Hardware stamping die replacing mechanism

Abstract

The utility model relates to the technical field of hardware machining equipment, in particular to a hardware stamping die replacing mechanism which comprises a stamping mechanism, the stamping mechanism comprises a conveying unit, one side of the conveying unit is fixedly connected with a first U-shaped frame, and the outer wall of one end of the first U-shaped frame is fixedly connected with a first hydraulic rod. A replacement mechanism is fixedly connected to one end of the first hydraulic rod, the replacement mechanism comprises a first square block and a pushing unit, and a second U-shaped frame is fixedly connected to the position, close to the center, of the outer wall of one side of the first square block. According to the utility model, by driving the first motor and the bidirectional reciprocating threaded rod to rotate, two adjacent limiting blocks can be driven to cling to or separate from each other as required, during working, the two limiting blocks cling to each other, so that a mold can be well limited and fixed, the working stability is effectively improved, and when the mold needs to be replaced, the two limiting blocks are separated from each other, so that the mold can be conveniently replaced. And the mold can be conveniently replaced and detached, and the detaching convenience is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware processing equipment, in particular to a hardware stamping die replacement mechanism. Background Art

[0002] The production and processing of hardware mainly adopts the cold stamping method. Cold stamping is a special processing technology that uses a die installed on a press to apply pressure to the material to separate or plastically deform the material, thereby processing it into the required parts or semi-finished products. In this process, the cold stamping die plays a key role and is an important tool for achieving efficient and precise processing.

[0003] The mold will be worn during use, and the wear will cause the mold accuracy to decrease, which in turn affects the quality of the product. The existing stamping device cannot quickly replace the mold, and the stamping machine stops for too long, resulting in reduced work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a metal stamping die replacement mechanism, which drives the bidirectional reciprocating threaded rod to rotate by driving motor No. 1, and can drive the two adjacent limit blocks to be close together or separated as needed. During operation, the two limit blocks are close together, so the mold can be well limited and fixed, and the working stability is effectively improved. When the mold needs to be replaced, the two limit blocks can be separated to facilitate the replacement and disassembly of the mold, and the convenience of disassembly is effectively improved. By providing a square rod No. 1, the mold can be well fixed in cooperation with the limit block. At the same time, it is convenient to disassemble the mold, and the fixation of the mold is effectively improved.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A metal stamping die replacement mechanism, comprising a stamping mechanism, the stamping mechanism comprising a conveying unit, one side of the conveying unit is fixedly connected to a U-shaped frame, an outer wall of one end of the U-shaped frame is fixedly connected to a hydraulic rod, and one end of the hydraulic rod is fixedly connected to a replacement mechanism;

[0007] The replacement mechanism includes block 1, block 2 and a pushing unit, the outer wall of block 1 is provided with two arc grooves at equal intervals, and the inner walls on both sides of the arc groove are provided with square groove 2, the outer wall of block 2 is provided with two arc holes at equal intervals, and the inner walls on both sides of the arc hole are provided with square groove 4, and a limiting block is slidably inserted inside square groove 2 or square groove 4.

[0008] Further, as follows: the outer wall of one side of block one is fixedly connected with a U-shaped frame two, the U-shaped frame two is fixedly connected with a hydraulic rod one, a spring telescopic rod is fixedly connected between the bottom wall of block one and the outer wall of block two near the four end positions, a two-way reciprocating threaded rod is screwed and connected between the outer walls on both sides of two adjacent limit blocks, the outer walls of the two-way reciprocating threaded rods are rotatably connected to the inside of block one or the inside of block two, two adjacent two-way reciprocating threaded rods are fixedly connected, one end outer wall of one of the two-way reciprocating threaded rods is fixedly connected with a spur gear one, and the other end outer wall of the two-way reciprocating threaded rod is fixedly connected with a spur gear two, a belt is transmission-connected between the outer wall of the spur gear one and the outer wall of the spur gear two, one of the two-way reciprocating threaded rods is fixedly connected with the rotating shaft of motor No. 1 near the position of spur gear one, the outer wall of motor No. 1 is fixedly connected to the outer wall of block one or block two, and a mold is slidably inserted between two sets of adjacent limit blocks.

[0009] Preferably: a square hole is opened on the top wall of the block 1 at the arc groove, round holes are opened on the outer wall of the block 1 at both sides of the square hole, and square rods 1 are fixedly connected to the outer wall of the block 1 at both sides of the square hole.

[0010] Preferably, a square groove three is formed on the outer wall of one end of the square rod, an inclined block is slidably inserted into the inside of the square groove three, and a spring is fixedly connected between the outer wall of the inclined block and the inner wall of the square groove three.

[0011] Preferably: the pushing unit includes a rack and a U-shaped frame three, the outer wall of the rack is fixedly connected to the bottom wall of the U-shaped frame two, the outer wall of the U-shaped frame three is fixedly connected to the second motor near the center position, the rotating shaft of the second motor is fixedly connected to the spur gear three, the outer wall of the spur gear three is meshed with the rack for transmission, the outer walls at both ends of the U-shaped frame three are fixedly connected to the square rod two, the outer walls on both sides of the square block one are provided with a square groove one, and the square groove one is slidably plugged into the square rod two.

[0012] Preferably: both ends of the U-shaped frame 3 are fixedly connected to hydraulic rod 2, and the outer wall of one end of the hydraulic rod 2 is fixedly connected to an electromagnet.

[0013] Preferably, an iron ring is fixedly connected to the outer wall of the mold at the center.

[0014] Beneficial effects of the utility model:

[0015] 1. By driving the No. 1 motor to drive the bidirectional reciprocating threaded rod to rotate, the two adjacent limit blocks can be driven to be close together or separated as needed. During operation, the mold can be well limited and fixed by the close contact of the two limit blocks, which effectively improves the working stability. When the mold needs to be replaced, the two limit blocks can be separated to facilitate the replacement and disassembly of the mold, effectively improving the convenience of disassembly.

[0016] 2. A square hole is opened on the top wall of the block at the arc groove, and round holes are opened on the outer wall of the block at both sides of the square hole, and a square rod is fixedly connected to the outer wall of the block at both sides of the square hole. By providing the square rod, the mold can be well fixed in conjunction with the limit block, and at the same time, it is convenient to disassemble the mold, effectively improving the fixation of the mold.

[0017] 3. A square groove three is opened through the outer wall of the first end of the square rod, and an inclined block is slidably inserted in the inside of the square groove three. A spring is fixedly connected between the outer wall of the inclined block and the inner wall of the square groove three. By providing the inclined block, when a new mold is inserted from one of the round holes, the inclined block is squeezed into the square groove three. After the square block one is inserted, the spring rebounds to make the inclined block slide out of the square rod one to limit the mold, making it convenient for the hydraulic rod two to drive the electromagnet to push the mold, effectively improving the working stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the replacement mechanism in the utility model;

[0021] Figure 3 It is a schematic diagram of a partial cross-sectional structure of a replacement mechanism in the utility model;

[0022] Figure 4 This utility model Figure 3 Schematic diagram of the structure at a in the middle;

[0023] Figure 5 It is a schematic diagram of the structure of the propulsion unit in the utility model.

[0024] In the figure: 100, punching mechanism; 110, conveying unit; 120, U-shaped frame 1; 121, hydraulic rod 1; 200, replacement mechanism; 210, block 1; 211, U-shaped frame 2; 212, square groove 1; 213, round hole; 214, square hole; 215, square groove 2; 216, motor 1; 217, spur gear 1; 218, two-way reciprocating threaded rod; 219, spur gear 2; 220, belt; 2 21. Square rod one; 222. Square slot three; 223. Oblique block; 224. Spring; 225. Arc hole; 226. Square block two; 227. Mould; 228. Iron ring; 230. Limit block; 231. Square slot four; 240. Push unit; 241. Rack; 242. U-shaped frame three; 243. Spur gear three; 244. Motor No. 2; 245. Square rod two; 246. Hydraulic rod two; 247. Electromagnet. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 As shown, a metal stamping die replacement mechanism includes a stamping mechanism 100, the stamping mechanism 100 includes a conveying unit 110, one side of the conveying unit 110 is fixedly connected to a U-shaped frame 120, the outer wall of one end of the U-shaped frame 120 is fixedly connected to a hydraulic rod 121, and one end of the hydraulic rod 121 is fixedly connected to a replacement mechanism 200, the replacement mechanism 200 includes a block 1 210, a block 226 and a pushing unit 240, the outer wall of the block 1 210 is provided with two arc grooves at equal intervals, and the inner walls on both sides of the arc groove are provided with square grooves 215, the block 22 Two arc holes 225 are provided on the outer wall at equal intervals, and square grooves 231 are provided on the inner walls on both sides of the arc holes 225. The square grooves 215 or the square grooves 231 are slidably inserted into the limiting blocks 230. The outer wall of one side of the block 1 210 is fixedly connected with a U-shaped frame 211, and the U-shaped frame 211 is fixedly connected with the hydraulic rod 1 121. The bottom wall of the block 1 210 and the outer wall of the block 2 226 near the four ends are fixedly connected with spring telescopic rods. The outer walls on both sides of the two adjacent limiting blocks 230 are screwed and connected with bidirectional reciprocating threaded rods 218. The bidirectional reciprocating threaded rods The outer wall of 218 is rotatably connected to the inside of block 1 210 or the inside of block 226, and two adjacent two-way reciprocating threaded rods 218 are fixedly connected, one end of the outer wall of one of the two-way reciprocating threaded rods 218 is fixedly connected to a spur gear 1 217, and the other end of the outer wall of the two-way reciprocating threaded rod 218 is fixedly connected to a spur gear 219, and a belt 220 is transmission-connected between the outer wall of the spur gear 1 217 and the outer wall of the spur gear 2 219, and the outer wall of one of the two-way reciprocating threaded rods 218 is fixedly connected to the rotating shaft of the No. 1 motor 216 near the position of the spur gear 1 217. The outer wall of the machine 216 is fixedly connected to the outer wall of block 1 210 or block 2 226, a mold 227 is slidably inserted between two adjacent groups of limit blocks 230, a square hole 214 is opened on the top wall of block 1 210 at the arc groove, and round holes 213 are opened on the outer wall of block 1 210 at both sides of the square hole 214, and a square rod 1 221 is fixedly connected to the outer wall of block 1 210 at both sides of the square hole 214, a square groove 3 222 is opened on the outer wall of one end of the square rod 1 221, an inclined block 223 is slidably inserted inside the square groove 3 222, and a spring 224 is fixedly connected between the outer wall of the inclined block 223 and the inner wall of the square groove 3 222.

[0027] The pushing unit 240 includes a rack 241 and a U-shaped frame 242. The outer wall of the rack 241 is fixedly connected to the bottom wall of the U-shaped frame 211. The outer wall of the U-shaped frame 242 is fixedly connected to a No. 2 motor 244 near the center. The rotating shaft of the No. 2 motor 244 is fixedly connected to a spur gear 3 243. The outer wall of the spur gear 3 243 is meshed with the rack 241 for transmission. The outer walls of both ends of the U-shaped frame 242 are fixedly connected to a square rod 2 245. The outer walls of both sides of the square block 1 210 are provided with a square groove 1 212. The square groove 1 212 is slidably connected to the square rod 245. The two ends of the U-shaped frame 242 are fixedly connected to a hydraulic rod 246. The outer wall of one end of the hydraulic rod 246 is fixedly connected to an electromagnet 247. The outer wall of the mold 227 is fixedly connected to an iron ring 228 at the center.

[0028] Specifically, during operation, when it is detected that the mold 227 needs to be replaced, the conveying unit 110 and the hydraulic rod 121 are stopped, and the personnel insert the new mold 227 into one of the circular holes 213, and the inclined block 223 is squeezed into the square groove 3 222. When the new mold 227 is inserted into the square block 1 210, the spring 224 rebounds and causes the inclined block 223 to slide out of the square rod 1 221 to limit the mold 227. The No. 2 motor 244 drives the spur gear 3 243 to engage with the rack 241, and drives the U-shaped frame 3 242 to move to the same horizontal position of the mold 227 that needs to be replaced. The No. 1 motor 216 drives one of the two-way reciprocating threaded rods 218 to rotate, and drives the other adjacent two-way reciprocating threaded rod 218 to rotate through the belt 220, and drives the two adjacent limit blocks 230 to screw and separate from the two-way reciprocating threaded rod 218, thereby releasing the limit on the damaged mold 227. , one hydraulic rod 246 drives the electromagnet 247 to move to the damaged mold 227, and the electromagnet 247 drives the iron ring 228 to be adsorbed, and then the damaged mold 227 is pulled to slide to the side of the arc hole 225, and the other hydraulic rod 246 drives the electromagnet 247 to move to the new mold 227, and adsorbs with the iron ring 228, and continues to drive the adsorbed iron ring 228 to move between the two adjacent limit blocks 230, and the electromagnet 247 cancels the adsorption of the iron ring 228, and the No. 1 motor 216 drives the two adjacent two-way reciprocating threaded rods 218 to rotate, and drives the two adjacent limit blocks 230 to gather to the middle, and limit the new mold 227, and the personnel pull the damaged mold 227 out of the inside of the block 1 210 and the block 2 226 from the other circular hole 213, and the conveying unit 110 and the hydraulic rod 1 121 drive to continue the stamping work.

[0029] Embodiment 1

[0030] like Figure 5As shown, in this embodiment, the pushing unit 240 includes a rack 241 and a U-shaped frame 242. The outer wall of the rack 241 is fixedly connected to the bottom wall of the U-shaped frame 211. The outer wall of the U-shaped frame 242 is fixedly connected to the second motor 244 near the center position. The rotating shaft of the second motor 244 is fixedly connected to the spur gear 3 243. The outer wall of the spur gear 3 243 is meshed with the rack 241 for transmission. The outer walls at both ends of the U-shaped frame 242 are fixedly connected to the square rod 245. The outer walls on both sides of the block 1 210 are provided with square grooves 1 212, and the square grooves 1 212 are slidably plugged into the square rod 245.

[0031] In this embodiment, according to the position of the mold 227 that needs to be replaced, the second motor 244 drives the spur gear three 243 to engage with the rack 241, and quickly drives the U-shaped frame three 242 to move to the same horizontal position as the mold 227 that needs to be replaced, so as to facilitate the replacement operation and effectively improve work efficiency.

[0032] like Figure 3 and 5 As shown, in this embodiment, both ends of the U-shaped frame 242 are fixedly connected to the hydraulic rod 246, the outer wall of one end of the hydraulic rod 246 is fixedly connected to the electromagnet 247, and the outer wall of the mold 227 is fixedly connected to the iron ring 228 at the center.

[0033] During specific implementation, when it is necessary to replace the damaged mold 227 with a new mold 227, one of the hydraulic rods 246 drives the electromagnet 247 to move to the damaged mold 227, and the electromagnet 247 drives to adsorb the iron ring 228, and then pulls the damaged mold 227 to slide to the side of the arc hole 225. The other hydraulic rod 246 drives the electromagnet 247 to move to the new mold 227 and adsorbs the iron ring 228, and continues to drive the adsorbed iron ring 228 to move between two adjacent limit blocks 230. The electromagnet 247 cancels the adsorption of the iron ring 228. By quickly replacing the position between the damaged mold 227 and the new mold 227, the work efficiency is effectively improved, and there is no need for personnel to disassemble. After completion, the personnel only need to pull the damaged mold 227 out from the inside of block one 210 and block two 226 through one of the circular holes 213.

[0034] Embodiment 2

[0035] like Figure 1-2As shown, in this embodiment, the replacement mechanism 200 includes a block 1 210 and a pushing unit 240. A U-shaped frame 211 is fixedly connected to an outer wall of one side of the block 1 210 near the center position. The outer wall of the U-shaped frame 211 is fixedly connected to the outer wall of the hydraulic rod 1 121. A spring telescopic rod is fixedly connected to the bottom wall of the block 1 210 near the four ends, and a block 226 is fixedly connected between the outer walls of one end of the four spring telescopic rods. Two arc grooves are evenly spaced on the outer wall of the block 1 210, and square grooves 215 are formed on the inner walls on both sides of the arc groove. Two arc holes 225 are evenly spaced on the outer wall of the block 2 226, and square grooves 4 231 are formed on the inner walls on both sides of the arc hole 225. A limit block 230 is slidably inserted inside the square groove 215 or the square groove 4 231, and the outer walls on both sides of two adjacent limit blocks 230 A two-way reciprocating threaded rod 218 is screwed together, and the outer wall of the two-way reciprocating threaded rod 218 is rotatably connected to the inside of block one 210 or the inside of block two 226. Two adjacent two-way reciprocating threaded rods 218 are fixedly connected, and the outer wall of one end of one of the two-way reciprocating threaded rods 218 is fixedly connected to a spur gear one 217, and the outer wall of the other two-way reciprocating threaded rod 218 is fixedly connected to a spur gear two 219. A belt 220 is transmission-connected between the outer wall of the spur gear one 217 and the outer wall of the spur gear two 219. The outer wall of one of the two-way reciprocating threaded rods 218 is fixedly connected to the rotating shaft of motor one 216 near the position of spur gear one 217, and the outer wall of motor one 216 is fixedly connected to the outer wall of block one 210 or the outer wall of block two 226. A mold 227 is slidably inserted between two sets of adjacent limit blocks 230.

[0036] During specific implementation, motor No. 1 216 drives one of the bidirectional reciprocating threaded rods 218 to rotate, and through the belt 220, drives the other adjacent bidirectional reciprocating threaded rod 218 to rotate, driving the two adjacent limit blocks 230 to gather towards the middle, or slide in opposite directions. During operation, the two limit blocks 230 are tightly attached to each other, so that the mold 227 can be well limited and fixed, effectively improving the working stability. When the mold 227 needs to be replaced, the two limit blocks 230 can be separated to facilitate the replacement and disassembly of the mold 227, effectively improving the convenience of disassembly.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific characteristic structure materials or features described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific characteristic structure materials or features described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above contents are merely examples and explanations of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. A metal stamping die replacement mechanism, characterized in that: The punching mechanism (100) comprises a conveying unit (110), one side of the conveying unit (110) is fixedly connected to a U-shaped frame (120), an outer wall of one end of the U-shaped frame (120) is fixedly connected to a hydraulic rod (121), and one end of the hydraulic rod (121) is fixedly connected to a replacement mechanism (200); The replacement mechanism (200) comprises a block 1 (210), a block 2 (226) and a pushing unit (240); the outer wall of the block 1 (210) is provided with two arc grooves at equal intervals, and the inner walls on both sides of the arc grooves are provided with square grooves 2 (215); the outer wall of the block 2 (226) is provided with two arc holes (225) at equal intervals, and the inner walls on both sides of the arc holes (225) are provided with square grooves 4 (231); and a limiting block (230) is slidably inserted inside the square groove 2 (215) or the square groove 4 (231).

2. A metal stamping die replacement mechanism according to claim 1, characterized in that: The outer wall of one side of the block 1 (210) is fixedly connected with a U-shaped frame 2 (211), the U-shaped frame 2 (211) is fixedly connected with the hydraulic rod 1 (121), the bottom wall of the block 1 (210) and the outer wall of the block 2 (226) near the four ends are fixedly connected with spring telescopic rods, the outer walls of the two adjacent limit blocks (230) are screwed and connected with a bidirectional reciprocating threaded rod (218), the outer wall of the bidirectional reciprocating threaded rod (218) is rotatably connected with the inside of the block 1 (210) or the inside of the block 2 (226), the two adjacent bidirectional reciprocating threaded rods (218) are fixedly connected, and one of the bidirectional reciprocating threaded rods (218) is screwed and connected with the outer wall of the bidirectional reciprocating threaded rod (218) and the inside of the block 1 (210) or the inside of the block 2 (226). The outer wall of one end of the block (218) is fixedly connected to a spur gear 1 (217), the outer wall of one end of the other bidirectional reciprocating threaded rod (218) is fixedly connected to a spur gear 2 (219), a belt (220) is connected between the outer wall of the spur gear 1 (217) and the outer wall of the spur gear 2 (219), the outer wall of one bidirectional reciprocating threaded rod (218) is fixedly connected to the shaft of the first motor (216) near the position of the spur gear 1 (217), the outer wall of the first motor (216) is fixedly connected to the outer wall of the block 1 (210) or the outer wall of the block 2 (226), and a mold (227) is slidably inserted between two sets of adjacent limit blocks (230).

3. A metal stamping die replacement mechanism according to claim 2, characterized in that: A square hole (214) is opened on the top wall of the block 1 (210) at the arc groove, and round holes (213) are opened on the outer wall of the block 1 (210) at both sides of the square hole (214). The outer wall of the block 1 (210) is fixedly connected with a square rod 1 (221) at both sides of the square hole (214).

4. A metal stamping die replacement mechanism according to claim 3, characterized in that: A square groove three (222) is provided on the outer wall of one end of the square rod one (221), an inclined block (223) is slidably inserted inside the square groove three (222), and a spring (224) is fixedly connected between the outer wall of the inclined block (223) and the inner wall of the square groove three (222).

5. A metal stamping die replacement mechanism according to claim 4, characterized in that: The pushing unit (240) comprises a rack (241) and a U-shaped frame (242). The outer wall of the rack (241) is fixedly connected to the bottom wall of the U-shaped frame (211). A second motor (244) is fixedly connected to the outer wall of the U-shaped frame (242) near the center. The rotating shaft of the second motor (244) is fixedly connected to a spur gear (243). The outer wall of the spur gear (243) is meshed with the rack (241) for transmission. The outer walls at both ends of the U-shaped frame (242) are fixedly connected to a square rod (245). The outer walls at both sides of the square block (210) are provided with a square groove (212). The square groove (212) is slidably plugged with the square rod (245).

6. A metal stamping die replacement mechanism according to claim 5, characterized in that: Both ends of the U-shaped frame 3 (242) are fixedly connected to hydraulic rod 2 (246), and the outer wall of one end of the hydraulic rod 2 (246) is fixedly connected to an electromagnet (247).

7. A metal stamping die replacement mechanism according to claim 6, characterized in that: An iron ring (228) is fixedly connected to the outer wall of the mold (227) at the center.

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