CN213856673U

CN213856673U - Replaceable multifunctional stamping mechanism and stamping machine

Info

Publication number: CN213856673U
Application number: CN202022865153.6U
Authority: CN
Inventors: 王欣; 邓兆博; 鞠国强; 王臣; 李寿东
Original assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Current assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-03
Anticipated expiration: 2030-12-03

Abstract

But multi-functional punching press mechanism of substitution and punching machine belong to stamping die technical field. The method is characterized in that: including external mold (1) and centre form, the centre form is equipped with two sets of that bilateral symmetry set up, is equipped with external mold (1) between two sets of centre forms, forms the spout space that holds pressure key (4) between external tip of external mold (1) and the external tip of two sets of centre forms, and external mold (1) both ends face middle part is equipped with the mounting groove of installation centre form, and the space of treating the machined part is placed to formation between external mold (1) inboard and the two sets of centre forms inboard, connects as an organic wholely through fastener detachable between two sets of centre forms. The utility model discloses to the difficult problem of annular, the less part outer wall stamping process of volume, change traditional processingequipment structure, form the part between centre form and external mold and place the space, constitute the key passageway of pressing jointly, applicable difference needs the part of pressing the ear. The small and exquisite light appearance, convenient equipment processing compares large-scale stamping equipment operation and does not have danger.

Description

Replaceable multifunctional stamping mechanism and stamping machine

Technical Field

But multi-functional punching press mechanism of substitution and punching machine belong to stamping die technical field.

Background

In the mechanical industry, a plurality of parts are subjected to a stamping process after being processed, and the purpose of the stamping process is to fix or drive the parts through a molding part. For example, in the mechanical seal industry, several types of parts such as spring seats, drive rings, etc. need to be punched on the outer wall after the parts are machined. However, these parts generally have the characteristics of small size, thin thickness and the like, and the outer wall cannot be stamped on the stamping equipment by using the existing stamping equipment and stamping die.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: overcome prior art's not enough, provide one kind and use to annular, the less part of volume, applicable difference need press the part of ear, the structure is light and handy, but multi-functional punching press mechanism of substitution and punching machine of used repeatedly.

The utility model provides a technical scheme that its technical problem adopted is: but multi-functional punching press mechanism of substitution, its characterized in that: the inner die is provided with two groups of bilaterally symmetrical inner dies, the outer die is arranged between the two groups of inner dies, a sliding groove space for accommodating a press key is formed between the outer end part of the outer die and the outer end part of the two groups of inner dies, mounting grooves for mounting the inner dies are formed in the middle of the two end faces of the outer die, a space for placing a workpiece to be machined is formed between the inner side of the outer die and the inner sides of the two groups of inner dies, and the two groups of inner dies are detachably connected into a whole through a fastening device.

The utility model discloses to the difficult problem of annular, the less part outer wall stamping process of volume, change traditional processingequipment structure, adopt double-deck centre form and one deck external mold cooperation structural style, form the part and place the space between centre form and external mold, constitute the pressure key passageway jointly, the pressure key can press the distribution mode punching press that sets up in advance, nimble adjustment pressure key's punching press position and punching press intensity. Set up fastener between centre form and external mold, can control the inseparable laminating of whole device through fastener, when the pressure key receives external force, the condition of drunkenness about can not taking place guarantees stamping process's safe and reliable, ensures the machining precision. Furthermore, the inner mold and the outer mold of the utility model are optimized and are all quenched, and can be repeatedly used for many times, and the press key is a universal part and is suitable for different parts needing to be pressed with ears. The small and exquisite light appearance, convenient equipment processing compares large-scale stamping equipment operation and does not have danger.

And a plurality of outer die grooves are uniformly distributed on two end faces of the outer die respectively and are arranged along the excircle of the end face of the outer die.

The height of the outer die groove formed in the outer circle of the outer die is higher than the connecting end face of the outer die groove and the inner die, and a limiting table for limiting the sinking of the press key is formed. The outer die is provided with the limiting table, so that the arc pressing height can be controlled through the outer die, and the phenomenon that the appearance and the machining precision of parts are damaged due to excessive punching is avoided.

The inner die comprises a first inner die and a second inner die, a plurality of inner die grooves are uniformly distributed on the inner end faces of the first inner die and the second inner die respectively, and the inner die grooves are arranged along the outer circles of the two end faces of the first inner die and the second inner die.

And a lining ring is arranged on the inner end surface of the inner die. The upper and lower two groups of lining rings can be arranged, and the upper and lower two groups of lining rings are used for preventing the thin wall below the arc position of the spring seat from following the upper part to change during stamping.

The fastening device comprises a screw and a nut, and the screw transversely penetrates through the middle parts of the two groups of internal molds and is tightened by the nut.

The end parts of the press keys, which are contacted with the inner die and the outer die, are arranged in an arc shape. The front part of the press key is provided with an arc which is consistent with the size of the arc required to be punched, and when the press key is used, a bench vice or other external force devices can be used for applying pressure to the outer end of the press key so as to punch the arc to the required size.

One side of the two internal molds is provided with a positioning pin penetrating through the internal parts of the two internal molds.

A press machine, characterized by: the replaceable multifunctional punching mechanism is arranged on the base through a sliding mechanism, a power mechanism is arranged on one side of the base, the output end of the power mechanism is in contact connection with the replaceable multifunctional punching mechanism, and the output end of the power mechanism pushes the replaceable multifunctional punching mechanism to horizontally move in the base.

The sliding mechanism is a slide rod and slide block mechanism and comprises a slide block and a guide rod, the slide block is sleeved on the guide rod, the guide rod is transversely installed in the base, and the replaceable multifunctional stamping mechanism is fixedly installed on the slide block.

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

Drawings

Fig. 1 is a schematic diagram of an internal structure of a replaceable multifunctional stamping mechanism.

Fig. 2 is a schematic view of a press.

Fig. 3 is a schematic diagram of the inner mold structure.

Fig. 4 is a schematic view of the outer mold structure.

FIG. 5 is a front view of a spring seat to be machined.

FIG. 6 is a schematic top view of a spring seat to be machined.

The device comprises a base, an outer die 1, an inner die 2, an inner die I3, an inner die II 4, a press key 5, a lining ring 6, a positioning pin 7, a screw 8, a nut 9, a limiting table 10, an inner die groove 11, an outer die groove 12, a base 13, a sliding block 14, an air cylinder 15, an air cylinder output end 16 and a guide rod.

Detailed Description

Fig. 1 to 6 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 6.

Referring to figures 1, 3-4: but multi-functional punching press mechanism of alternate form, including external mold 1 and centre form, the centre form is equipped with two sets of that bilateral symmetry set up, is equipped with external mold 1 between two sets of centre forms, forms the spout space that holds pressure key 4 between external mold 1 outer tip and the two sets of centre forms outer tip, and 1 both ends face middle part of external mold is equipped with the mounting groove of installation centre form, forms the space of placing the work piece of treating between 1 inboard of external mold and the two sets of centre forms inboardly, connects as an organic wholely through fastener detachable between two sets of.

A plurality of outer die cavities 11 are uniformly distributed on two end faces of the outer die 1 respectively, and the outer die cavities 11 are arranged along the excircle of the end face of the outer die 1. The height of an outer die cavity 11 arranged on the excircle of the outer die 1 is higher than the connecting end surface of the inner die, so that a limiting table 9 for limiting the sinking of the press key 4 is formed.

The inner die comprises a first inner die 2 and a second inner die 3, a plurality of inner die grooves 10 are uniformly distributed on the inner end faces of the first inner die 2 and the second inner die 3 respectively, and the inner die grooves 10 are arranged along the outer circles of the end faces of the first inner die 2 and the second inner die 3. The inner end surface of the inner die is provided with a lining ring 5. The fastening device comprises a screw rod 7 and a nut 8, wherein the screw rod 7 transversely penetrates through the middle parts of the two groups of internal molds and is fastened back by the nut 8. The end parts of the press keys 4 contacted with the inner die and the outer die 1 are arranged in an arc shape. One side of the two internal molds is provided with a positioning pin 6 penetrating through the internal molds.

Referring to figures 5 to 6: the part in the figure is a spring seat which is a common part in mechanical seal, and the arc part in the figure is the part to be punched. The part is characterized by being a thin-wall part, the wall thickness of the part is about 1mm, the whole size of the part is small, the circular arcs are distributed symmetrically, and the part is not easy to process on stamping equipment.

The working principle and the working process are as follows: the utility model discloses to the difficult problem of annular, the less part outer wall stamping process of volume, change traditional processingequipment structure, adopt double-deck centre form and 1 cooperation structural style of one deck external mold, form the part between centre form and external mold 1 and place the space, constitute the pressure key passageway jointly, the pressure key can press the distribution mode punching press that sets up in advance, nimble adjustment pressure key's punching press position and stamping pressure degree.

The spring seat is well installed, the front part of the press key 4 is provided with an arc which is consistent with the size of the arc required to be punched, when in use, a bench vice or other external force devices can be used for applying pressure to the outer end of the press key 4, and the arc end part of the press key is punched to the required size. The outer die 1 and the two layers of inner dies are connected into a whole through the nut 8 and the screw 9, so that the tight fit of the whole device is well controlled, when the press key 4 receives external force, the press key cannot move up and down, and meanwhile, the accurate positioning is realized by matching with the positioning pin 6. Then, a pressing key 4 is placed in a key groove formed between the outer die 1 and the inner die, the outer die 1 and the two inner dies jointly form a pressing key channel, a punching force is applied to the pressing key 4, the pressing key 4 can complete punching according to a preset distribution mode, furthermore, due to the fact that the limiting table 9 is arranged on the outer die 1, the outer die 1 can control the circular arc pressing height of the pressing key 4 through the height of the limiting table 9, and the phenomenon that the punching is excessive and the appearance of a small part with the same volume of the spring seat is damaged is avoided.

The effect of centre form 1 and centre form 2 is firstly for pressing key 4 can make a round trip to slide, secondly can come the equipartition according to the circular arc distribution mode of spring holder to press key 4, and thirdly can prevent to press key 4 to stop the punching press when pressing the spring holder circular arc to the required position. The upper and lower liner rings 5 are used for preventing the thin wall below the arc position of the spring seat from moving upwards during punching. The safety and the reliability of the stamping process are ensured, and the processing precision is ensured. Furthermore, the inner mold and the outer mold of the utility model are optimized and are all quenched, and can be repeatedly used for many times, and the press key is a universal part and is suitable for different parts needing to be pressed with ears. The small and exquisite light appearance, convenient equipment processing compares large-scale stamping equipment operation and does not have danger.

Referring to FIG. 2: a punching machine comprises the replaceable multifunctional punching mechanism and a base 12, wherein the replaceable multifunctional punching mechanism is installed on the base 12 through a sliding mechanism, a power mechanism is arranged on one side of the base 12, the output end of the power mechanism is in contact connection with the replaceable multifunctional punching mechanism, and the output end of the power mechanism pushes the replaceable multifunctional punching mechanism to horizontally move in the base 12.

The sliding mechanism is a sliding rod and sliding block mechanism and comprises a sliding block 13 and a guide rod 16, the sliding block 13 is sleeved on the guide rod 16, the guide rod 16 is transversely installed in the base 12, and the replaceable multifunctional stamping mechanism is fixedly installed on the sliding block 13. The power mechanism is an air cylinder 14, the air cylinder 14 is transversely fixed on one side of the base 12, and an output end 15 of the air cylinder transversely stretches and retracts and touches the press key 4 to push the press key 4 to slide.

The original manual external force is changed into an air cylinder 14 to apply pressure, all original parts are fixed together through a screw 7 and are integrally fixed on a sliding block 13, two holes are formed in the sliding block 14, the horizontal movement of the sliding block 13 is controlled through two guide rods 16, after all the parts are assembled, a switch arranged on one side of the lower portion of a base 12 is turned on, an air cylinder output end 15 of the air cylinder 14 extends out to be in contact with a press key 4, the whole body (comprising the sliding block 13 and all the parts fixed on the upper portion of the sliding block) is pushed to the left side of the base 12, when the left side wall of the base 12 is touched, the air cylinder 14 continues to apply pressure, the press key 4 starts to work to complete a stamping action, and the switch is turned off after the stamping action is completed. The cylinder 14 acts slowly, compared with the transmission punch device, the device has no danger, and can replace manual operation, thereby improving the working efficiency.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. But multi-functional punching press mechanism of substitution, its characterized in that: including external mold (1) and centre form, the centre form is equipped with two sets of that bilateral symmetry set up, is equipped with external mold (1) between two sets of centre forms, forms the spout space that holds pressure key (4) between external tip of external mold (1) and the external tip of two sets of centre forms, and external mold (1) both ends face middle part is equipped with the mounting groove of installation centre form, and the space of treating the machined part is placed to formation between external mold (1) inboard and the two sets of centre forms inboard, connects as an organic wholely through fastener detachable between two sets of centre forms.

2. The replaceable multifunctional punching mechanism according to claim 1, characterized in that: a plurality of outer die cavities (11) are uniformly distributed on two end faces of the outer die (1) respectively, and the outer die cavities (11) are arranged along the excircle of the end face of the outer die (1).

3. The replaceable multifunctional punching mechanism according to claim 2, characterized in that: the height of an outer die groove (11) formed in the outer circle of the outer die (1) is higher than the connecting end face of the outer die groove and the inner die, and a limiting table (9) for limiting the sinking of the press key (4) is formed.

4. The replaceable multifunctional punching mechanism according to claim 1, characterized in that: the inner die comprises a first inner die (2) and a second inner die (3), a plurality of inner die grooves (10) are uniformly distributed on the inner end faces of the first inner die (2) and the second inner die (3) respectively, and the inner die grooves (10) are arranged along the outer circles of the end faces of the first inner die (2) and the second inner die (3).

5. The replaceable multifunctional punching mechanism according to claim 1, characterized in that: and a lining ring (5) is arranged on the inner end surface of the inner die.

6. The replaceable multifunctional punching mechanism according to claim 1, characterized in that: the fastening device comprises a screw rod (7) and a nut (8), wherein the screw rod (7) transversely penetrates through the middle parts of the two groups of internal molds and is fastened back through the nut (8).

7. The replaceable multifunctional punching mechanism according to claim 1, characterized in that: the end parts of the press keys (4) contacted with the inner die and the outer die (1) are arranged in an arc shape.

8. The replaceable multifunctional punching mechanism according to claim 1, characterized in that: one side of the two internal molds is provided with a positioning pin (6) which penetrates through the internal molds.

9. A press machine, characterized by: the replaceable multifunctional punching mechanism comprises the replaceable multifunctional punching mechanism and a base (12) as claimed in any one of claims 1 to 8, the replaceable multifunctional punching mechanism is mounted on the base (12) through a sliding mechanism, a power mechanism is arranged on one side of the base (12), the output end of the power mechanism is in contact connection with the replaceable multifunctional punching mechanism, and the replaceable multifunctional punching mechanism is pushed to horizontally move in the base (12) through the output end of the power mechanism.

10. A die press according to claim 9, wherein: the sliding mechanism is a sliding rod and sliding block mechanism and comprises a sliding block (13) and a guide rod (16), the sliding block (13) is sleeved on the guide rod (16), the guide rod (16) is transversely installed in the base (12), and the replaceable multifunctional stamping mechanism is fixedly installed on the sliding block (13).