CN219360412U

CN219360412U - Compression mold structure of scalpel blank

Info

Publication number: CN219360412U
Application number: CN202223577943.XU
Authority: CN
Inventors: 赵继划
Original assignee: Kunshan Chengyihe Precision Components Co ltd
Current assignee: Kunshan Chengyihe Precision Components Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-18
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of scalpel processing, in particular to a die structure of a scalpel blank, which comprises a bottom plate, wherein a lower die is fixed at the top end of the outer wall of the bottom plate, supporting columns are fixed at the top end of the outer wall of the bottom plate and at two sides of the lower die, an upper die assembly is arranged right above the outer wall of each supporting column and positioned right above the lower die, and comprises a moving plate, an upper die fixing seat, an upper die and a fixing part for fixing the upper die at the bottom end of the moving plate.

Description

Compression mold structure of scalpel blank

Technical Field

The utility model relates to the technical field of scalpel processing, in particular to a compression molding structure of a scalpel blank.

Background

The existing scalpel blank is produced by adopting a compression molding mode gradually, however, the existing scalpel blank compression molding structure has low automation degree, and the compression molding precision of the scalpel is difficult to ensure, based on the compression molding structure, the Chinese patent publication No. CN212884351U discloses a compression molding structure of the scalpel blank, which comprises a fixed seat, the middle part of the upper end surface of the fixed seat is connected with a female die through a screw, the left end part and the right end part of the fixed seat are fixedly welded with supporting columns, the upper end of the support column is connected with a limit nut through threads, the support column is sleeved with a support seat, the upper middle part of the support seat is movably inserted with a guide rack, the lower end of the guide rack is fixedly provided with a connecting sleeve, the lower end of the connecting sleeve is connected with a movable seat through threads, the right side of the upper end face of the support seat is connected with a mounting seat through threads, the mounting seat is provided with a driving motor, and the front end of the driving motor is connected with a gear through an output shaft;

the technical beneficial effects of the above-mentioned patent are that the die structure of this kind of scalpel blank can accurately observe the compound die condition of terrace die and die through the arc scale plate on the support column, thereby improving the production efficiency of scalpel blank promptly, can guarantee the production precision of scalpel blank again, but, through the description and the description figure that above-mentioned patent technology discloses, above-mentioned patent is when specifically using, because the terrace die that set up is fixed in the movable seat bottom, when terrace die and die carry out the compound die like this, the impact force that produces can be transmitted to the movable seat through the terrace die on, and because the movable seat is not provided with buffer, impact force in the compound die can be transmitted to gear and direction rack department through the movable seat like this, thereby can lead to the fact the damage to gear and direction rack, can influence the direction transmission of gear and direction rack when serious, make the device unable normal use.

In summary, it is necessary to invent a die structure for a scalpel blank.

Disclosure of Invention

Therefore, the utility model provides a die structure of a scalpel blank, which aims to solve the problems that the impact force generated when the male die and the female die are clamped is transmitted to the movable seat through the male die, and the impact force generated when the movable seat is not provided with a buffer device can be transmitted to the gear and the guide rack through the movable seat, so that the gear and the guide rack are damaged, the guide transmission of the gear and the guide rack is affected when the impact force is severe, and the device cannot be normally used.

In order to achieve the above object, the present utility model provides the following technical solutions: the stamping structure of the scalpel blank comprises a bottom plate, wherein a lower die is fixed at the top end of the outer wall of the bottom plate, support columns are fixed at the top end of the outer wall of the bottom plate and at two sides of the lower die, and an upper die assembly is arranged on the outer wall of the support column and right above the lower die;

the upper die assembly comprises a moving plate, an upper die fixing seat, an upper die and a fixing part used for fixing the upper die at the bottom end of the moving plate, wherein a mounting groove is formed in the center of the bottom end of the outer wall of the upper die fixing seat, and the fixing part is arranged in the mounting groove.

Preferably, the outer wall top of support column is fixed with the roof, the outer wall upper and lower end center department sliding connection of roof has the hydraulic stem, the bottom of hydraulic stem passes the outer wall bottom of roof and is fixed with the outer wall top center department of movable plate.

Preferably, the number of the support columns is two, and scale marks are arranged on the front sides of the top ends of the outer walls of the support columns.

Preferably, both sides of the upper end and the lower end of the outer wall of the movable plate are in sliding connection with the outer wall of the supporting column, and the top end of the outer wall of the upper die fixing seat is fixed with the center of the bottom end of the outer wall of the movable plate.

Preferably, the fixing part comprises a buffer plate, the inner wall of the installation groove is provided with sliding grooves at positions corresponding to the buffer plate, the outer wall of the buffer plate is in sliding connection with the inner wall of the sliding grooves, and a sleeve is fixed at the center of the top end of the inner wall of the installation groove.

Preferably, the inner wall of the sleeve is fixedly provided with a rubber layer, the inner wall of the sleeve is slidably connected with a buffer piston, a punch rod is fixed at the center of the bottom end of the outer wall of the buffer piston, and the bottom end of the outer wall of the punch rod is fixed at the center of the top end of the outer wall of the buffer plate.

Preferably, springs are fixed on the top end of the outer wall of the buffer plate and on two sides of the sleeve, and the upper ends of the springs are fixed on two sides of the top end of the inner wall of the mounting groove.

Preferably, the outer wall top of last mould and the inner wall sliding connection of mounting groove, the outer wall top of last mould and the outer wall bottom butt of buffer board, the outer wall bottom of last mould fixing base just is located the both sides of mounting groove and all rotates and be connected with the limiting plate, the outer wall top of limiting plate all with the outer wall bottom both sides butt of last mould.

The beneficial effects of the utility model are as follows:

according to the utility model, the upper die is fixed in the mounting groove, and when the stamping of the workblank of the surgical knife is completed through die assembly, the generated impact force can be buffered and offset by the elastic acting force of the spring and the buffer spring, so that the damage of the impact force to the hydraulic rod during die assembly can be effectively avoided, and the service life of the device can be effectively prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model in front view;

FIG. 2 is a schematic view of a partial sectional structure of the upper die holder of the present utility model in front view;

FIG. 3 is a schematic view of a sleeve of the present utility model in a partially cut-away configuration in elevation;

fig. 4 is a schematic perspective view of a limiting plate according to the present utility model.

In the figure: 100. a bottom plate; 110. a lower die; 200. a support column; 201. scale marks; 300. an upper top plate; 400. a hydraulic rod; 500. a moving plate; 510. an upper die fixing seat; 520. a buffer plate; 521. a sleeve; 522. a buffer piston; 523. a plunger; 530. a spring; 600. an upper die; 610. and a limiting plate.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1 to 4, the die structure of a scalpel blank provided by the utility model comprises a bottom plate 100, wherein a lower die 110 is fixed at the top end of the outer wall of the bottom plate 100, support columns 200 are fixed at the top end of the outer wall of the bottom plate 100 and at two sides of the lower die 110, an upper top plate 300 is fixed at the top end center of the outer wall of the support column 200, a screw is fixed at the top end center of the outer wall of the support column 200, the upper top plate 300 can be fixed at the top end of the support column 200 through a bolt after being sleeved on the screw, a hydraulic rod 400 is slidingly connected at the top end center of the outer wall of the upper top plate 300, the bottom end of the hydraulic rod 400 penetrates through the bottom end of the outer wall of the upper top plate 300 and is fixed at the top end center of the outer wall of a movable plate 500, the number of the support columns 200 is two, and scale marks 201 are arranged at the front side of the top ends of the outer wall of the two support columns 200;

the outer wall of support column 200 just is located the lower mould 110 and is provided with the mould subassembly directly over, go up the mould subassembly and include movable plate 500, go up mould fixing base 510, go up mould 600 and be used for fixing the fixed part in the bottom of movable plate 500 with last mould 600, the outer wall upper and lower end both sides of movable plate 500 all with the outer wall sliding connection of support column 200, the outer wall top of last mould fixing base 510 is fixed with the outer wall bottom center department of movable plate 500, the mounting groove has been seted up at the outer wall bottom center department of last mould fixing base 510, fixed part sets up in the mounting groove, fixed part includes buffer board 520, the spout has all been seted up in the position department corresponding with buffer board 520, the outer wall of buffer board 520 all with the inner wall sliding connection of spout, the spout of seting up plays the effect of spacing buffer board 520 slip direction, and still should set up a plurality of buffer springs between the top of buffer board 520 and the spout inner wall top center department of mounting groove is fixed with sleeve 521.

The inner wall of the sleeve 521 is fixedly provided with a rubber layer, the inner wall of the sleeve 521 is slidably connected with a buffer piston 522, the center of the bottom end of the outer wall of the buffer piston 522 is fixedly provided with a punch rod 523, the bottom end of the outer wall of the punch rod 523 is fixedly arranged at the center of the top end of the outer wall of the buffer plate 520, the buffer piston 522 is extruded by the punch rod 523, so that the buffer piston 522 slides on the inner wall of the sleeve 521, larger friction force can be generated between the additionally arranged buffer piston 522 and the sleeve 521 during sliding, the generated friction force can buffer and absorb the elastic acting force generated by the spring 530 and the buffer spring during damping, the top end of the outer wall of the buffer plate 520 is fixedly provided with springs 530 on two sides of the top end of the inner wall of the mounting groove, the upper end of the upper die 600 is slidably connected with the inner wall of the mounting groove, the top end of the upper die 600 is abutted against the bottom end of the outer wall of the buffer plate 520, the bottom end of the upper die fixing seat 510 is rotatably connected with limit plates 610 on two sides of the mounting groove, the top end of the limit plates 610 and the upper die 600 can be rotatably fixed on the two sides of the upper die 600 through the rotary fixing seat 610;

the application process of the utility model is as follows: a person skilled in the art can place a scalpel blank to be pressed at the center of the lower die 110, then start the hydraulic rod 400, so that the output end of the hydraulic rod 400 extends to drive the moving plate 500 and the upper die fixing seat 510 to move downwards, and when the upper die fixing seat 510 moves downwards, the upper die 600 is clamped with the top end of the lower die 110, thereby completing the stamping forming of the blank;

in the process of die assembly and stamping of the upper die 600, the generated impact force is transmitted to the buffer plate 520, the set spring 530 and the buffer spring are compressed, the elastic acting force is generated to buffer and offset the impact force, the impact rod 523 simultaneously drives the buffer piston 522 to slide on the inner wall of the sleeve 521, the set buffer piston 522 generates friction force when sliding in the sleeve 521, and the generated friction force also buffers and offsets the elastic stress of the spring 530, so that the condition that the upper die 600 and the buffer plate 520 jump during buffering is avoided.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a die structure of scalpel blank, includes bottom plate (100), outer wall top of bottom plate (100) is fixed with bed die (110), outer wall top and the bed die (110) both sides that lie in of bottom plate (100) all are fixed with support column (200), its characterized in that: an upper die assembly is arranged on the outer wall of the support column (200) and positioned right above the lower die (110);

the upper die assembly comprises a moving plate (500), an upper die fixing seat (510), an upper die (600) and a fixing component used for fixing the upper die (600) at the bottom end of the moving plate (500), wherein an installation groove is formed in the center of the bottom end of the outer wall of the upper die fixing seat (510), and the fixing component is arranged in the installation groove.

2. A die structure of a scalpel blank as claimed in claim 1, wherein: an upper top plate (300) is fixed at the top end of the outer wall of the supporting column (200), a hydraulic rod (400) is slidably connected to the center of the upper end and the lower end of the outer wall of the upper top plate (300), and the bottom end of the hydraulic rod (400) penetrates through the bottom end of the outer wall of the upper top plate (300) and is fixed with the center of the top end of the outer wall of the movable plate (500).

3. A die structure of a scalpel blank as claimed in claim 1, wherein: the number of the support columns (200) is two, and scale marks (201) are arranged on the front sides of the top ends of the outer walls of the two support columns (200).

4. A die structure of a scalpel blank as claimed in claim 3, wherein: both sides of the upper end and the lower end of the outer wall of the movable plate (500) are in sliding connection with the outer wall of the supporting column (200), and the top end of the outer wall of the upper die fixing seat (510) is fixed with the center of the bottom end of the outer wall of the movable plate (500).

5. The die structure of a scalpel blank as defined in claim 4, wherein: the fixing part comprises a buffer plate (520), sliding grooves are formed in the inner wall of the mounting groove at positions corresponding to the buffer plate (520), the outer wall of the buffer plate (520) is slidably connected with the inner wall of the sliding grooves, and a sleeve (521) is fixed at the center of the top end of the inner wall of the mounting groove.

6. The die structure of a scalpel blank as defined in claim 5 wherein: the inner wall of sleeve (521) is fixed with the rubber layer, the inner wall sliding connection of sleeve (521) has buffering piston (522), outer wall bottom center department of buffering piston (522) is fixed with punch rod (523), the outer wall bottom of punch rod (523) is fixed with the outer wall top center department of buffer board (520).

7. The die structure of a scalpel blank as defined in claim 6, wherein: springs (530) are fixed on the top end of the outer wall of the buffer plate (520) and located on two sides of the sleeve (521), and the upper ends of the springs (530) are fixed on two sides of the top end of the inner wall of the mounting groove.

8. The die structure of a scalpel blank as defined in claim 5 wherein: the outer wall top of last mould (600) and the inner wall sliding connection of mounting groove, the outer wall top of going up mould (600) and the outer wall bottom butt of buffer board (520), the outer wall bottom of going up mould fixing base (510) just is located the both sides of mounting groove and all rotates and be connected with limiting plate (610), the outer wall top of limiting plate (610) all with the outer wall bottom both sides butt of last mould (600).