Scrap removal device for automatic press lines

Abstract

The application discloses a waste removal device for an automatic stamping production line, which comprises an upper driving part, a swing part, a lower driven part and a waste removal part, the upper driving part is arranged on one side of an upper die holder of a stamping die, the upper end of the swing part is connected with the upper driving part, the lower driven part is arranged below the upper driving part and on the side surface of a lower die holder of the stamping die, and the waste removal part is arranged at the lower part of the lower driven part, and the swing part impacts the lower driven part to drive the waste removal part to perform a reciprocating linear motion once for each stamping of the stamping die.

Description

TECHNICAL FIELD

[0001] The present application relates to the stamping technical field, specifically relates to a kind of scrap removal device for automatic stamping production line. BACKGROUND

[0002] During stamping process, scrap and offcut need to be quickly removed from the lower side of the die cavity of stamping die, and an inclined chute is usually arranged on the two sides of the lower die holder, the scrap after stamping falls into the chute and slides into the scrap cylinder for collecting scrap, and the scrap is easily accumulated in the chute and cannot continue to slide, and when the accumulation is too much, the production line is easily stopped, and manual cleaning is required, which is time-consuming and laborious. The invention patent with the patent number CN104785664B discloses a scrap removal device for forming die of automobile cover, which comprises a swing rod arranged beside the lower die holder of the stamping die, the swing rod is hingedly arranged on the support and the hinge shaft is horizontally arranged, a receiving disc is arranged on the rod of the swing rod, and a dragging mechanism is arranged to drag the receiving disc to reciprocate along the length direction of the swing rod. When the stamping die shears the scrap, the scrap directly falls on the receiving disc, and the dragging mechanism drives the receiving disc to move along the length direction of the swing rod, so that the receiving disc moves from one end of the swing rod to the other end of the swing rod, and the swing rod swings on the support along the hinge shaft, showing the action of one end high and one end low, so that the scrap sheared by the stamping die can be quickly and stably transferred into the scrap cylinder outside the stamping die, and the continuous production of the stamping die is ensured. Through the existing technology, one of manpower, electric transmission device or pneumatic device is needed to complete the removal of scrap and offcut, which not only consumes manpower and financial resources, but also has high production cost, and it is difficult to stably and reliably meet the needs of automatic stamping production line. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a scrap removal device for automatic stamping production line, which can stably and reliably meet the needs of automatic stamping production line without consuming energy, and can reduce production cost.

[0004] To solve the technical problem, the technical scheme of the present application is as follows: a scrap removal device for automatic stamping production line, which comprises an upper driving part, a swing part, a lower driven part and a scrap removal part, the upper driving part is arranged on one side of the upper die holder of the stamping die, the upper end of the swing part is connected with the upper driving part, the lower driven part is arranged below the upper driving part and on the side surface of the lower die holder of the stamping die, and the scrap removal part is arranged below the lower driven part. The stamping die performs one stamping, the swing part impacts the lower driven part to drive the scrap removal part to perform one reciprocating linear motion.

[0005] The swing part comprises a rotating support, a first rotating sleeve shaft, a second rotating sleeve shaft and a reset mechanism, the first rotating sleeve shaft passes through the upper part of the rotating support and the lower part of the upper driving part, the second rotating sleeve shaft is located at the lower part of the rotating support, the reset mechanism is connected with the first rotating sleeve shaft, the center lines of the first rotating sleeve shaft and the second rotating sleeve shaft are both in a horizontal state, and the rotating support of the swing part rotates around the center line of the first rotating sleeve shaft.

[0006] The reset mechanism is a torsion spring sleeved on the first rotating sleeve shaft.

[0007] The lower driven part comprises a lower mounting box, a driven driving block, a driven rotating sleeve shaft, a driven driving shaft and a tension spring, the driven driving block and the tension spring are arranged in the lower mounting box, the lower part of the lower mounting box is provided with a waist round hole, the driven rotating sleeve shaft is located at the middle part of the lower mounting box, the driven driving shaft passes through the waist round hole of the lower mounting box, the center lines of the driven rotating sleeve shaft and the driven driving shaft are both in a horizontal state, the driven driving block rotates around the center line of the driven rotating sleeve shaft, and the driven driving shaft reciprocates in the waist round hole.

[0008] The driven driving block is provided with a driven driving block end, a tension spring clamping groove, a driven driving shaft mounting groove and a driven rotating sleeve shaft matching hole, the driven driving block end is located at the upper part of the driven driving block, the driven rotating sleeve shaft matching hole is located at the middle part of the driven driving block, the driven driving shaft mounting groove is located at the lower part of the driven driving block, the tension spring clamping groove is located at one side of the driven driving block, the upper part of the tension spring clamping groove is provided with an extension support, the upper end of the tension spring is connected to the extension support, the lower end of the tension spring is fixed to the bottom of the cavity of the lower mounting box, and the driven driving shaft is arranged in the driven driving shaft mounting groove.

[0009] The waste removal part is provided with two or more waste removal units, and each waste removal unit comprises a connecting hinge, an extension plate and a hopper, the extension plate is located between the connecting hinge and the hopper, the connecting hinge, the extension plate and the hopper are integrally connected, and the connecting hinges of the waste removal units are arranged on the driven driving shaft at intervals.

[0010] The extension plate and the hopper are detachably connected through fasteners.

[0011] The hopper is in an inclined state, the end of the hopper close to the extension plate is located at a higher position, and the inclination angle of the hopper is 1-10 degrees.

[0012] The waste removal device of the automatic stamping production line can be used, the waste removal device adopts the structure, the stamping die itself is used to drive, energy is not consumed additionally, the waste and the offcut can be stably and smoothly removed out of the die cavity, the needs of the automatic stamping production line can be stably and reliably met, the energy efficiency is improved, the production cost is reduced, the energy saving and environmental protection of enterprises can be contributed, and the carbon emission can be reduced. Attached Figure Description

[0013] The waste removal device of the present invention, which can be used in an automatic stamping production line, will be described in further detail below with reference to the accompanying drawings.

[0014] Figure 1 and Figure 2 This is a schematic diagram of the waste removal device of the present invention, which can be used in an automatic stamping production line, applied to a stamping die.

[0015] Figure 3 This is a schematic diagram of the waste removal device of the present invention, which can be used in an automatic stamping production line;

[0016] Figure 4 This is a schematic diagram of the waste removal device of the present invention, which can be used in an automatic stamping production line, before stamping.

[0017] Figure 5 This is a schematic diagram illustrating the driving principle of the waste removal device of the present invention, which can be used in an automatic stamping production line.

[0018] Figure 6 for Figure 3 The diagram shows the structure of the driven block.

[0019] In the diagram, 1. Upper mold base; 2. Upper mold; 4. Swinging part; 5. Lower driven part; 6. Scrap material removal part; 7. Lower mold base; 8. Lower mold; 10. Upper mounting base; 20. Rotating bracket; 31. First rotating sleeve shaft; 32. Rotating sleeve; 33. Limiting snap ring; 34. Return spring; 35. Second rotating sleeve shaft; 40. Driven drive block; 41. Extending support column; 42. Tension spring slot; 43. Driven drive shaft mounting slot; 44. Driven rotating sleeve shaft mating hole; 45. Driven drive block end; 50. Lower mounting box; 51. Oval hole; 60. Driven drive shaft; 70. Connecting hinge; 80. Hopper; 81. Scrap material / offcut; 82. Fastener; 83. Extension plate; 91. Driven rotating sleeve shaft; 92. Driven rotating sleeve; 93. Tension spring. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, the stamping die comprises an upper die holder 1, an upper die 2, a lower die holder 7, a lower die 8 and a scrap removal device, the scrap removal device comprises an upper driving part, a swing part 4, a lower driven part 5 and a scrap removal part 6, the upper driving part is arranged on one side of the upper die holder 1, the upper end of the swing part 4 is connected with the upper driving part, the lower driven part 5 is located below the upper driving part and arranged on the side of the lower die holder 8, and the scrap removal part 6 is located at the lower part of the lower driven part 5. The upper driving part comprises an upper mounting seat 10 and a fastening piece for fixing the upper mounting seat 10 to the side of the upper die holder 1, and the fastening piece can be a countersunk bolt. The swing part 4 comprises a rotating bracket 20, a first rotating sleeve shaft 31, a second rotating sleeve shaft 35 and a return spring 34, the first rotating sleeve shaft 31 is arranged on the upper part of the rotating bracket through a rotating sleeve 32 and a limiting snap spring 33, the first rotating sleeve shaft 31 penetrates the upper part of the rotating bracket 20 and the lower part of the upper mounting seat 10, the two ends of the first rotating sleeve shaft 31 are provided with the rotating sleeve 32 and the limiting snap spring 33, the second rotating sleeve shaft 35 is arranged on the lower part of the rotating bracket 20 through the rotating sleeve 32 and the limiting snap spring 33, the first rotating sleeve shaft 31 is sleeved with the return spring 34, the return spring 34 is a torsion spring, the center lines of the first rotating sleeve shaft 31 and the second rotating sleeve shaft 35 are both in a horizontal state, the upper mounting seat 10 and the swing part reciprocate up and down with the upper die holder 1, and the rotating bracket 20 of the swing part can rotate around the center line of the first rotating sleeve shaft 31.

[0022] The lower driven part comprises a lower mounting box 50, a driven driving block 40, a driven rotating sleeve shaft 91, a driven driving shaft 60 and a tension spring 93, the driven driving block 40 and the tension spring 93 are arranged in the lower mounting box 50, the driven rotating sleeve shaft 91 is arranged in the middle part of the lower mounting box 50 through a driven rotating sleeve 92 and a limiting snap spring 33, the driven driving shaft 60 penetrates the lower part of the lower mounting box 50, the center lines of the driven rotating sleeve shaft 91 and the driven driving shaft 60 are both in a horizontal state, the driven driving block 40 rotates around the center line of the driven rotating sleeve shaft 91, the lower mounting box 50 is connected with the lower die holder 7 through a fastening piece, the lower part of the lower mounting box 50 is provided with a waist round hole 51, the driven driving shaft 60 penetrates the waist round hole and can reciprocate in the waist round hole, the driven driving block 40 is provided with a driven driving block end 45, a tension spring clamping groove 42, a driven driving shaft mounting groove 43 and a driven rotating sleeve shaft matching hole 44, the driven driving block end 45 is located on the upper part of the driven driving block 40, the driven rotating sleeve shaft matching hole 44 is located in the middle part of the driven driving block 40, the driven driving shaft mounting groove 43 is located on the lower part of the driven driving block 40, the tension spring clamping groove 42 is located on one side of the driven driving block 40, the upper part of the tension spring clamping groove 42 is provided with an extension support 41, the upper end of the tension spring 93 is connected with the extension support 41, the lower end of the tension spring 93 is fixed to the bottom of the cavity of the lower mounting box 50, and the driven driving shaft 60 is arranged in the driven driving shaft mounting groove 43. The driven driving block end 45 is provided with an arc smooth surface.

[0023] The waste removal part 5 has two or more waste removal units, which include a connecting hinge 70, an extension plate 83 and a hopper 80, one end of the extension plate 83 is integrated with the connecting hinge 70, the other end of the extension plate 83 is detachably connected with the hopper 80, the connecting hinge 70 is sleeved on the driven driving shaft 60, the extension plate 83 and the hopper 80 are connected through fasteners 82, the fasteners 82 can adopt screws, the punched waste and offcuts 81 fall on the hopper 80, in order to make the waste and offcuts 81 more smoothly removed, the hopper 80 is in an inclined state, the position of one end of the hopper 80 close to the extension plate 83 is higher, and the inclination angle of the hopper 80 is 1-10 degrees. The connecting hinges 70 of each waste removal unit are distributed on the driven driving shaft 60 at intervals, and the driven driving shaft 60 reciprocates in the waist round hole once, and the hopper 80 of each waste removal unit synchronously performs linear reciprocating motion once.

[0024] The waste removal device for the automatic stamping production line can adopt the above structure, the upper driving part, the swing part and the upper die seat 1 are integrated, the upper driving part and the swing part move synchronously with the upper die seat 1, and the lower driven part is integrated with the lower die seat. During stamping, the upper die seat 1 and the upper driving part and the swing part move downwards together, the interval between the second rotating sleeve shaft 35 of the swing part and the driven driving block of the lower driven part decreases, until the second rotating sleeve shaft 35 contacts the end head of the driven driving block, the end head of the driven driving block provides a reaction force to the second rotating sleeve shaft 35, with the continuous downward movement of the upper die seat 1 and the upper driving part, the swing part rotates counterclockwise around the center line of the first rotating sleeve shaft 31, meanwhile, the pressure on the end head of the driven driving block increases, the driven driving block rotates clockwise around the center line of the driven rotating sleeve shaft 91, the tension spring 93 of the lower driven part is stretched, meanwhile, the driven driving shaft 60 in the driven driving shaft mounting groove moves leftwards in the waist round hole 51 of the lower mounting box, the waste removal unit is integrated with the driven driving shaft 60, and the waste removal unit moves leftwards with the driven driving shaft 60, when the upper driving part reaches the set height, the second rotating sleeve shaft 35 of the swing part is pushed open, at this time, the driven driving block 40 quickly reversely rotates under the action of the tension spring, the driven driving shaft 60 drives the waste removal unit to high-speed reverse movement, and the waste and offcuts 81 connected with the hopper are smoothly removed by using the inertia generated by the high-speed reverse movement.

[0025] The waste removal device for the automatic stamping production line can be used not only for stamping dies, but also for forging dies. In the description of the present application, the terms clockwise, counterclockwise, up, down, left, right, top, bottom and the like indicate the orientation or positional relationship shown in the drawings, and do not indicate that the device must have a specific orientation, be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0026] Compared with the prior art, the technical scheme of the present application utilizes the movement of the stamping and forging die itself to drive, without additional energy consumption, to stably and smoothly move the waste and leftover material outside the die cavity, that is, the production cost of the process of moving the waste and leftover material outside the die cavity is reduced, while the prior art uses a pneumatic device to move the waste and leftover material outside the die cavity, which not only occupies the workshop area, but also continuously consumes the gas source. The prior art uses an electric device to move the waste and leftover material outside the die cavity, which needs to continuously consume the electric power. The technical scheme of the present application can stably and reliably meet the needs of the automatic stamping production line, without additional energy consumption to move the waste and leftover material outside the die cavity, improve the energy efficiency, reduce the production cost, and contribute to energy saving and environmental protection, and carbon emission reduction for enterprises.

[0027] From the common general knowledge, the present application can be realized by other embodiments without departing from the spirit or essential characteristics thereof. Therefore, the above disclosed embodiments are merely illustrative, and not the only. All changes within the scope of the present application or within the scope equivalent to the present application are included in the present application.

Claims

1. A scrap removal device for use in an automatic press line, characterized by: It includes the upper drive part, swing part, lower driven part and waste removal part, the upper drive part is arranged on the upper die holder side of the stamping die, the upper end of the swing part is connected with the upper drive part, the lower driven part is located below the upper drive part and is arranged on the side of the lower die holder of the stamping die, the waste removal part is located at the lower part of the lower driven part, the swing part impacts the lower driven part to drive the waste removal part to move linearly once for each stamping of the stamping die, the swing part includes a rotating support, a first rotating sleeve shaft, a second rotating sleeve shaft and a reset mechanism, the first rotating sleeve shaft passes through the upper part of the rotating support and the lower part of the upper drive part, the second rotating sleeve shaft is located at the lower part of the rotating support, the reset mechanism is connected with the first rotating sleeve shaft, the center lines of the first rotating sleeve shaft and the second rotating sleeve shaft are both in horizontal state, the rotating support of the swing part rotates around the center line of the first rotating sleeve shaft, the lower driven part includes a lower installation box, a driven driving block, a driven rotating sleeve shaft, a driven driving shaft and a tension spring, the driven driving block and the tension spring are arranged in the lower installation box, the lower part of the lower installation box has a waist round hole, the driven rotating sleeve shaft is located at the middle part of the lower installation box, the driven driving shaft passes through the waist round hole of the lower installation box, the center lines of the driven rotating sleeve shaft and the driven driving shaft are both in horizontal state, the driven driving block rotates around the center line of the driven rotating sleeve shaft to drive the driven driving shaft to move reciprocatingly in the waist round hole. The driven driving block has a tension spring clamping groove, the tension spring clamping groove is located at one side of the driven driving block, the upper part of the tension spring clamping groove has an extension support, the upper end of the tension spring is connected to the extension support, the lower end of the tension spring is fixed to the bottom of the cavity of the lower installation box, and the driven driving shaft is arranged in the driven driving shaft installation groove.

2. The scrap removal device for use in an automatic press line according to claim 1, characterized in that: The reset mechanism is a torsion spring sleeved on the first rotating sleeve shaft.

3. The scrap removal device for use in an automatic press line according to claim 1, characterized in that: The driven driving block has a driven driving block end, a driven driving shaft installation groove and a driven rotating sleeve shaft matching hole, the driven driving block end is located at the upper part of the driven driving block, the driven rotating sleeve shaft matching hole is located at the middle part of the driven driving block, and the driven driving shaft installation groove is located at the lower part of the driven driving block.

4. The scrap removal device for use in an automatic press line according to claim 3, characterized in that: The waste removal part has two or more waste removal units, the waste removal unit includes a connecting hinge, an extension plate and a hopper, the extension plate is located between the connecting hinge and the hopper, and the connecting hinge, the extension plate and the hopper are integrally connected, and the connecting hinges of each waste removal unit are arranged on the driven driving shaft at intervals.

5. The scrap removal device for use in an automatic press line according to claim 4, characterized in that: The extension plate and the hopper are detachably connected through fasteners.

6. The scrap removal device for use in an automatic press line according to claim 4, characterized in that: The hopper is in an inclined state, the end of the hopper close to the extension plate is higher in position, and the inclination angle of the hopper is 1-10 degrees.

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