Intelligent clamp special for hardware mold base machining

Abstract

The invention relates to the field of hardware stamping machining, in particular to a special intelligent clamp for hardware mold base machining, which comprises a mold, an electric intelligent conveying roller group and the like. According to the intelligent clamp special for hardware mold base machining, the vertical moving frame which reciprocates up and down is arranged on the punching machine tool, a conveying clamp is jointly composed of a mold on the vertical moving frame and an electric intelligent conveying roller set, and the two steel belts are driven to reciprocate up and down to conduct punching work; one-time hardware stamping processing of two steel belts can be completed in sequence in one up-and-down reciprocating movement period, meanwhile, the whole equipment is more compact, in the process that the conveying clamp drives the steel belts to move up and down in a reciprocating mode, the steel belts can be made to complete hardware stamping processing in a straightened state, and the hardware stamping processing effect on the steel belts is improved. The technical defects that a reciprocating punching mechanism in a punching machine tool is low in energy consumption utilization efficiency and needs to occupy a large placing space are overcome.

Description

Technical Field

[0001] The present invention relates to the field of hardware stamping processing, and particularly relates to an intelligent fixture dedicated to the processing of hardware part die blanks. Background Art

[0002] In the hardware stamping processing of steel strips, after the steel strips are processed by an uncoiler and a straightening and leveling machine, they are conveyed to a stamping machine tool through a conveying roller mechanism. The reciprocating stamping mechanism cooperates with a punch rod and a die to stamp the steel strips into shape. Then, the parts of the steel strips that have completed the hardware stamping processing are conveyed to the next hardware processing equipment through the conveying roller mechanism. Since the steel strips are relatively thin, the punching force required for stamping the steel strips is relatively small. However, the reciprocating stamping mechanism drives the punch rod to move up and down reciprocally based on a motion structure that rotates and converts to linear motion. Therefore, after each time the punch rod completes a punching structure on the steel strips, a relatively large amount of energy is consumed to drive the punch rod to complete the redundant upward movement step. This process will cause energy loss and result in reduced efficiency. Moreover, the reciprocating stamping mechanism of each stamping machine tool occupies a relatively large volume. Therefore, when there are multiple stamping machine tool production lines for hardware stamping processing of steel strips, a relatively large space is required to place multiple stamping machine tools, resulting in a low space utilization rate of the workshop. Summary of the Invention

[0003] In order to overcome the disadvantages that the reciprocating stamping mechanism in the stamping machine tool has a low energy consumption utilization efficiency and requires a relatively large placement space, the present invention provides an intelligent fixture dedicated to the processing of hardware part die blanks.

[0004] The technical solution of the present invention is: an intelligent fixture dedicated to the processing of hardware part die blanks, including a stamping machine tool, a vertical moving frame, a driving motor, a power shaft, a rotating arm, a transmission arm, a synchronous shaft, a die, an electric intelligent conveying roller group, a fixing block, a pressing plate, a punch rod, and a compression spring; the vertical moving frame is slidably connected to the stamping machine tool; two driving motors are installed on the stamping machine tool; the output end of the driving motor is fixedly connected to the power shaft; the rotating arm is fixedly connected to the power shaft; a synchronous shaft is rotatably connected between the two rotating arms; a transmission arm is rotatably connected between the synchronous shaft and the upper side of the vertical moving frame; a transmission arm is also rotatably connected between the synchronous shaft and the lower side of the vertical moving frame; a die is fixedly connected to each of the upper side and the lower side of the vertical moving frame; a moving groove structure for guiding the movement of the steel strip is formed on the die; an electric intelligent conveying roller group for conveying the movement of the steel strip is installed on the die; a fixing block is fixedly connected to each of the upper side and the lower side of the stamping machine tool, and the two dies are located between the two fixing blocks; the pressing plate is slidably connected to the fixing block; the punch rod is fixedly connected to the fixing block; the punch rod is respectively slidably connected to the pressing plate on the same side; a compression spring is fixedly connected between the pressing plate and the corresponding fixing block; a punching structure corresponding to the punch rod on the same side is formed on each die.

[0005] More preferably, a wedge-shaped clamping plate for aligning the corresponding pressing plate is slidably connected to the front side and the rear side of the moving groove structure of the mold; a sliding rod is fixedly connected to the wedge-shaped clamping plate; a tension spring is fixedly connected between the sliding rod and the corresponding mold.

[0006] More preferably, a plurality of limit clamping strips are fixedly connected inside the moving groove structure of the mold.

[0007] More preferably, an air outlet hole structure is provided inside the punching rod; an air inlet pipe for connecting to the air outlet hole structure inside the corresponding punching rod is fixedly connected to the fixing block.

[0008] More preferably, the air outlet hole structure is set to be a structure inclined forward towards the corresponding mold.

[0009] More preferably, the mold is equipped with a heater.

[0010] More preferably, the heater used is a heat medium heating machine, a cavity structure for accommodating the heat medium is provided inside the heater, and a liquid inlet port structure and a liquid outlet port structure for connecting to the cavity structure are successively provided on the heater; a liquid delivery pipe is commonly connected between the liquid inlet port structures of the two heaters; a return pipe is commonly connected between the liquid outlet port structures of the two heaters.

[0011] More preferably, the limit clamping strips are made of elastic rubber material.

[0012] More preferably, two fixing rods are fixedly connected to the punching machine tool; an image recognition sensor for observing the processing effect of the steel belt hardware stamping is installed on the fixing rod.

[0013] More preferably, a shock absorber is provided between the fixing rod and the corresponding image recognition sensor.

[0014] The beneficial effects are as follows: For a special intelligent fixture for processing hardware part mold blanks of the present invention, a vertical moving frame that moves up and down is provided on the punching machine tool. The transfer fixture is jointly composed of the mold and the electric intelligent conveying roller group on the vertical moving frame, and drives the two steel belts to move up and down reciprocally respectively for stamping work, realizing that one up and down reciprocating movement cycle can successively complete one-time hardware stamping processing of the two steel belts. At the same time, the overall equipment is more compact. During the process of driving the steel belt to move up and down reciprocally, the transfer fixture can not only enable the steel belt to complete the hardware stamping processing in a straightened state, improving the hardware stamping processing effect on the steel belt, but also use the vibration generated on the surface of the steel belt to shake off and clean the residual stamping debris on its surface; For a special intelligent fixture for processing hardware part mold blanks of the present invention, it overcomes the technical disadvantages that the reciprocating stamping mechanism in the punching machine tool has low energy consumption utilization efficiency and requires a large placement space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional schematic diagram of the present invention;

[0016] Figure 2 Schematic three-dimensional view of the vertical moving frame of the present invention;

[0017] Figure 3 Schematic three-dimensional view of the transmission arm of the present invention;

[0018] Figure 4 Schematic three-dimensional view of the vertical moving frame and the mold of the present invention;

[0019] Figure 5 Schematic three-dimensional view of the mold of the present invention;

[0020] Figure 6 Schematic three-dimensional view of the electric intelligent conveying roller group of the present invention;

[0021] Figure 7 Schematic exploded three-dimensional view of the mold and the wedge-shaped clamping plate of the present invention;

[0022] Figure 8 Schematic three-dimensional view of the punching rod of the present invention.

[0023] Reference numerals: 1 - punching machine tool, 2 - vertical moving frame, 21 - driving motor, 22 - power shaft, 23 - rotating arm, 24 - transmission arm, 25 - synchronizing shaft, 3 - mold, 301 - moving groove structure, 302 - punching structure, 31 - wedge-shaped clamping plate, 32 - sliding rod, 33 - tension spring, 34 - limit clamping strip, 35 - electric intelligent conveying roller group, 41 - fixing block, 42 - pressing plate, 43 - punching rod, 4301 - air outlet structure, 44 - compression spring, 45 - air inlet pipe, 5 - heater, 51 - infusion pipe, 52 - return pipe, 61 - fixing rod, 62 - image recognition sensor, 63 - shock absorber. Detailed implementation manners

[0024] The present invention will be further described below in conjunction with the embodiments shown in the drawings.

[0025] Embodiment 1, a special intelligent fixture for processing hardware part mold blanks of the present invention, as Figures 1 - 8As shown in the figure, it includes a stamping machine tool 1, a vertically movable frame 2, a driving motor 21, a power shaft 22, a swing arm 23, a transmission arm 24, a synchronizing shaft 25, a mold 3, an electric intelligent conveyor roller group 35, a fixing block 41, a pressing plate 42, a punching rod 43 and a compression spring 44; a vertically movable frame 2 is slidably connected to the stamping machine tool 1; two driving motors 21 are installed on the stamping machine tool 1; a power shaft 22 is fixedly connected to the output end of each of the two driving motors 21; a swing arm 23 is fixedly connected to each of the two power shafts 22; a synchronizing shaft 25 is rotatably connected between the two swing arms 23; a transmission arm 24 is rotatably connected between the synchronizing shaft 25 and the upper side of the vertically movable frame 2; a transmission arm 24 is also rotatably connected between the synchronizing shaft 25 and the lower side of the vertically movable frame 2; a mold 3 is fixedly connected to each of the upper side and the lower side of the vertically movable frame 2; a moving groove structure 301 is formed in each of the two molds 3; an electric intelligent conveyor roller group 35 is installed at each of the left end and the right end of the two molds 3; a fixing block 41 is fixedly connected to each of the upper side and the lower side of the stamping machine tool 1, and the two molds 3 are located between the two fixing blocks 41; a pressing plate 42 is slidably connected to each side of the two fixing blocks 41 facing the corresponding mold 3; two punching rods 43 are fixedly connected to each of the two fixing blocks 41; each punching rod 43 on the fixing block 41 is slidably connected to the pressing plate 42 on the same side; two compression springs 44 are fixedly connected between each of the two pressing plates 42 and the corresponding fixing block 41, and the compression spring 44 is sleeved on the outer surface of the corresponding punching rod 43; two punching hole structures 302 corresponding to the two punching rods 43 on the same side are formed in each of the two molds 3.

[0026] As Figures 5 - 7 shown in the figure, a wedge-shaped clamping plate 31 aligned with the corresponding pressing plate 42 is slidably connected to each of the front side and the rear side of the moving groove structure 301 of the two molds 3; two sliding rods 32 are fixedly connected to each wedge-shaped clamping plate 31; a tension spring 33 is fixedly connected between each sliding rod 32 and the corresponding mold 3, and the tension spring 33 is sleeved on the outer surface of the corresponding sliding rod 32; a number of limiting clamping strips 34 are fixedly connected to the moving groove structures 301 of the two molds 3.

[0027] The working steps of a special intelligent fixture for processing hardware part die blanks of the present invention are as follows.

[0028] After the staff members respectively clamp two steel belts in the moving groove structures 301 of two molds 3, the moving groove structures 301 in the molds 3 cooperate with the wedge-shaped clamping plates 31 and the limit clamping strips 34 to jointly clamp the steel belts. The intelligent electric transmission roller groups 35 at both ends of the molds 3 drive the steel belts to move to the right for transmission work. Two driving motors 21 respectively drive the power shafts 22 and the swing arms 23 connected thereto to rotate. The two swing arms 23 drive the two transmission arms 24 to synchronously push the vertical moving frame 2 to reciprocate in the up and down direction of the stamping machine 1. The synchronizing shaft 25 can connect the two swing arms 23 together to perform synchronous rotational motion. Whenever the vertical moving frame 2 drives the mold 3 on the moving direction side to move towards the fixed block 41 on the same side, the mold 3 pulls the steel belt to move synchronously towards the fixed block 41. At this time, first, the pressing plate 42 pushes the wedge-shaped clamping plate 31 to drive the sliding rod 32 to move away from the steel belt. At the same time, the sliding rod 32 drives the tension spring 33 to stretch, so that the pressing plate 42 can replace the wedge-shaped clamping plate 31 to press the steel belt against the moving groove structure 301 of the mold 3. Subsequently, the punching rod 43 on the fixed block 41 punches the part to be punched on the steel belt into the punching structure 302 of the mold 3 until the punching rod 43 pushes the punched piece out of the punching structure 302 of the mold 3. After that, the vertical moving frame 2 drives the mold 3 to move away from the fixed block 41 in the opposite direction, so that the pressing plate 42 and the punching rod 43 on the fixed block 41 leave the mold 3. At the same time, the stretched tension spring 33 drives the wedge-shaped clamping plate 31 to move back to its original position, completing a metal stamping process for the steel belt. Every time the steel belt completes a metal stamping process, the intelligent electric transmission roller groups 35 at both ends of the mold 3 drive the steel belt to move to the right by a specified distance, so that the new part to be punched on the steel belt is aligned with the punching rod 43.

[0029] Since there is one mold 3 provided on each of the upper and lower sides of the vertical moving frame 2, one up and down reciprocating movement cycle of the vertical moving frame 2 can successively complete a metal stamping process for two steel belts. This not only combines two stamping machines 1 into one device and performs metal stamping processes on two steel belts simultaneously, but also makes the overall device more compact and reduces the space occupied by the device. Since the synchronizing shaft 25 can connect the two swing arms 23 together to perform synchronous rotational motion, even if only one driving motor 21 is used in the device, it can meet the requirement of driving the vertical moving frame 2 to reciprocate up and down and complete the metal stamping process for two steel belts, significantly improving the energy consumption utilization rate of the device.

[0030] Since a conveying roller mechanism is connected to each of the parts of the steel strip on both sides of the die 3, and the steel strip is in a loose state without being tightened between the two conveying roller mechanisms, when the die 3 pulls the steel strip to move in the direction of the fixed block 41, the steel strip can be processed by hardware stamping in a stretched and straightened state, improving the hardware stamping processing effect on the steel strip. During the process of driving the steel strip to reciprocate up and down, the die 3 can also cause the areas on both sides of the die 3 to vibrate up and down, realizing the cleaning of the residual stamping debris on the surface of the steel strip by the vibration generated on the surface of the steel strip.

[0031] As Figure 8 shown, each punching rod 43 of a special intelligent fixture for processing a hardware part blank of the present invention is provided with an air outlet structure 4301 penetrating up and down; two fixing blocks 41 are fixedly connected with two air inlet pipes 45 respectively; each air inlet pipe 45 is respectively connected to the air outlet structure 4301 in the corresponding punching rod 43, and the air inlet pipe 45 is externally connected to an air flow conveying device, and the externally connected air flow conveying device continuously conveys air flow to the air outlet structure 4301 through the air inlet pipe 45; each air outlet structure 4301 is set to be a forward inclined structure towards the corresponding die 3; when the punching rod 43 pushes the punched sheet punched from the steel strip out of the punching structure 302 of the die 3, the air flow blowing forward along the air outlet structure 4301 will blow the punched sheet forward, so that the pushed punched sheet falls forward away from the moving range of the vertical moving frame 2, avoiding the normal operation of the vertical moving frame 2 being affected due to the accumulation of a large number of punched sheets within its moving range.

[0032] Embodiment 2, as Figures 1 - 8As shown in the figure, on the basis of Embodiment 1, a heater 5 is installed at the feeding end of each of the two molds 3 in this embodiment; both of the two heaters 5 use a heat medium heating machine. A cavity structure for accommodating the heat medium is provided inside the heater 5, and a liquid inlet port structure and a liquid outlet port structure for connecting to the cavity structure are successively provided on the heater 5; since the distance between the liquid inlet port structures of the two heaters 5 is relatively close, a liquid delivery pipe 51 is commonly connected between the liquid inlet port structures of the two heaters 5, and the liquid delivery pipe 51 is externally connected to the liquid delivery port of the heat medium circulation facility equipment; since the distance between the liquid outlet port structures of the two heaters 5 is relatively close, a return pipe 52 is commonly connected between the liquid outlet port structures of the two heaters 5, and the return pipe 52 is externally connected to the return port of the heat medium circulation facility equipment; the externally connected heat medium circulation facility equipment circulates and delivers heat medium fluid to the cavity structures of the two heaters 5 respectively through the liquid delivery pipe 51, and the heat medium fluid in the cavity structures of the heaters 5 flows back to the externally connected heat medium circulation facility equipment through the return pipe 52, realizing preheating the steel strip passing through the moving groove structures 301 of the two molds 3 respectively with the heat medium fluid in the shared heater 5. During the subsequent metal stamping process of the preheated steel strip, the phenomenon of burrs at the stamping port structure can be reduced, and the two heaters 5 share a liquid delivery pipe 51, a return pipe 52 and the externally connected heat medium circulation facility equipment, which can reduce the energy loss required for heating; both of the two limit strips 34 are made of elastic rubber material. When the steel strip passes between the moving groove structure 301 of the mold 3 and the limit strip 34, the steel strip exerts an outward extrusion on the limit strip 34, and the extruded limit strip 34 pushes the steel strip downward to closely adhere to the surface of the heater 5 under the action of the reverse deformation elastic force generated by its own elastic rubber material, improving the preheating effect of the heat medium in the heater 5 on the steel strip.

[0033] Embodiment 3, as Figures 1 - 8 shown in the figure, on the basis of Embodiment 1, two fixing rods 61 are fixedly connected to the stamping machine tool 1 in this embodiment; an image recognition sensor 62 is installed on each of the two fixing rods 61, and the two image recognition sensors 62 are respectively aligned with the discharging ends of the two molds 3. The image recognition sensor 62 continuously performs intelligent image recognition on the part of the steel strip coming out of the discharging end of the mold 3, automatically observes and recognizes the effect of the metal stamping process of the steel strip, and automatically judges whether there are large defects in each stamping port structure of the steel strip respectively; a shock absorber 63 is provided between each of the two fixing rods 61 and the corresponding image recognition sensor 62. When the mold 3 reciprocally impacts the pressing plate 42, it will generate a large vibration impact on the overall stamping machine tool 1, and the vibration impact transmitted along the fixing rod 61 of the stamping machine tool 1 towards the image recognition sensor 62 will be absorbed by the shock absorber 63 in time, reducing the interference caused by the vibration impact to the intelligent image recognition work of the image recognition sensor 62.

[0034] The above are only embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present invention.

Claims

1. An intelligent fixture dedicated to the processing of hardware mold blanks, comprising: a stamping machine tool (1); It is characterized in that It further includes a vertically moving frame (2); the vertically moving frame (2) is slidably connected to the stamping machine tool (1); two driving motors (21) are installed on the stamping machine tool (1); the output end of the driving motor (21) is fixedly connected to a power shaft (22); a rotating arm (23) is fixedly connected to the power shaft (22); a synchronous shaft (25) is rotatably connected between the two rotating arms (23); a transmission arm (24) is rotatably connected between the synchronous shaft (25) and the upper side of the vertically moving frame (2); a transmission arm (24) is also rotatably connected between the synchronous shaft (25) and the lower side of the vertically moving frame (2); a mold (3) is fixedly connected to each of the upper side and the lower side of the vertically moving frame (2); a moving groove structure (301) for guiding the movement of the steel belt is provided on the mold (3); an electric intelligent conveyor roller group (35) for conveying the movement of the steel belt is installed on the mold (3); a fixed block (41) is fixedly connected to each of the upper side and the lower side of the stamping machine tool (1), and the two molds (3) are located between the two fixed blocks (41); a pressing plate (42) is slidably connected to the fixed block (41); a punching rod (43) is fixedly connected to the fixed block (41); the punching rod (43) is respectively slidably connected to the pressing plate (42) on the same side; a compression spring (44) is fixedly connected between the pressing plate (42) and the corresponding fixed block (41); a punching hole structure (302) corresponding to the punching rod (43) on the same side is provided on each of the molds (3).

2. The intelligent fixture dedicated to the processing of a hardware mold base according to claim 1, characterized in that, A wedge-shaped clamping plate (31) for aligning with the corresponding pressing plate (42) is slidably connected to each of the front side and the rear side of the moving groove structure (301) of the mold (3); a sliding rod (32) is fixedly connected to the wedge-shaped clamping plate (31); a tension spring (33) is fixedly connected between the sliding rod (32) and the corresponding mold (3).

3. The intelligent fixture dedicated to the processing of a hardware mold base according to claim 1, wherein, A number of limiting clamping strips (34) are fixedly connected in the moving groove structure (301) of the mold (3).

4. The intelligent fixture dedicated to the processing of a metal hardware mold base according to claim 1, characterized in that, An air outlet structure (4301) is provided in the punching rod (43); an air inlet pipe (45) for connecting to the air outlet structure (4301) in the corresponding punching rod (43) is fixedly connected to the fixed block (41).

5. The intelligent fixture dedicated to the processing of a hardware mold base according to claim 4, characterized in that 6. The intelligent fixture dedicated to the processing of a metal hardware mold base according to claim 1, characterized in that, The air outlet structure (4301) is set to be a forward-inclined structure towards the corresponding mold (3).

7. The special intelligent fixture for processing the hardware mold base according to claim 6, characterized in that, A heater (5) is installed on the mold (3).

8. The intelligent fixture dedicated to the processing of a hardware mold base according to claim 1, characterized in that, The heater (5) uses a heat medium heating machine. A cavity structure for accommodating the heat medium is provided in the heater (5). An inlet liquid port structure and an outlet liquid port structure for connecting to the cavity structure are successively provided on the heater (5); a liquid infusion pipe (51) is commonly connected between the inlet liquid port structures of the two heaters (5); a return pipe (52) is commonly connected between the outlet liquid port structures of the two heaters (5).

9. An intelligent fixture dedicated to the processing of a metal hardware mold base according to any one of claims 1-8, characterized in that, The limiting clamping strips (34) are made of elastic rubber material.

10. The intelligent fixture dedicated to the processing of the metal part mold base according to claim 9, characterized in that, Two fixed rods (61) are fixedly connected to the stamping machine tool (1); an image recognition sensor (62) for observing the effect of the steel belt hardware stamping process is installed on the fixed rod (61). A shock absorber (63) is provided between the fixed rod (61) and the corresponding image recognition sensor (62).

Images