Waste discharging mechanism of die

Abstract

The utility model relates to the technical field of waste discharging mechanisms, in particular to a waste discharging mechanism of a die, which comprises an upper die, a lower die, a waste slideway, a waste collecting box, a waste push plate, a positioning rod and a positioning hole, the positioning rod drives the waste push plate through a spring driving assembly, and the spring driving assembly comprises a first spring which is switched between compression and extension, the waste directly acts on the waste push plate; the sliding block assembly is driven by the positioning rod during mold closing and compresses the first spring through the steel wire rope assembly; the steel wire rope assembly transmits tension and changes the tension direction. The control assembly is used for limiting the position of the waste push plate by the limiting block in the final stage of mold closing, and is used for making contact with the trigger block and driving the control end to enable the limiting block to break away from limiting of the waste push plate in the final stage of mold splitting; in the mold closing and splitting process, linkage waste of the positioning rod, the sliding block assembly, the steel wire rope assembly and the positioning assembly is pushed into the waste collecting box, other driving units are prevented from being introduced, the cost is reduced, and the maintenance and repair difficulty is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of waste discharge mechanisms, specifically a waste discharge mechanism for a mold. Background Technology

[0002] Stamping die equipment is a special process equipment used in cold stamping to process metal or non-metal into parts or semi-finished products. It is called cold stamping die or cold stamping mold. The scrap discharge mechanism of the stamping die is an important component. It ensures that the scrap generated during the stamping process can be effectively discharged from the die, ensuring the continuity of the production process and the quality of the product. The existing scrap discharge mechanism of stamping dies mainly includes scrap slides and scrap collection boxes. In order to prevent the accumulation of scrap, a scrap pusher is usually set. However, the existing scrap discharge mechanism often requires the addition of a scrap pusher drive unit (such as cylinder, motor, etc.) when setting up a scrap pusher, which undoubtedly increases the cost of the scrap discharge mechanism and the difficulty of maintenance and repair. Utility Model Content

[0003] The purpose of this invention is to provide a mold waste discharge mechanism that uses a spring-driven assembly to drive the waste pusher plate, thereby solving the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A waste discharge mechanism for a mold includes an upper mold, a lower mold, a waste slide, a waste collection box, and a waste push plate. The upper mold is provided with positioning rods, and at least two sets of positioning rods are provided. The positioning rods can be inserted into the positioning holes of the lower mold to achieve mold closing positioning. The positioning rods drive the waste push plate through a spring drive assembly, and the spring drive assembly includes a first spring, a slider assembly, and a control assembly.

[0006] The first spring is connected to the waste push plate, and the first spring is disposed between the waste push plate and the side wall of the waste slide.

[0007] The slider assembly includes a slider, a second spring, and a trigger block. The slider is slidably connected in any one of the positioning holes. The slider and the trigger block are fixedly connected by a rigid connecting rod. The second spring is connected between the slider and the bottom surface of the positioning hole.

[0008] The wire rope assembly includes a wire rope and a guide wheel. One end of the wire rope is fixed to the waste push plate, and the other end passes through the guide wheel and is connected to the trigger block.

[0009] The control component includes a connecting plate rotatably connected to the waste chute. One end of the connecting plate is provided with a limiting block that restricts the position of the waste push plate, and the other end of the connecting plate is a control end.

[0010] Preferably, the trigger block of the slider assembly is located directly below the positioning hole, the trigger block is slidably connected to the sleeve, the sleeve is fixedly connected to the lower mold, the inner cavity of the sleeve is connected to the positioning hole, and a first rectangular groove communicating with the inner cavity is opened on the circumferential surface of the sleeve facing the waste material slide.

[0011] Preferably, the wire rope slides into the through hole on the trigger block, and the wire rope passes through the through hole and is fixedly connected to the counterweight block, and the upper surface of the counterweight block is provided with a rubber pad.

[0012] Preferably, the middle part of the connecting plate of the control component is rotatably connected to the side wall of the second rectangular groove via a rotating shaft. The second rectangular groove is opened on the bottom surface of the waste chute. A retaining plate is provided in the second rectangular groove. The retaining plate is located above the connecting plate and close to the limiting block. A torsion spring is provided on the rotating shaft.

[0013] Preferably, the cross-section of the limiting block is a right triangle, and the angle between the hypotenuse and the horizontal right-angled side of the right triangle is less than 45 degrees.

[0014] Preferably, the waste chute is provided with a cover plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] During mold closing, the positioning rod drives the slider assembly to move downwards, and through the wire rope assembly, it drives the scrap pusher plate to move and compresses the first spring to accumulate elastic potential energy. In the final stage of mold closing, the limiting assembly limits the position of the scrap pusher plate. During mold opening, the slider assembly resets under the action of the second spring. In the final stage of mold opening, the trigger block of the slider assembly contacts and acts on the control end, driving the limiting block to disengage from the scrap pusher plate. The first spring releases its elastic potential energy and pushes the scrap pusher plate to push the scrap into the scrap collection box. During mold closing and opening, the linkage between the positioning rod, slider assembly, wire rope assembly, and positioning assembly enables the scrap pusher plate to push the scrap into the scrap collection box, avoiding the introduction of other drive units, reducing costs, and simplifying maintenance and repair. Attached Figure Description

[0017] Figure 1 This utility model is a structural diagram showing the upper mold, lower mold, waste material slide, and waste material push plate after being cut apart before mold closing.

[0018] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 This utility model is a structural diagram showing the upper mold, lower mold, waste material slide, and waste material push plate after the mold is closed.

[0020] Figure 4 A schematic diagram of the structure of the sleeve of this utility model.

[0021] In the diagram: 1. Upper die; 101. Positioning rod; 102. Stamping rod; 2. Lower die; 201. Positioning hole; 202. Stamping hole; 3. Scrap slide; 4. Scrap collection box; 5. Scrap push plate; 6. First spring; 7. Slider assembly; 701. Slider; 702. Rigid connecting rod; 703. Second spring; 704. Trigger block; 8. Wire rope assembly; 801. Wire rope; 802. Guide wheel; 803. Counterweight; 804. Rubber pad; 9. Control assembly; 901. Connecting plate; 902. Limiting block; 903. Control end; 904. Rotating shaft; 905. Holding plate; 10. Sleeve; 1001. First rectangular groove; 11. Second rectangular groove; 12. Cover plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides a technical solution:

[0024] See Figure 1 , Figure 2 and Figure 3 A waste discharge mechanism for a mold includes an upper mold 1, a lower mold 2, a waste slide 3, a waste collection box 4, and a waste pusher plate 5. The waste slide 3 is divided into a horizontal section and an inclined section. The waste pusher plate 5 is slidably disposed within the horizontal section of the waste slide 3. The upper mold 1 is provided with positioning rods 101, and at least two sets of positioning rods 101 are provided. The positioning rods 101 can be inserted into the positioning holes 201 of the lower mold 2 to achieve mold closing positioning. The positioning rods 101 drive the waste pusher plate 5 through a spring drive assembly, which includes:

[0025] The first spring 6 switches between compression and extension, and accumulates and releases elastic potential energy. When releasing elastic potential energy, it acts directly on the waste push plate 5, pushing the waste push plate 5 to slide quickly in the waste slide 3 and push the waste into the waste collection box 4. The first spring 6 is set between the waste push plate 5 and the side wall of the waste slide 3.

[0026] The slider assembly 7 includes a slider 701, a second spring 703, and a trigger block 704. The slider 701 is slidably connected in any set of positioning holes 201. The slider 701 and the trigger block 704 are fixedly connected by a rigid connecting rod 702. The second spring 703 is connected between the slider 701 and the bottom surface of the positioning hole 201, thereby providing a restoring force for the slider 701 and the trigger block 704 during the mold parting process. When the mold is closed, the positioning rod 101 contacts and drives the slider 701 to slide downward along the positioning hole 201. The rigid connecting rod 702 acts on the trigger block 704. The trigger block 704 moves downward and drives the scrap push plate 5 through the wire rope assembly 8 to compress the first spring 6 and accumulate elastic potential energy.

[0027] The wire rope assembly 8 includes a wire rope 801 and a guide wheel 802. One end of the wire rope 801 is fixed to the waste push plate 5, and the other end passes through the guide wheel 802 and is connected to the trigger block 704.

[0028] The control component 9 includes a connecting plate 901 rotatably connected to the waste slide 3. One end of the connecting plate 901 is provided with a limiting block 902, and the other end is a control end 903. In the final stage of mold closing, the waste push plate 5 compresses the first spring 6 to the position of the limiting block 902. The limiting block 902 engages the side of the waste push plate 5 away from the first spring 6 and limits the position of the waste push plate 5. In the final stage of mold parting, the trigger block 704 contacts and acts on the control end 903 of the control component 9 to make the connecting plate 901 rotate, thereby causing the limiting block 902 at the other end of the connecting plate 901 to disengage from limiting the waste push plate 5. The elastic potential energy accumulated by the first spring 6 is released and pushes the waste push plate 5 to slide quickly, pushing the waste into the waste collection box 4.

[0029] See Figure 1 , Figure 2 and Figure 4 The trigger block 704 of the slider assembly 7 is located directly below the positioning hole 201. The trigger block 704 is slidably connected inside the sleeve 10. The sleeve 10 is fixedly connected to the lower mold 2. The inner cavity of the sleeve 10 is connected to the positioning hole 201. The rigid connecting rod 702 passes through the bottom surface of the positioning hole 201 and slides with the bottom surface. A first rectangular groove 1001 is opened on the side wall of the sleeve 10 facing the waste slide 3, which connects to its inner cavity. The control end 903 of the control assembly 9 interacts with the trigger block 704 through the first rectangular groove 1001. The guide wheel 802 is installed on the outer wall of the sleeve 10.

[0030] See Figure 1 , Figure 2The wire rope 801 slides into the through hole on the trigger block 704, allowing it to move freely up and down within the hole. After passing through the through hole, the wire rope 801 is fixedly connected to the counterweight 803. A rubber pad 804 is provided on the upper surface of the counterweight 803. The length of the wire rope 801 is determined based on the following conditions: when the scrap push plate 5 is in its initial position, the combined force of the first spring 6 and the weight of the counterweight 803 maintains a certain tension in the wire rope 801. The weight of the counterweight 803 is greater than the initial compression force of the first spring 6, and the rubber pad 804 on the counterweight 803 contacts the trigger block 704. The purpose of setting the counterweight 803 is to maintain a certain tension in the wire rope 801 during the mold parting process, preventing the wire rope 801 from tangling. Of course, the weight of the counterweight 803 cannot be too large to ensure smooth release of the scrap push plate 5.

[0031] See Figure 2 The middle part of the connecting plate 901 of the control component 9 is rotatably connected to the side wall of the second rectangular groove 11 via the rotating shaft 904. The second rectangular groove 11 is opened on the bottom surface of the waste slide 3. A retaining plate 905 is provided in the second rectangular groove 11. The retaining plate 905 is located above the connecting plate 901 and close to the limiting block 902. A torsion spring is provided on the rotating shaft 904. When there is no external force, the connecting plate 901 abuts against the retaining plate 905 under the action of the torsion spring, thus being in a horizontal state.

[0032] The cross-section of the limiting block 902 is a right triangle. The angle between the hypotenuse of the right triangle and the horizontal right-angled side is less than 45 degrees and the hypotenuse faces the waste push plate 5. The purpose of the angle being less than 45 degrees is to provide a greater torque when the limiting block 902 contacts and interacts with the side of the waste collection box 4 connected to the first spring 6, so that the connecting block rotates, thereby allowing the waste collection box 4 to pass smoothly through the limiting block 902.

[0033] See Figure 1 or Figure 3 The waste chute 3 is equipped with a cover plate 12 to prevent the waste from being ejected from the waste chute 3 when the waste pusher plate 5 pushes the waste.

[0034] During the mold closing process, the positioning rod 101 first inserts into the positioning hole 201. Then, the stamping rod 102 of the upper mold 1 cooperates with the stamping hole 202 of the lower mold 2 to stamp the parts. The scrap material falls into the horizontal section of the scrap material slide 3. During this process, the positioning rod 101 contacts and acts on the slider 701. The slider 701 compresses the second spring 703 and drives the trigger block 704 to slide downward together. The trigger block 704 abuts against the rubber pad 804 of the counterweight block 803, causing the counterweight block 803 to move downward. The scrap material push plate 5 is pulled by the wire rope assembly 8, and the scrap material push plate 5 compresses the first spring 6. The side of the scrap ejector plate 5 connected to the first spring 6 touches and acts on the inclined surface of the limiting block 902. The connecting plate 901 rotates, and the side of the scrap ejector plate 5 connected to the first spring 6 continues to move through the limiting block 902. After the other side of the scrap ejector plate 5 passes through the limiting block 902, the limiting block 902 resets under the action of the torsion spring. The vertical edge of the limiting block 902 engages the side of the scrap ejector plate 5 opposite to the side connected to the first spring 6, and the limiting block 902 restricts the reverse movement of the scrap ejector plate 5. At this time, the process of mold closing and the accumulation of elastic potential energy by the first spring 6 is completed (see...). Figure 3 During the mold parting process, the upper mold 1 rises, the slider 701 rises under the action of the second spring 703, and at the same time the rigid connecting rod 702 drives the trigger block 704 to rise. The wire rope 801 maintains a certain tension under the action of the counterweight block 803. In the final stage of mold parting, the trigger block 704 contacts and acts on the control end 903 of the control component 9. The connecting plate 901 overcomes the force of the torsion spring and rotates at a certain angle. The limit block 902 disengages from the waste push plate 5, the elastic potential energy of the first spring 6 is released, and the waste push plate 5 is pushed to slide quickly in the horizontal section of the waste slide 3. The waste push plate 5 pushes the waste into the waste collection box 4, completing the process of mold parting and pushing the waste into the waste collection box 4.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waste discharging mechanism of a mold, comprising an upper mold (1), a lower mold (2), a waste slide (3), a waste collecting box (4) and a waste push plate (5), the upper mold (1) is provided with positioning rods (101), the positioning rods (101) are provided with at least two groups, the positioning rods (101) can be inserted into positioning holes (201) of the lower mold (2) to realize mold positioning, characterized in that: The positioning rod (101) drives the waste pushing plate (5) through a spring driving assembly, the spring driving assembly comprising a first spring (6), a slider assembly (7) and a control assembly (9); The first spring (6) is connected to the waste pushing plate (5), and the first spring (6) is arranged between the waste pushing plate (5) and the side wall of the waste chute (3); The slider assembly (7) comprises a slider (701), a second spring (703) and a trigger block (704), the slider (701) is slidingly connected in any one of the positioning holes (201), the slider (701) is fixedly connected with the trigger block (704) through a rigid connecting rod (702), the second spring (703) is connected between the slider (701) and the bottom surface of the positioning hole (201), and the trigger block (704) is lowered and drives the waste pushing plate (5) to compress the first spring (6) to accumulate elastic potential energy through the steel wire rope assembly (8); The steel wire rope assembly (8) comprises a steel wire rope (801) and a guide wheel (802), one end of the steel wire rope (801) is fixed to the waste pushing plate (5), the other end of the steel wire rope (801) passes through the guide wheel (802) and is connected to the trigger block (704); The control assembly (9) comprises a connecting plate (901) rotatably connected to the waste chute (3), one end of the connecting plate (901) is provided with a limiting block (902) for limiting the position of the waste pushing plate (5), and the other end of the connecting plate (901) is a control end (903).

2. A waste ejection mechanism for a mould as claimed in claim 1, characterised in that: The trigger block (704) of the slider assembly (7) is arranged directly below the positioning hole (201), the trigger block (704) is slidingly connected in a sleeve (10), the sleeve (10) is fixedly connected to the lower mold (2), the inner cavity of the sleeve (10) is in communication with the positioning hole (201), and a first rectangular groove (1001) in communication with the inner cavity of the sleeve (10) is formed in the circumferential surface of the waste chute (3) opposite to the sleeve (10).

3. The waste ejector mechanism of claim 1, wherein: The steel wire rope (801) is slidingly matched with a through hole formed in the trigger block (704), the steel wire rope (801) is fixedly connected to a counterweight block (803) after passing through the through hole, and a rubber pad (804) is arranged on the upper end surface of the counterweight block (803).

4. The scrap ejector mechanism of claim 1, wherein: The middle part of the connecting plate (901) of the control assembly (9) is rotatably connected to the side wall of a second rectangular groove (11) through a rotating shaft (904), the second rectangular groove (11) is formed in the bottom surface of the waste chute (3), a retaining plate (905) is arranged in the second rectangular groove (11), the retaining plate (905) is located above the connecting plate (901) and close to the limiting block (902), and a torsion spring is arranged on the rotating shaft (904).

5. A waste ejection mechanism for a mould as claimed in claim 4, characterised in that: The limiting block (902) has a cross section in the shape of a right triangle, and the included angle between the hypotenuse and the horizontal leg of the right triangle is less than 45 degrees.

6. The scrap ejector mechanism of claim 1, wherein: A cover plate (12) is arranged on the waste chute (3).

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