Hoisting wedge of arched sliding block structure

Abstract

The utility model relates to the field of wedges in stamping dies, in particular to a hoisting wedge of an arch-shaped sliding block structure, which comprises a driving assembly and a sliding block assembly, and the sliding block assembly is arranged obliquely above the driving assembly in a sliding mode. The sliding block assembly comprises a sliding part, a connecting part and a stamping part, the sliding part is connected with the driving assembly in a sliding mode, the connecting part is arranged between the sliding part and the stamping part, and a stamping tool installation face is arranged on the inclined lower portion of the stamping part. The sliding block is of an arch-shaped structure, and the stamping tool installation face can extend outwards to the machining portion away from the end face of the base. When the die installation space is insufficient, the driving block can be installed on the outer side or the edge position of a die machining part, and the extending length of the sliding block can overcome the defect that the space is narrow. When the installation space of the die is sufficient, the material returning assembly can be arranged between the driving block and the machining face of the sliding block to assist material returning, and the two procedures are completed at the same time. The technical problems that an existing wedge structure is insufficient in stamping space and complex in working procedure can be solved.

Description

Technical fields:

[0001] This utility model relates to the field of wedges in stamping dies, and in particular to a hoisting wedge with an arched slider structure. Background technology:

[0002] The wedge mechanism is a mechanical mechanism that transforms vertical motion into horizontal or tilting motion, and it is widely used in the mold industry. As molds become more mature in the automotive manufacturing industry, mold costs and quality control requirements are also increasing, which in turn places higher demands on the wedge's space occupation, load-bearing capacity (including punching force, lateral force, stamping speed, and wedge material strength), working surface size, return force, and ease of maintenance.

[0003] Currently available wedge mechanisms generally consist of three main parts: a base assembly, a slider assembly, and a drive assembly. The upper part of the slider assembly is embedded between the components of the base assembly. The slider slides along the base guide surface via a top guide surface. Side plates are mounted on both sides of the slider to handle lateral forces, and the mounting surface of the stamping tool is connected to the guide surface. However, this wedge structure has the following drawbacks:

[0004] The close proximity between the slider stamping surface and the drive block results in insufficient space in the stamping chamber. Workpiece processing and waste disposal are two separate processes, which are complicated, time-consuming, labor-intensive, inefficient, and costly.

[0005] The slider has a compact structure and a short lateral dimension, making it unsuitable for machining workpieces far from the base surface. Utility Model Content:

[0006] The purpose of this invention is to provide a hoisting wedge with an arched slider structure, which can solve the technical problems of insufficient stamping space, complex processes, and inability to process workpieces far from the base surface of the existing wedge structure.

[0007] To achieve the above objectives, the present invention provides a hoisting wedge with an arched slider structure, comprising a drive assembly and a slider assembly, wherein the slider assembly is slidably disposed above the drive assembly.

[0008] The slider assembly includes a sliding part, a connecting part, and a stamping part. The sliding part is slidably connected to the drive assembly. The connecting part is disposed between the sliding part and the stamping part. A stamping tool mounting surface is provided diagonally below the stamping part.

[0009] As a preferred embodiment, the lower end of the connector has grooves on both sides along the lateral direction. This is to reduce the weight of the slider assembly.

[0010] As a preferred embodiment, the connecting portion is provided with a retraction component along the longitudinal direction.

[0011] Furthermore, the retraction component is a nitrogen spring or a mechanical spring.

[0012] As a preferred embodiment, the sliding part, connecting part, and stamping part are integrally connected.

[0013] As a preferred embodiment, the hoisting wedge further includes a material ejection assembly located below the stamping tool mounting surface.

[0014] As a preferred embodiment, the hoisting wedge further includes a base assembly, which is disposed above the slider assembly.

[0015] Furthermore, the bottom surface of the base assembly is parallel to the top surface of the slider assembly, and their lengths match.

[0016] This utility model has the following advantages:

[0017] The slider adopts an arched structure, allowing the stamping tool mounting surface to extend outwards to areas far from the base end face. When mold mounting space is insufficient, the drive block can be mounted on the outside or edge of the mold workpiece; the extended length of the slider can compensate for the limited space. Figure 4 As shown. When there is sufficient space in the mold installation, a material ejection assembly can be installed between the drive block and the slide block machining surface to assist in material ejection, such as... Figure 7 As shown, this allows two processes to be completed at the same time, saving processing time.

[0018] The mounting surface slide of the stamping tool adopts an arched structure. By extending the slide, interference between the slide and the mold base can be effectively avoided. The appropriate slide length can be selected according to the time required for waste processing during slide disassembly operations.

[0019] The slider adopts an arched structure, and the drive block can be processed to be exquisite and compact, which expands the space between the stamping tool mounting surface and the drive block, providing sufficient space for installing the stamping tool on the stamping tool mounting surface.

[0020] The base and slider adopt a U-shaped structure, which enhances the wedge's ability to withstand lateral forces, increases the guide area, and improves overall performance.

[0021] The slider and the drive are guided by a V-shaped guide plate, which improves the guiding accuracy, enhances the ability to withstand lateral forces, and improves the machining accuracy. Attached image description:

[0022] Figure 1 This is the front view of Embodiment 1 of this utility model.

[0023] Figure 2 This is an exploded view of Embodiment 1 of this utility model.

[0024] Figure 3 This is a schematic diagram of the stamping process in Embodiment 1 of this utility model.

[0025] Figure 4 This is a schematic diagram of the operation of Embodiment 1 of this utility model.

[0026] Figure 5 This is an exploded view of Embodiment 2 of this utility model.

[0027] Figure 6 This is a schematic diagram of the stamping process in Embodiment 2 of this utility model.

[0028] Figure 7 This is a schematic diagram of the operation of Embodiment 2 of this utility model.

[0029] Explanation of reference numerals in the attached figures:

[0030] Base assembly 100, base 110, base reference hole 111, buffer 130, flat guide plate 140, nitrogen cylinder top block 150, spring guide pin 151, slider assembly 200, slider 210, slider recess 211, slider reference hole 212, T-shaped boss 213, stamping tool mounting surface 214, nitrogen spring 220, mechanical spring 221, forced return device 230, V-shaped upper guide plate 240, U-shaped guide plate 250, groove 260, drive assembly 300, drive block 310, V-shaped lower guide plate 320, drive guide surface 321, unloading assembly 400, stamping tool 500, material plate 600, scrap 700. Detailed implementation method:

[0031] To make the technical problem solved by this utility model, the technical solution adopted, and the technical effects achieved clearer, the technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only for explaining this utility model and not for limiting it. Furthermore, it should be noted that, for ease of description, only the parts related to this utility model are shown in the accompanying drawings, not all of them.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, 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 this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Specifically, the terms "first position" and "second position" refer to two different positions.

[0033] This utility model relates to a hoisting wedge with an arched slider structure, including a drive assembly, a slider assembly, a material ejection assembly, and a base assembly. The slider assembly is slidably disposed above the drive assembly; the material ejection assembly is located below the mounting surface of the stamping tool. The base assembly is disposed above the slider assembly. The bottom surface of the base assembly is parallel to the top surface of the slider assembly, and their lengths match. This utility model enables the mold to stamp parts far from the base surface; avoids interference between the wedge and the mold base during the stamping process, saving assembly space; and allows the mold stamping and scrap handling operations to be performed in a single process, shortening the process, improving processing efficiency, and saving processing costs.

[0034] The slider assembly includes a sliding part, a connecting part, and a stamping part. The sliding part is slidably connected to the drive assembly. The connecting part is disposed between the sliding part and the stamping part. A stamping tool mounting surface is provided diagonally below the stamping part. The stamping tool is mounted on the stamping tool mounting surface, located diagonally below and in front of the slider. The lower end of the connecting part has grooves on its two lateral sides to reduce the weight of the slider assembly. A retraction component is provided longitudinally within the connecting part. The retraction component is a nitrogen spring or a mechanical spring; a spring with the largest possible elasticity can be selected according to actual needs to maximize the retraction force, facilitating processing and unloading operations. The sliding part, connecting part, and stamping part are integrally connected.

[0035] The base is provided with a base reference hole, and the slider is provided with a slider reference hole. When the wedge is disassembled, maintained, or subjected to secondary processing, the disassembly and assembly are made quicker and more convenient by referring to the position of the reference hole.

[0036] This utility model provides two types of slider assemblies: a short outward-facing type and a long outward-facing type. For the short outward-facing type, the total horizontal length of the slider is less than 300mm, the mounting surface forms a 90-degree angle with the sliding direction, and the machining direction is consistent with the sliding direction. For the long outward-facing type, the total horizontal length is greater than 300mm, the mounting surface forms a 90-degree angle with the sliding direction, and the machining direction is consistent with the sliding direction. For the long inward-facing type, the horizontal length is greater than 300mm, the machining direction forms a 90-degree angle with the sliding direction, and the machining direction is consistent with the sliding direction; during machining, the distance between the slider and the drive is shortened.

[0037] In practical applications, when selecting an 80mm wide wedge with an angle between 50° and 80°, the slider type can be chosen as follows: For mold mounting spaces less than 435mm horizontally, use a short, outward-facing slider. Its drive block occupies less space, and the slider's arched structure faces outwards, with a greater distance from the drive block, effectively avoiding interference between the base and potential interference on the mold. For mold mounting spaces greater than 435mm horizontally, use a long, outward-facing slider. Its mounting surface is farther from the base end face, allowing for the machining of parts far from the base end face and difficult-to-machine areas, while also helping to shorten processes and improve efficiency.

[0038] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0039] Example 1: In this example, the slider has an outwardly short structure. It is suitable for situations where the horizontal distance between the installation space of the wedge on the mold is less than 300mm. The mounting surface of the stamping tool on the slider is at a 90-degree angle to the guide sliding direction, and the processing direction is consistent with the guide sliding direction.

[0040] like Figures 1-4 As shown, this embodiment discloses a lifting wedge with an arched slider structure and a working surface width of 80mm and a working angle of 50 degrees or more. The lifting wedge includes a base assembly 100, a slider assembly 200, and a drive assembly 300. Wherein:

[0041] The base assembly 100 includes a base 110 and a stop block. The base 110 has a U-shaped groove and a base reference hole 111. One end of the U-shaped groove is closed, and the other end is open, with a stop block at the open end. A rubber buffer 130 is provided on the side of the stop block facing the U-shaped groove to cushion the retracting slider 210. A flat guide plate 140 is provided at the lower part of the base. The stop block has a threaded mounting hole and a buffer mounting groove. The stop block is fixed to the base with screws. The buffer mounting groove is located at the lower part of the stop block, and the buffer is fitted into the groove of the stop block. The stop block can withstand the impact force of the slider in the horizontal direction during operation through the buffer. The base 110 adopts a U-shaped groove structure with guide plates 140 installed on both sides. The slider 210 adopts a T-shaped protrusion structure and is equipped with a U-shaped guide plate 250, which strengthens the slider 210's ability to withstand lateral forces. The U-shaped guide plate 250 is made of copper alloy, which effectively protects the base of the slider 210 and the base 110, reducing wear on the main components, the slider 210 and the base 110. The flat guide plate 140 is also made of copper alloy with added graphite lubrication, which enhances the guiding performance, wear resistance, and overall service life. The base 110 is provided with a base reference hole 111, and the slider 210 is provided with a slider reference hole 212. The base reference hole 111 and the slider reference hole 212 can serve as reference points for wedge disassembly, ensuring that the slider 210 is disassembled in the appropriate position, preventing the slider 210 from slipping during disassembly and assembly, or facilitating disassembly in confined spaces, thus providing convenience for subsequent processing and maintenance.

[0042] The slider assembly 200 includes a slider 210, a spring recess 211 on the slider, and a slider reference hole 212. The lower end of the slider 210 has grooves 260 on its two transverse sides, a nitrogen spring 220, a V-shaped upper guide plate 240, and a forced return device 230. The upper T-shaped boss 213 of the slider 210 is installed into the U-shaped groove of the base 110. One end of the nitrogen spring 220 is fixed in the slider recess 211 at the upper end of the slider 210, and the other end rests on the nitrogen steel top block 150 at the closed end of the U-shaped groove. The nitrogen steel top block 150 is installed at the closed end of the U-shaped groove. Guide structures are provided between the top surface of the slider 210 and the bottom surface of the U-shaped groove, and between the two sides of the slider 210 and the two sides of the U-shaped groove. The guide structure includes a guide plate 140 and a U-shaped guide plate 250. Specifically, the U-shaped guide plate 250 is screwed onto the top of the slider 210, and flat guide plates 250 with graphite self-lubricating structures are provided on both sides of the U-shaped groove. The forced return device 230 is screwed onto both sides of the slider 210. When the wedge retracts, the forced return device hooks onto the drive assembly 310, forcing the slider 210 to retract along the guide surface of the drive block 310.

[0043] The upper part of the slider 210 is provided with a T-shaped boss 213, and the U-shaped guide plate 250 is fixed to the T-shaped boss 213 of the slider 210 by positioning bolts tightened from bottom to top. The flat guide plate 140 is fixed to both sides of the U-shaped slide groove at the bottom of the base 110 by fastening bolts tightened from top to bottom, and the upper T-shaped boss of the slider assembly 200 is matched and installed in the U-shaped slide groove on the base 110. The slider 210 has three structures: one is an inward elongation type, one is an outward elongation type, and one is an outward elongation type. The sliding direction of the slider 210 is at a 90-degree angle to the mounting surface 214 of the stamping tool, and the mounting surface faces outward, away from the lower drive block 310. The fixed surface of the V-shaped upper guide plate 240 on the slider 210 faces inward at a 90-degree angle to the mounting surface. The matching V-shaped lower guide plate 320 on the drive 310 slides at a 90-degree angle to the mounting surface. After assembly, the slider 230 will move along the sliding direction of the drive guide surface 321. During operation, the vertical downward force of the base 110 is decomposed into a thrust moving along the sliding direction and a processing force consistent with the mounting surface direction. When it is necessary to disassemble the slider assembly 200, the fixing bolts of the stop block must be removed first, the stop block removed, and then the slider assembly 200 pushed out along the base groove until the base reference hole and the slider reference hole are on the same vertical line for easy disassembly. The working surface of the slider 210 adopts a maximum width design, that is, the working surface width is equal to the width of the slider 210, the width of the base 110, and the width of the drive block 310, which can obtain the maximum mounting surface width and the maximum working surface width of the wedge of the same width. The working surface is used to install punches, inserts, and other tools. A larger working surface allows for the installation of more tools, saving processing steps and reducing manufacturing costs. The slide block 210 adopts an arched structure, increasing the space between the stamping tool mounting surface 214 and the drive assembly 300. This reduces the mutual influence between the drive block 310 and the slide block 210, allowing the drive block 310 to be minimized while meeting performance requirements. In actual installation and use, the space for the drive block on the lower die will be even smaller. Sufficient space between the slide block assembly and the drive assembly allows for a waste disposal process, enabling machining and waste disposal to be performed in the same step, reducing processes and improving efficiency.

[0044] The drive assembly 300 includes a drive block 310 and a V-shaped lower guide plate 320. The upper V-shaped guide plate 240 is concave-V and fixed to the lower part of the slider 210 with screws at an angle of 120 degrees. The lower V-shaped guide plate 320, matching the upper V-shaped guide plate 240, is convex-V and fixed to the upper part of the drive block 310 with screws, also at an angle of 120 degrees. The upper V-shaped guide plate 240 and the lower V-shaped guide plate 320 cooperate to guide the slider 210 along the drive block 310. The contact surface between the two components is the drive guide surface 321. The drive assembly 300 and the slider assembly 200 employ a matching concave-V and convex-V structure, enhancing the lateral force resistance between the drive 310 and the slider 210 and improving machining accuracy. Simultaneously, the lower V-shaped guide plate, made of copper alloy with graphite lubrication, improves overall guiding performance, wear resistance, and extends service life.

[0045] The working process of installing the wedge is briefly described below.

[0046] During material pressing, the guide plate contacts the slider and guides it, and the force is transmitted from the base to the guide plate and then to the slider. When there is a lateral force on the slider, the lateral force is transmitted through the slider to the U-shaped guide plate and then from the U-shaped guide plate to the side of the U-shaped groove cavity of the base. After the slider assembly contacts the drive assembly, the slider assembly moves according to the drive assembly's guide surface. When the wedge returns to its original position, a nitrogen spring or rectangular spring provides the return force. When the slider assembly returns, it first contacts the buffer on the stop block to reduce impact and noise, thereby preventing the slider from moving and avoiding exceeding its stroke. Figure 3 The downward-sloping arrow indicates the stamping direction, and the horizontal arrow indicates the stamping space. The stamping tool 500 is installed at the lower end of the slider assembly, and the scrap material processed from the material plate 600 falls into the outside of the mold.

[0047] Example 2: In this example, the slider has an outwardly elongated structure. It is suitable for situations where the horizontal distance between the installation space of the inclined wedge on the mold is greater than 300mm. The mounting surface of the stamping tool on the slider is at a 90-degree angle to the guide sliding direction, and the processing direction is consistent with the guide sliding direction.

[0048] like Figures 5-7 As shown, this embodiment discloses an outwardly elongated hoisting wedge with an arched slider structure, a working surface width of 80mm, and a working angle of 50°. The horizontal length of the wedge slider 210 is greater than 350mm. During operation, the return force is provided by a rectangular spring 151. One end of the rectangular spring 221 is installed in the slider recess 211 at the upper end of the slider 210, and the other end rests on the closed end spring guide pin 151 of the U-shaped groove. The spring guide pin 151 is installed at the closed end of the U-shaped groove. The remaining structure is the same as in Embodiment 1.

[0049] Figure 6The downward-sloping arrow indicates the stamping direction, and the horizontal arrow indicates the stamping space. The stamping tool 500 is installed at the lower end of the slider assembly, and the ejector assembly 400 is located below the stamping tool 500. The scrap material 700 processed from the material plate 600 falls directly into the stamping space.

[0050] The design concept and advantages of the hoisting wedge of this utility model are explained below:

[0051] 1) The arched slider structure can be mounted on a surface far from the base surface: It can be used to process workpieces far from the base surface, effectively avoiding interference with the mounting mold. At the same time, the positions of the drive guide surface and the mounting surface can be interchanged, increasing the range of applicable processing.

[0052] 2) The arched structure has strong load-bearing capacity: The arched structure slider decomposes the processing force on the base into the sliding force in the guide direction and the punching force on the mounting surface of the stamping tool. The forces on both sides are balanced, and the slider has a stronger load-bearing capacity.

[0053] 3) The wedge can bear a large lateral force: The bottom and sides of the slider assembly and the base assembly are equipped with guide structures with a large guide area, which can bear a large lateral force. When the width of the slide is large, the U-shaped guide plate on the base can increase the bearing capacity of the lateral force.

[0054] 4) Maximizing the mounting surface: With wedges of the same width, the mounting surface of the stamping tool is maximized, allowing for the installation of more and larger tools, thereby saving processes for the mold.

[0055] 5) Compact drive block structure: The mounting surface of the stamping tool is not directly related to the drive guide surface, and there is ample adjustment space, which allows the drive block to be processed with minimal effort, saving installation space.

[0056] 6) Cost reduction and efficiency improvement: The sliding surface and mounting surface have sufficient space, which can adjust the waste disposal and workpiece processing decomposition process into one process, reduce the number of processes, improve processing efficiency, and save processing costs.

[0057] 7) High positioning accuracy: The drive block and the slider are guided by a V-shaped guide plate, which makes the working performance more stable and the machining accuracy higher.

[0058] 8) Minimizing the wedge closure height saves vertical space for the mold; minimizing the highest point of the drive component avoids the robot being unable to pass or the robot having a long stroke, thus avoiding wasted time.

Claims

1. A hoisting wedge with an arched slider structure, characterized in that: It includes a driving component and a slider component, wherein the slider component is slidably disposed above the driving component; The slider assembly includes a sliding part, a connecting part, and a stamping part. The sliding part is slidably connected to the drive assembly. The connecting part is disposed between the sliding part and the stamping part. A stamping tool mounting surface is provided diagonally below the stamping part.

2. The hoisting wedge of the arched slider structure according to claim 1, characterized in that: The lower end of the connector has grooves on both sides along the lateral direction.

3. The hoisting wedge of the arched slider structure according to claim 1, characterized in that: The connecting part is provided with a retraction component along the longitudinal direction.

4. The hoisting wedge of the arched slider structure according to claim 3, characterized in that: The retraction component is a nitrogen spring or a mechanical spring.

5. The hoisting wedge of the arched slider structure according to claim 1, characterized in that: The sliding part, connecting part, and stamping part are integrally connected.

6. The hoisting wedge of the arched slider structure according to claim 1, characterized in that: The hoisting wedge also includes a material ejection assembly, which is located below the mounting surface of the stamping tool.

7. The hoisting wedge of the arched slider structure according to claim 1, characterized in that: The hoisting wedge also includes a base assembly, which is disposed above the slider assembly.

8. The hoisting wedge of the arched slider structure according to claim 7, characterized in that: The bottom surface of the base assembly is parallel to the top surface of the slider assembly, and their lengths are matched.

Images