Progressive die apparatus

Abstract

The present application belongs to the technical field of mechanical processing, and discloses a progressive die device, which comprises a die assembly and a punch assembly capable of moving along the vertical direction relative to the die assembly, the punch assembly comprises a punch receiving seat, a punch arranged on the punch receiving seat and capable of swinging on a vertical plane, the punch is always subjected to upward elastic force, and a pressing rod penetrating through the punch receiving seat and capable of being adjusted in the height direction, the pressing rod is used for tightly pressing the punch downward. The present application has the beneficial effects that the punch is arranged on the punch receiving seat and capable of swinging on the vertical plane, the punch is always subjected to upward elastic force, the pressing rod penetrates through the punch receiving seat and is capable of being adjusted in the height direction, the pressing rod is used for tightly pressing the punch downward, the height of the pressing rod is finely adjusted, the swinging angle of the punch is adjusted, the position of the punch is finely adjusted, new bending workpieces are not needed to be replaced, inconvenience is brought to high-speed mass uninterrupted production, and production efficiency and capacity are improved.

Description

Technical Field

[0001] This invention relates to the field of machining technology, and in particular to a progressive die device. Background Technology

[0002] Progressive die devices are widely used in the current market for producing sheet metal parts for automobiles, electronic appliances, hardware, and construction, meeting the market's demand for high-speed, high-volume production. Among these are many bent metal products. Due to the yield strength of the material's physical properties and other factors such as the lifespan of the bent workpiece, progressive dies may produce products with out-of-tolerance bending angles and unqualified products after a period of production. At this time, it is necessary to disassemble the die and replace it with a new bending workpiece, such as a punch and / or die, which brings inconvenience to high-speed, high-volume, uninterrupted production, affects production efficiency, and reduces capacity. Summary of the Invention

[0003] The purpose of this invention is to provide a progressive die device to solve the problem of needing to replace bent workpieces due to long production cycles.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A progressive die assembly includes a die assembly and a punch assembly movable relative to it in a vertical direction, the punch assembly comprising:

[0006] Punch storage base;

[0007] A punch, mounted on the punch holder and capable of swinging in a vertical plane, is always subjected to an upward elastic force; and

[0008] A pressure rod, which passes through the punch holder and is adjustable in height, is used to press the punch downwards.

[0009] In some alternative embodiments, the punch assembly further includes a first elastic element;

[0010] The punch includes:

[0011] The punch body abuts against the first elastic element, and the punch body is used to clamp the workpiece; and

[0012] The punch connecting rod is connected to the top of the punch body and contacts the pressure rod.

[0013] In some optional embodiments, the punch storage seat is provided with a first punch storage groove and a second punch storage groove that are connected to each other. One end of the first punch storage groove is open and the other end is provided with an arc-shaped groove bottom surface. The second punch storage groove extends in the vertical direction.

[0014] One end of the punch body is slidably mounted on the bottom surface of the groove, and the punch connecting rod extends from the first punch storage groove to the second punch storage groove;

[0015] The bottom of the pressure rod is slidably positioned in the second punch receiving groove.

[0016] In some alternative embodiments, the punch assembly further includes a first fine-tuning mechanism for adjusting the height of the pressure bar.

[0017] In some optional embodiments, the first fine-tuning mechanism includes:

[0018] The first driving element reciprocates axially by rotating about its own axis;

[0019] The first slider, one end of which can be subjected to the thrust of the first driving member; and

[0020] The second slider has one end abutting against the first slider and the other end connected to the pressure rod;

[0021] In this process, the first driving component drives the first slider to move along a first horizontal direction, and then the first slider drives the second slider to move downward.

[0022] In some alternative embodiments, the first slider and the second slider are in contact with each other along a pair of inclined planes.

[0023] In some optional embodiments, the first fine-tuning mechanism further includes a storage box with a storage cavity inside, wherein one end of the first slider, the second slider, the first driving member, and one end of the pressure rod are all disposed in the storage cavity.

[0024] In some optional embodiments, the storage box is provided with a first guide wall extending in a horizontal direction and a second guide wall extending in a vertical direction;

[0025] The first slider moves along the first guide wall;

[0026] The second slider moves along the second guide wall.

[0027] In some alternative embodiments, the die assembly includes:

[0028] Concave mold storage base;

[0029] A flanging die, disposed in the die holder and capable of pivoting in the vertical plane, defines a gap between the flanging die and the punch for clamping the workpiece; and

[0030] The second fine-tuning mechanism is disposed in the die holder and is used to adjust the swing position of the flanging die.

[0031] In some alternative embodiments, the flanging die and the punch are arranged on the same circumference, and their centers of rotation coincide.

[0032] In some alternative embodiments, the flanging die includes a die body and a protrusion on its top;

[0033] The die holder has a first die holder groove and a second die holder groove that are connected to each other. The protrusion is rotatably disposed in the first die holder groove, and the die body is disposed in the second die holder groove. The bottom of the second die holder groove is set as an arc shape.

[0034] In some alternative embodiments, the die body has outwardly extending limbs on both sides along its swing direction;

[0035] The second fine-tuning mechanism is provided in two parts, which are symmetrically arranged on both sides of the swing direction of the flanging die to push the limbs on the adjacent sides.

[0036] In some alternative embodiments, the second fine-tuning mechanism includes:

[0037] The second driving member passes through the cavity mold receiving seat and abuts against the corresponding side of the limb. The second driving member reciprocates axially by rotating about its own axis.

[0038] The beneficial effects of this invention are as follows: the punch is set on the punch holder and can swing in the vertical plane. The punch is always subjected to an upward elastic force. The pressure rod passes through the punch holder and can be adjusted in the height direction. The pressure rod is used to press the punch downward. By finely adjusting the height of the pressure rod, the swing angle of the punch can be adjusted to achieve fine adjustment of the punch position. There is no need to replace the bending workpiece, which brings inconvenience to high-speed, large-volume, uninterrupted production and improves production efficiency and capacity.

[0039] Additional aspects and advantages of this application will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of this application. Attached Figure Description

[0040] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein:

[0041] Figure 1 This is a schematic diagram of the progressive die device provided in the embodiments of this application.

[0042] Figure 2 yes Figure 1 A partial schematic diagram.

[0043] Figure 3This is a schematic diagram of the punch structure in this embodiment.

[0044] Figure 4 This is a schematic diagram of the punch storage base in this embodiment.

[0045] Figure 5 This is a schematic diagram of the structure of the first fine-tuning mechanism in this embodiment.

[0046] Figure 6 This is a schematic diagram of the cavity mold assembly in this embodiment.

[0047] Figure 7 This is a schematic diagram showing the positional relationship between the flanging die and the punch in this embodiment.

[0048] Figure 8 This is a schematic diagram of the structure of the flanging die in this embodiment. Detailed Implementation

[0049] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0050] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0051] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0052] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0053] This invention provides a progressive die device for processing workpieces.

[0054] Figure 1 This is a schematic diagram of the progressive die device provided in the embodiments of this application. Figure 2 yes Figure 1 A partial schematic diagram. For example... Figure 1 and Figure 2 As shown, the mold includes a die assembly 1 and a punch assembly 2 that can move relative to it in a vertical direction.

[0055] The die assembly 1 is used to support one end of the workpiece. During the downward movement of the punch assembly 2 relative to the die assembly 1, the other end of the workpiece is pressed down to achieve bending of the workpiece.

[0056] The punch assembly 2 includes a punch holder 21, a punch 22, and a pressure bar 23.

[0057] The punch 22 is mounted on the punch holder 21 and can swing in the vertical plane. The punch 22 is always subjected to an upward elastic force.

[0058] The pressure rod 23 passes through the punch holder 21 and can be adjusted in height. The pressure rod 23 is used to press the punch 22 downward.

[0059] The punch assembly 2 can move downward relative to the die assembly 1 as a whole, while the punch 22 can swing independently in the vertical plane relative to the punch holder 21, and the pressure rod 23 can move independently in the vertical direction relative to the punch holder 21.

[0060] It is understandable that the punch 22 is always subjected to an upward elastic force and the pressure of the pressure rod 23 to maintain a fixed position. Due to the upward elastic force, the pressure rod 23 is adjusted to different heights to control the punch 22 to maintain different swing angle positions.

[0061] Therefore, this mold does not require the replacement of new bending workpieces, which would cause inconvenience to high-speed, high-volume, uninterrupted production, but would improve production efficiency and capacity.

[0062] The punch assembly 2 also includes a first elastic element 24, which provides an upward elastic force to the punch 22. In other words, the first elastic element 24 serves as an elastic support for the punch 22. In this embodiment, the first elastic element 24 is configured as a rubber block, which always possesses a certain elastic potential energy.

[0063] Figure 3 This is a structural diagram of the punch, such as... Figure 3 As shown, the punch 22 includes a punch body 221 and a punch connecting rod 222.

[0064] like Figures 2-3 As shown, the bottom of the punch body 221 abuts against the first elastic member 24, and the left end of the punch body 221 is used to clamp the workpiece. The punch connecting rod 222 is connected to the top of the punch body 221 and directly contacts the pressure rod 23. It can be understood that the downward movement of the pressure rod 23 pushes the punch connecting rod 222 and its entire structure to move.

[0065] Figure 4 This is a structural diagram of the punch storage base 21, as shown below. Figure 4 As shown, the punch storage base 21 is provided with a first punch storage groove 211 and a second punch storage groove 212 that are connected to each other.

[0066] The first punch storage groove 211 has one open end and the other end has an arc-shaped bottom surface, while the second punch storage groove 212 extends vertically.

[0067] like Figure 4 As shown, the first punch storage groove 211 is located at the lower left of the punch storage seat 21. The left side of the first punch storage groove 211 is open and faces the die assembly 1. The right side of the first punch storage groove 211 is provided with an arc-shaped groove bottom surface.

[0068] One end of the punch body 221 is slidably mounted on the bottom surface of the groove, and the punch connecting rod 222 extends from the first punch storage groove 211 to the second punch storage groove 212.

[0069] It is understandable that a channel is provided between the first punch receiving slot 211 and the second punch 212.

[0070] The bottom of the pressure rod 23 is slidably disposed in the second punch receiving groove 212. The pressure rod 23 is restricted by the second punch receiving groove 212 and can only slide in the vertical direction. The pressure rod 23 drives the punch connecting rod 222 of the second punch receiving groove 212 and drives the punch body 221 to rotate on the arc-shaped bottom surface of the groove.

[0071] like Figure 2As shown, the punch assembly 2 also includes a first fine-tuning mechanism 25, which is used to adjust the height of the pressure rod 23. By fine-tuning the height of the pressure rod 23 through the first fine-tuning mechanism 25, the rotational position of the punch 22 can be fine-tuned.

[0072] Figure 5 This is a structural diagram of the first fine-tuning mechanism 25, as shown below. Figure 5 As shown, the first fine-tuning mechanism 25 includes a first driving member 250, a first slider 251, and a second slider 252.

[0073] The first drive member 250 reciprocates axially by rotating about its own axis.

[0074] One end of the first slider 251 can be subjected to the thrust of the first driving member 250.

[0075] One end of the second slider 252 abuts against the first slider 251, and the other end is connected to the pressure rod 23.

[0076] like Figure 2 and Figure 5 As shown, the first driving member 250 drives the first slider 251 to move to the left, and then the first slider 251 drives the second slider 252 to move downward, thereby causing the pressure rod 23 to move downward.

[0077] In this embodiment, the first slider 251 and the second slider 252 are in contact with each other along a pair of inclined planes, thereby realizing the transformation from the lateral displacement of the first slider 251 to the vertical displacement of the second slider 252.

[0078] The first fine-tuning mechanism 25 also includes a storage box 253, which has a storage cavity. One end of the first slider 251, the second slider 252, the first driving member 250, and one end of the pressure rod 23 are all disposed in the storage cavity. The storage box 253 provides a limiting function for the first slider 251, the second slider 252, the first driving member 250, and the pressure rod 23.

[0079] In this embodiment, the first driving member 250 is set as a bolt, and correspondingly, the side wall of the storage box 253 is provided with a threaded hole corresponding to the bolt, and the bolt rotates around itself and moves axially.

[0080] Furthermore, the first drive component 250 is arranged in a horizontal direction, thereby saving height space and not affecting mold installation.

[0081] Specifically, the storage box 253 is provided with a first guide wall extending in the horizontal direction and a second guide wall extending in the vertical direction.

[0082] The first slider 251 moves along the first guide wall, that is, it is restricted to sliding only in the horizontal direction. The second slider 252 moves along the second guide wall, that is, it is restricted to sliding only in the vertical direction.

[0083] In this embodiment, the first guide wall is the top wall of the receiving cavity. The second guide wall is the side wall of the receiving cavity.

[0084] Figure 6 This is a schematic diagram of the structure of the die assembly in this embodiment, as shown below. Figure 6 As shown, the die assembly 1 includes a die receiving seat 11, a flanging die 12, and a second fine-tuning mechanism 13.

[0085] The flanging die 12 is set in the die holder 11 and can swing in the vertical plane. The gap between the flanging die 12 and the punch 22 can be defined for clamping the workpiece.

[0086] The second fine-tuning mechanism 13 is located in the die holder 11 and is used to adjust the swing position of the flanging die 11.

[0087] Understandably, the second fine-tuning mechanism 13 can fine-tune the swing position of the flanging die 11, and with the cooperation of the first fine-tuning mechanism 25, it can fine-tune the two main components inside the die.

[0088] Figure 7 This is a schematic diagram showing the positional relationship between the flanging die 12 and the punch 22 in this embodiment, as shown below. Figure 7 As shown, the flanging die 12 and the punch 22 are arranged on the same circumference. Figure 7 On the dashed line, the rotation centers of the flanging die 12 and the punch 22 coincide.

[0089] Since both are on the same circumference and their centers of rotation coincide, rotating the angle of punch 22 counterclockwise by α and the angle of flanging die 12 counterclockwise by α will not affect the processed shape. Similarly, by adjusting the angles of punch 22 and flanging die 12 differently, different shapes can be processed.

[0090] Figure 8 This is a structural schematic diagram of the flanging die 12, as shown below. Figure 8 As shown, the flanging die 12 includes a die body 120 and a protrusion 121 on its top.

[0091] The die receiving base 11 has a first die receiving groove 111 and a second die receiving groove 112 that are connected to each other.

[0092] The protrusion 121 is rotatably disposed in the first die receiving groove 111, the die body 120 is disposed in the second die receiving groove 112, and the bottom of the second die receiving groove 112 is set as an arc shape.

[0093] Optionally, the protrusion 121 is provided with a hanging hole, and the first die receiving groove 111 is provided with a hanging rod (not shown). The hanging rod passes through the hanging hole 1210 of the protrusion 121 in the horizontal direction, so that the entire flanging die 12 rotates around the hanging rod.

[0094] In this embodiment, the first die receiving groove 111 is configured as an arc shape, and the protrusion 121 serves as the rotation center of the flanging die 12. Preferably, the bottom of the die body 120, i.e., the end away from the protrusion 121, is configured as an arc shape with the same shape as the second die receiving groove 112.

[0095] The die body 120 has outwardly extending limbs 1201 on both sides along its swing direction.

[0096] Two second fine-tuning mechanisms 13 are provided, and the two second fine-tuning mechanisms 13 are symmetrically arranged on both sides of the swing direction of the flanging die 12 to push the limbs 1201 on the adjacent side.

[0097] It is understandable that the two second fine-tuning mechanisms 13 can act on the die body 120 with forces in opposite directions, thereby controlling the angle of the die body 120 in the clockwise or counterclockwise direction.

[0098] The second fine-tuning mechanism 13 is described as an example. The second fine-tuning mechanism 13 includes a second driving member 131, which passes through the die receiving seat 11 and abuts against the corresponding side limb 1201. The second driving member 131 reciprocates axially by rotating around its own axis.

[0099] In this embodiment, the second driving member 131 is configured as a bolt. It is understood that the die receiving seat 11 is provided with a threaded hole corresponding to the bolt, and the bolt can rotate and move axially along the threaded hole, thereby controlling the position of the limb 1201.

[0100] It is understandable that when the second drive member 131 on one side moves to the left a certain distance, the second drive member 131 on the other side is also controlled to move to the left by the same distance, so as to achieve fine adjustment of the position of the die 12.

[0101] Continue to participate Figure 1 The progressive die assembly also includes an upper die assembly 3 and a lower die assembly 4.

[0102] The die assembly 1 is mounted on the lower die assembly 4, and the punch assembly 2 is mounted on the upper die assembly 3. The upper die assembly 3 can move downward, thereby driving the punch assembly 2 to move downward together.

[0103] The working principle of the progressive die device provided in this embodiment is as follows:

[0104] In the initial state, there is a preset height difference between the upper mold assembly 3 and the lower mold assembly 4. One end of the workpiece is placed on the surface of the die receiving seat 11, while the other end of the workpiece is unsupported.

[0105] The upper die assembly 3 is driven to move downward, pressing one end of the workpiece on the die receiving seat 11. At the same time, the punch assembly 2 drives the other end of the workpiece to continue moving downward, thereby achieving workpiece bending.

[0106] The fine-tuning principle of the progressive die device provided in this embodiment includes fine-tuning of the punch 22 and fine-tuning of the flanging die 12.

[0107] The punch 22 is mounted on the punch holder 21 and can swing in a vertical plane. The first drive member 250 drives the first slider 251 to move to the left. Then the first slider 251 drives the second slider 252 to move downward, which in turn causes the pressure rod 23 to move downward, thereby causing the punch 22 to rotate. Alternatively, the first slider 251 can be driven to move to the right, and the punch 22 will rotate in the other direction due to the elastic force, thus achieving fine adjustment of the punch 22.

[0108] The flanging die 12 is set in the die holder 11 and can swing in the vertical plane. When the second drive member 131 on one side moves a certain distance to one side, it controls the second drive member 131 on the other side to move the same distance to the same side, which can realize the fine adjustment of the position of the die 12.

[0109] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A progressive die device, characterized in that, Includes a die assembly (1) and a punch assembly (2) movable relative to it in a vertical direction, the punch assembly (2) comprising: Punch holder (21); A punch (22), disposed on the punch holder (21) and capable of swinging in a vertical plane, the punch (22) being constantly subjected to an upward elastic force; and A pressure rod (23) is inserted through the punch holder (21) and can be adjusted in height. The pressure rod (23) is used to press the punch (22) downward. The punch assembly (2) further includes a first elastic element (24); The punch (22) includes: The punch body (221) abuts against the first elastic member (24), and the punch body (221) is used to clamp the workpiece; and A punch connecting rod (222) is connected to the top of the punch body (221) and contacts the pressure rod (23); The punch storage base (21) is provided with a first punch storage groove (211) and a second punch storage groove (212) that are connected to each other. One end of the first punch storage groove (211) is open and the other end is provided with an arc-shaped groove bottom surface. The second punch storage groove (212) extends in the vertical direction. One end of the punch body (221) is slidably mounted on the bottom surface of the groove, and the punch connecting rod (222) extends from the first punch storage groove (211) to the second punch storage groove (212); The bottom of the pressure rod (23) is slidably disposed in the second punch receiving groove (212); The die assembly (1) includes: Die holder (11); A flanging die (12), disposed in the die holder (11), is oscillating in the vertical plane, and a gap for clamping the workpiece is defined between the flanging die (12) and the punch (22); and The second fine-tuning mechanism (13) is provided in the die receiving seat (11) and is used to adjust the swing position of the flanging die (12); The flanging die (12) and the punch (22) are arranged on the same circumference, and their rotation centers coincide. The flanging die (12) includes a die body (120) and a protrusion (121) on its top; The die receiving base (11) is provided with a first die receiving groove (111) and a second die receiving groove (112) that are connected to each other. The protrusion (121) is rotatably disposed in the first die receiving groove (111). The die body (120) is disposed in the second die receiving groove (112). The bottom of the second die receiving groove (112) is set as an arc shape. The die body (120) has outwardly extending limbs (1201) on both sides along its swing direction; Two second fine-tuning mechanisms (13) are provided, and the two second fine-tuning mechanisms (13) are symmetrically arranged on both sides of the swing direction of the flanging die (12) to push the limb (1201) on the adjacent side; The second fine-tuning mechanism (13) includes: The second drive member (131) passes through the cavity mold receiving seat (11) and abuts against the corresponding side of the limb (1201). The second drive member (131) reciprocates axially by rotating about its own axis.

2. The progressive die device according to claim 1, characterized in that, The punch assembly (2) further includes a first fine-tuning mechanism (25) for adjusting the height of the pressure rod (23).

3. The progressive die device according to claim 2, characterized in that, The first fine-tuning mechanism (25) includes: The first driving member (250) reciprocates axially by rotating about its own axis; The first slider (251) has one end that can be pushed by the first driving member (250); and The second slider (252) has one end abutting against the first slider (251) and the other end connected to the pressure rod (23); The first driving member (250) drives the first slider (251) to move along the first horizontal direction, and then the first slider (251) drives the second slider (252) to move downward.

4. The progressive die device according to claim 3, characterized in that, The first slider (251) and the second slider (252) are in contact with each other along a pair of inclined planes.

5. The progressive die device according to claim 3, characterized in that, The first fine-tuning mechanism (25) also includes a storage box (253), which has a storage cavity. One end of the first slider (251), the second slider (252), the first driving member (250), and one end of the pressure rod (23) are all located in the storage cavity.

6. The progressive die apparatus according to claim 5, characterized in that, The storage box (253) is provided with a first guide wall extending in the horizontal direction and a second guide wall extending in the vertical direction; The first slider (251) moves along the first guide wall; The second slider (252) moves along the second guide wall.

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