole on the aluminum casting 3, the waste generated by punching falls into the waste hopper 103 through the blanking hole at the bottom end of the T-shaped groove 204, and the uniform collection and treatment are carried out, so that the pollution to the environment is avoided, and the working principle of the high-precision punching device for the fine through holes of the aluminum casting is realized.

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 high accuracy punching device of tiny through-hole of aluminum casting, includes processing platform (1), cut-out press (2) and aluminum casting (3), its characterized in that: the top of the processing platform (1) is fixedly connected with a punching die (2), an aluminum casting (3) is placed in an inner cavity of the upper surface of the punching die (2), a supporting table (4) is arranged at the top of the punching die (2), a first hydraulic telescopic cylinder (5) is fixedly installed at the top of the supporting table (4), a punching head (6) is fixedly connected to the output end of the first hydraulic telescopic cylinder (5), and positioning mechanisms (7) are arranged on the periphery of the aluminum casting (3);

positioning mechanism (7) are including establishing second hydraulic stretching cylinder (701) four around aluminium casting (3), four equal fixed mounting in the top of processing platform (1) of second hydraulic stretching cylinder (701), second hydraulic stretching cylinder (701) output end face department is provided with fixing base (702), fixing base (702) fixed mounting is at the top of processing platform (1), the output of second hydraulic stretching cylinder (701) runs through fixing base (702) and fixedly connected with T-shaped piece (703), the other end fixed surface of T-shaped piece (703) is connected with grip block (704), mutual symmetry slide opening (705) have been seted up at the both ends of T-shaped piece (703).

2. The apparatus for high-precision punching of fine through holes in aluminum castings according to claim 1, characterized in that: the top surface of the punching die (2) is provided with a T-shaped groove (204) in a concave-convex shape, and the aluminum casting (3) is placed in the T-shaped groove (204).

3. The apparatus for high-precision punching of fine through holes in aluminum castings according to claim 2, characterized in that: all seted up spout (201) around the lateral wall of cut-out press (2), spout (201) are close to T type groove (204) one end inner wall and seted up constant head tank (202) that link up each other with T type groove (204), grip block (704) can be pegged graft and extend to in constant head tank (202) T type groove (204) and contradict each other with aluminum casting (3) outer wall.

4. The high-precision punching device for the fine through holes of the aluminum castings according to claim 3, characterized in that: two sides of the sliding groove (201) are provided with positioning sliding rods (203) which are symmetrical to each other, the positioning sliding rods (203) are fixedly installed on the side wall of the punching die (2), and the T-shaped block (703) is inserted into the positioning sliding rods (203) through sliding holes (705) and is in sliding connection with the positioning sliding rods (203).

5. The high-precision punching device for the fine through holes of the aluminum castings according to claim 1, characterized in that: the hydraulic telescopic processing platform is characterized in that a control panel (101) is fixedly mounted on one side of the top of the processing platform (1), and the control panel (101) is electrically connected with a first hydraulic telescopic cylinder (5) and a second hydraulic telescopic cylinder (701).

6. The high-precision punching device for the fine through holes of the aluminum castings according to claim 2, characterized in that: the bottom fixedly connected with supporting leg (102) of processing platform (1), the unloading hole has been seted up on the surface of processing platform (1), and the position of unloading hole and T type groove (204) corresponds each other and link up, the below in unloading hole is provided with waste material fill (103), and waste material fill (103) and processing platform (1) fixed connection.