CN202174407U - Stamping device of radiator fin forming machine - Google Patents

Abstract

The utility model relates to a stamping device of a radiator fin forming machine, which comprises an upper connecting plate, a lower connecting plate, an upper forming plate, an upper shearing cutter, a lower forming cutter, a punching female die and a punching male die. The upper forming plate is arranged on the connecting plates and consists of two forming plates, the two forming plates are symmetric to the longitudinal center line of the upper connecting plate, the punching male die is mounted on the upper connecting plate, the upper shearing cutter includes two symmetric parts, the two symmetric parts are mounted on the upper connecting plate, are positioned at the center between the two forming plates, longitudinally extend along the upper connecting plate and are symmetric to the center of the punching male die, the lower forming cutter is mounted on the lower connecting plate and consists of two forming cutters, and the two forming cutters are symmetric to the longitudinal center line of the lower connecting plate. The stamping device is provided with a composite die, accordingly, work procedures are reduced, the stamping device is reliable in structure and can meet requirements of fins in different shapes, and the radiator fin forming machine produces radiator fins in a full-automatic manner.

Description

A stamping device of a radiator fin forming machine

technical field

The utility model belongs to special equipment for electricians, in particular to a stamping device for a radiator fin forming machine. the

Background technique

In the electrical industry, radiators for large and medium-sized transformers are produced, and most of them use radiator sheet forming equipment with stamping devices. The stamping device is generally composed of upper and lower connecting plates, guide post and guide sleeve mechanism, forming and shearing mechanism, stripping spring, punching die, forming briquetting block, marking die, and stripping column. The core of the device is the forming and shearing mechanism. The forming and shearing mechanism can complete the three processes of cutting, stamping and flanging when the upper plate is in motion, realizing multiple processes at the same time, which improves the production efficiency of the radiator fin forming machine. At present, the stamping devices produced by other domestic manufacturers cannot perform punching, cutting and flanging in the same process. Single-piece cutting and punching are used. This method is inefficient, and the radiator fin forming machine cannot realize automatic production. the

Utility model content

The purpose of this utility model is to overcome the above-mentioned deficiencies in the prior art, and provide a stamping device for a radiator sheet forming machine, which can integrate cutting, punching, forming, and flanging into one, with simple and few working procedures, simple structure and low cost , high reliability. the

Therefore, the stamping device of a heat sink forming machine provided by the utility model at least includes upper and lower connecting plates, an upper forming plate arranged on the connecting plate, an upper shearing knife, a lower forming knife, a punching die and The punch punch is special in that the upper forming plate is composed of two forming plates, and the two forming plates are symmetrical to the longitudinal center line of the upper connecting plate;

The punching punch is installed on the upper connecting plate, and when the upper connecting plate moves, it realizes punching, shearing and flanging with the punching die installed on the lower connecting plate;

The upper shearing knife is two symmetrical parts, both of which are installed on the upper connecting plate at the center between the two forming plates, and extend along the longitudinal direction of the upper connecting plate, and the two The symmetrical part is symmetrical to the center of the punching punch;

The lower forming knife is installed on the lower connecting plate, and consists of two forming knives, and the two forming knives are integrated and symmetrical to the longitudinal center line of the lower connecting plate.

The above-mentioned punching punch is set at the center of the upper connecting plate, and is located between the two forming plates;

There is a semi-circular arc-shaped part concave inward on the opposite sides of the two forming plates, and the semi-circular arc-shaped part is in contact with the semi-circular outer surface of the punch;

The two forming knives are respectively arranged corresponding to the two forming plates, and any one of the forming knives extends along the inner edge of one of the corresponding two forming plates at the corresponding position on the lower connecting plate;

The punching die is arranged in the center of the lower connecting plate corresponding to the punching punch;

One end of the forming knife extends to the punching die, and the other end extends to the corresponding position of the outer edge of the forming plate on the lower connecting plate.

The above-mentioned upper forming plate is provided with a forming pressing block, and the corresponding lower forming plate is provided with a matching forming groove.

The above-mentioned upper forming plate is connected by a guide pin and a return spring arranged on the upper connection plate, one end of the return spring is fixed on the guide pin, and the other end is fixed on the upper forming plate; the upper connection A limiting plate for preventing the upper forming plate from falling off is arranged on the plate. the

A mark punch is fixed on the upper forming plate, and a mark die matched with the mark punch is correspondingly arranged on the lower forming plate. the

The four corners of the above-mentioned upper connecting plate are provided with guide sleeves, and the four corners of the lower connecting plate are correspondingly provided with guide posts matched with the guide sleeves, and ball bushings are arranged between the guide sleeves and the guide posts to ensure that The guide sleeve can slide up and down along the guide post; the four corners of the upper connecting plate corresponding to the guide post are provided with perforations for the guide post to extend out. the

[0011] The above-mentioned upper connecting plate and the lower connecting plate are all provided with a stripping column for stripping, and a stripping spring is arranged between the stripping column and the upper connecting plate or the lower connecting plate.

The utility model is characterized in that: due to the use of a composite mold, the forming and shearing mechanism integrates cutting, punching, forming and flanging of the material, which reduces the process, has a reliable structure, and can adapt to different sheet types. The radiator sheet molding machine has realized automatic production, and a new radiator sheet processing technology has been provided. the

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment:

Fig. 1 is a structural schematic diagram of the stamping device of the radiator fin forming machine provided by the utility model;

The structural schematic diagram of the upper connecting plate in Fig. 2;

Figure 3 is a schematic diagram of the structure of the lower connecting plate.

Explanation of reference signs: 1. Sign punch, 2. Punching punch, 3. Forming briquetting block, 4, 41. Upper forming plate, 5. Upper connecting plate, 6. Sign die, 7. Lower connecting plate, 8. Punching die, 9. stripping spring, 10. stripping post, 11. guide sleeve, 111. guide post, 12, 121. lower forming knife, 13, 131. upper shearing knife, 15. lower forming plate. the

Detailed ways

As shown in Figures 1, 2 and 3, the stamping device of the radiator fin forming machine provided by the utility model at least includes an upper connecting plate 5, a lower connecting plate 7, an upper forming plate 4, 41 arranged on the upper connecting plate 5, Last shearing knife 13,131, following forming knife 12,121, following forming plate 15, punching die 8 and punching punch 2, last forming plate is made of two forming plates 4,41, these two forming plates 4, The longitudinal center line of the connecting plate 5 above 41 is symmetrical; the punching punch 2 is installed on the upper connecting plate 5, and when it moves with the upper connecting plate 5, it will realize punching, shearing and stretching with the punching die 8 installed on the lower connecting plate 7 flanging;

There are concavo-convex grooves of certain specifications on the forming plate, and when the two plates are pressed against each other, the thin steel plate can be extruded to form grooves. the

It can be clearly seen from Fig. 2 that the upper shearing knife is two symmetrical parts, that is, the upper shearing knife 13, 131, both of which are installed on the upper connecting plate 5 at the center between the two forming plates 4 and 41, and are connected along the upper The plate 5 extends longitudinally, and the upper shearing knives 13 , 131 are symmetrical to the center of the punching punch 2 . the

The punching punch 2 is arranged at the center of the upper connecting plate 5, and is located between the two forming plates 4, 41; a semicircular arc portion concave inward is arranged on the opposite sides of the two forming plates 4, 41, and the The semicircular arc part is in contact with the semicircular outer surface of the punch; thus the two semicircular surfaces of the punching punch 2 are in close contact with the two forming plates 4, 41. the

And following forming knife as shown in Figure 3, is installed on lower connecting plate 7, is made up of two forming knives 12,121, and the longitudinal center line of connecting plate 7 below these two forming knives 12,121 is symmetrical. The two forming knives 12, 121 are arranged corresponding to the two forming plates 4, 41 respectively, and any one of the forming knives extends along the inner edge of one of the corresponding two forming plates at the corresponding position on the lower connecting plate 7. the

The punching die 8 is arranged on the center of the lower connecting plate 7 corresponding to the punching punch 2; place. the

Forming briquetting blocks 3 are provided on the upper forming plates 4 and 41 (see FIG. 2 ), and corresponding forming grooves are provided on the lower forming plates 15 (see FIG. 3 ). the

The upper forming plates 4, 41 are connected by the guide pins and return springs arranged on the upper connecting plate 5, one end of the return spring is fixed on the guide pins (not shown in the figure), and the other end is fixed on the upper forming plates 4, 41 ; The upper connecting plate 5 is provided with a limiting plate (not shown in the figure) for preventing the upper forming plates 4, 41 from falling off, so as to limit the falling of the upper forming plates 4, 41. the

The upper forming plate 4,41 is fixed with the sign punch 1, and the lower forming plate 15 is correspondingly provided with a mark die 6 that cooperates with the sign punch 1, and it presses out the mark according to the shape required by the mould. the

The four corners of the upper connecting plate 5 are provided with guide sleeves 11, and the four corners of the lower connecting plate 7 are correspondingly provided with guide posts 111 that cooperate with the guide sleeves 11, and ball bushings are arranged between the guide sleeves 11 and the guide posts 111 to ensure that The guide sleeve 11 can slide up and down along the guide post 111; the four corners of the upper connecting plate 5 corresponding to the guide post 11 are provided with perforations for the guide post 111 to extend out. the

The upper connecting plate 5 and the lower connecting plate 7 are all provided with a stripping column 10 for stripping, and a stripping spring 9 is arranged between the stripping column 10 and the upper connecting plate 5 or the lower connecting plate 7, and the stripping column 10 And the stripping spring 9 is used to make the smooth blanking of the sheet after shearing and stamping. the

Since the stamping device of the radiator sheet forming machine adopts a composite mold, the forming and shearing mechanism integrates the cutting, punching, forming, and flanging of the material, which simplifies the process and has a reliable structure and can adapt to different sheet types. The radiator sheet molding machine has realized automatic production, and a new radiator sheet processing technology has been provided. the

Claims (8)

1. radiator fin make-up machine decompressor; At least comprise upper and lower connecting plate, be arranged on the last profiled sheeting on the connecting plate, last shear knife; The compacted under cutter; Punching concave die and piercing punch is characterized in that: the said profiled sheeting of going up is made up of two formation of lots plates, and this two formation of lots plate is with the longitudinal centre line symmetry of said upper junction plate;

Said piercing punch is installed on the said upper junction plate, realizes punching shearing and stretch flanging with the punching concave die that is installed on the lower connecting plate when moving with upper junction plate;

Said upward shear knife is two symmetrical parts, is installed in the center between said two formation of lots plates on the said upper junction plate, and the longitudinal extension of the said upper junction plate in edge, and said two symmetrical parts are with the center symmetry of said piercing punch;

Said compacted under cutter is installed on the said lower connecting plate, be made up of two moulding cuttves, and these two moulding cuttves is integral type and symmetrical with the longitudinal centre line of said lower connecting plate.

2. a kind of radiator fin make-up machine decompressor as claimed in claim 1, it is characterized in that: said piercing punch is arranged on the center of said upper junction plate, and between said two formation of lots plates;

Be provided with the semicircular arc portion that concaves on the limit of said two formation of lots plate opposite sides, and this semicircular arc portion contacts with the semicircle outer surface of said punch;

Said two moulding cuttves correspond respectively to said two formation of lots plate settings, and wherein arbitrary moulding cutter extends along the corresponding position of inside edge on lower connecting plate of one of corresponding said two formation of lots plates;

Said punching concave die is arranged on the center of said lower connecting plate corresponding to said piercing punch;

The inner of said moulding cutter extends to said punching concave die, and the outer end extends to the outer side edges of said profiled sheeting along the corresponding position on lower connecting plate.

3. a kind of radiator fin make-up machine decompressor as claimed in claim 2 is characterized in that: the tongue and groove of certain specification requirement is arranged on the said profiled sheeting, and two plates can make the sheet metal extruding form groove when pressing.

4. like claim 1 or 2 or 3 described a kind of radiator fin make-up machine decompressors, it is characterized in that: the said profiled sheeting of going up is provided with the moulding briquetting, and corresponding compacted under plate is provided with the shaping groove that cooperates with it.

5. a kind of radiator fin make-up machine decompressor as claimed in claim 4; It is characterized in that: the said profiled sheeting of going up connects through guide finger and the back-moving spring that is arranged on the said upper junction plate; Said back-moving spring one end is fixed on the said guide finger, and its other end is fixed on said going up on the profiled sheeting; Said upper junction plate is provided with and is used to prevent the said limiting plate that profiled sheeting comes off of going up.

6. a kind of radiator fin make-up machine decompressor as claimed in claim 5 is characterized in that: said going up on the profiled sheeting is fixed with the sign punch, and corresponding setting has the sign die that cooperates with this sign punch on the compacted under plate.

7. a kind of radiator fin make-up machine decompressor according to claim 6; It is characterized in that: four jiaos of said upper junction plate are provided with guide pin bushing; Correspondingly be provided with the guide pillar that cooperates with this guide pin bushing on four jiaos of said lower connecting plate; Be provided with ball bushing between said guide pin bushing and the said guide pillar, guarantee that guide pin bushing can slide up and down along this guide pillar; The Si Jiaochu of the upper junction plate that said guide pillar is corresponding is provided with and supplies this guide pillar to stretch out perforation.

8. a kind of radiator fin make-up machine decompressor according to claim 7 is characterized in that: be provided with the stock column that takes off that is used to take off material on said upper junction plate and the lower connecting plate, this takes off to be provided with between stock column and said upper junction plate or the lower connecting plate and takes off the material spring.

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