A driving structure of a styling line box unstacker
Patent Information
- Application Number
- CN202522604655.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-09
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-12-09
AI Technical Summary
[0003]其中，现有的捅头均为一整体，且按压面为平面，在按压过程中，捅头冲压砂箱内部区域，按压面与型砂面的接触面大，型砂整体受压脱离移动，导致砂箱侧壁受到型砂挤压的力度较大，容易造成挤压破坏
[0014]本实用新型提供了一种造型线捅箱机驱动结构，包括：捅头，其具有一按压工作面，所述捅头受到驱动靠近或远离待分离工件；初压分离头，其设置于捅头的按压工作面，所述初压分离头固定设置或可活动设置于捅头；所述初压分离头受压前，所述初压分离头挤压面至待分离工件之间的距离小于捅头的按压工作面至待分离工件之间的距离。当待分离工件（已浇筑完毕需脱模的砂箱）受到定位后，在进行脱离工作时，所述捅头受到驱动靠近待分离工件，在按压工作面接触型砂之前，初压分离头的挤压面会优先于型砂接触，随着，驱动部件的继续驱动，初压分离头挤压型砂的中部区域，而由于挤压面的面积小会对型砂的中部区域产生集中应力，使得型砂有集中应力区域受到破坏并下移，导致型砂的中部区域的完整面受到破坏，当随着按压工作面与型砂接触并挤压后，型砂面破坏所产生的形变会部分进入集中应力区域，从而降低对砂箱侧壁的挤压。本实用新型可以在分离按压过程中，利用设置于捅头中心区域的初压分离头，对型砂进行初步按压破碎，使得中部出现挤压缓冲区域，以降低型砂块横向力作用至砂箱上，导致砂箱形变。
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Figure CN224913536U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of molding line equipment, and in particular to a driving structure for a molding line box-pouring machine. Background Technology
[0002] On automated molding production lines, sand box removal is a crucial step, primarily used for separating the sand from the casting after it has cooled. After the casting is poured and cooled, the sand box, along with the molding sand and casting inside, is placed in the sand box removal machine for separation. First, the sand box to be separated is positioned and locked. Then, the punch head presses against the internal area of the sand box, causing the molding sand and casting to detach from the sand box and fall onto the vibrating separator.
[0003] The existing punches are all integral pieces with a flat pressing surface. During the pressing process, the punches press against the internal area of the sand box, and the contact area between the pressing surface and the molding sand surface is large. The molding sand is pressed and moves away, resulting in a large force of molding sand squeezing the side wall of the sand box, which can easily cause squeezing damage.
[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0005] To address the aforementioned deficiencies, the purpose of this utility model is to provide a driving structure for a molding line punching machine. During the separation and pressing process, the initial pressure separation head located in the central area of the punching head can be used to initially press and crush the molding sand, creating a compression buffer zone in the middle to reduce the lateral force of the molding sand blocks acting on the sand box, thus preventing deformation of the sand box.
[0006] To achieve the above objectives, this utility model provides a driving structure for a molding line punching machine, comprising: a punch head having a pressing working surface, the punch head being driven to move closer to or further away from the workpiece to be separated; and a primary pressure separating head disposed on the pressing working surface of the punch head, the primary pressure separating head being fixedly disposed or movably disposed on the punch head; before the primary pressure separating head is pressed, the distance between the pressing surface of the primary pressure separating head and the workpiece to be separated is less than the distance between the pressing working surface of the punch head and the workpiece to be separated.
[0007] According to the driving structure of the molding line punching machine of this utility model, the extrusion surface of the initial pressure separation head is an arc surface.
[0008] According to the driving structure of the molding line punching machine of this utility model, the punch head is mounted on a moving platform, and the moving platform is driven by a driving component to move; multiple punch heads are arranged on the moving platform; the initial pressure separation head corresponds to multiple punch heads, and they are arranged one-to-one.
[0009] According to the driving structure of the molding line punching machine of this utility model, the initial pressure separating head has a guide part, and the punch head is provided with an installation cavity; the guide part is movably installed in the installation cavity along its own axial direction; the movement limit position of the initial pressure separating head is that the top of the initial pressure separating head is flush with the pressing working surface.
[0010] According to the driving structure of the molding line punching machine of this utility model, the separating head and the punching head are connected by an elastic support member.
[0011] According to the styling line punching machine drive structure of this utility model, the guide part is screwed into the mounting cavity.
[0012] According to the driving structure of the molding line punching machine of this utility model, one end of the elastic support is fixed to the separation head, and the other end is fixed to the punching head.
[0013] According to the driving structure of the molding line punching machine of this utility model, one end of the elastic support member is fixed to the separating head, and the other end is fixed to the adjusting ring, which is screwed to the punching head.
[0014] This utility model provides a driving structure for a molding line punching machine, comprising: a punch head having a pressing working surface, the punch head being driven to move closer to or away from the workpiece to be separated; and a primary pressure separating head disposed on the pressing working surface of the punch head, the primary pressure separating head being fixedly disposed or movably disposed on the punch head; before the primary pressure separating head is pressed, the distance between the pressing surface of the primary pressure separating head and the workpiece to be separated is less than the distance between the pressing working surface of the punch head and the workpiece to be separated. Once the workpiece to be separated (the sand box that has been cast and needs to be demolded) is positioned, during the separation process, the punch head is driven to approach the workpiece. Before the pressing surface contacts the molding sand, the extrusion surface of the initial pressure separation head will preferentially contact the molding sand. As the driving component continues to drive, the initial pressure separation head extrudes the central area of the molding sand. Due to the small area of the extrusion surface, concentrated stress is generated in the central area of the molding sand, causing the area with concentrated stress to be damaged and moved downward, resulting in the destruction of the intact surface of the central area of the molding sand. When the pressing surface contacts and extrudes the molding sand, the deformation caused by the destruction of the molding sand surface will partially enter the concentrated stress area, thereby reducing the extrusion on the side wall of the sand box. This utility model can use the initial pressure separation head set in the central area of the punch head to perform preliminary pressing and crushing of the molding sand during the separation pressing process, so that a compression buffer area appears in the middle, thereby reducing the lateral force of the molding sand block acting on the sand box and causing deformation of the sand box. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of the mobile platform of this utility model with a single probe head; Figure 2 yes Figure 1 A cross-sectional view; Figure 3 This is a schematic diagram of the working process of this utility model; Figure 4 This is a structural diagram of the initial pressure separation head and its auxiliary structures; Figure 5 This is a schematic diagram of the structure of the mobile platform of this utility model having multiple probes; In the diagram, 00-mobile platform, 1-tamper head, 10-pressing working surface, 2-initial pressure separation head, 21-guide part, 5-elastic support component, 6-adjusting ring. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.
[0017] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0018] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.
[0019] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0020] See Figure 1 , Figure 2 and Figure 3 This utility model provides a driving structure for a molding line box-pouring machine, which includes: A punch head 1 has a pressing working surface 10, which is driven to move closer to or away from the workpiece to be separated; a primary pressure separation head 2 is disposed on the pressing working surface of the punch head 1, which is fixedly disposed or movably disposed on the punch head 1; before the primary pressure separation head is pressed, the distance between the pressing surface of the primary pressure separation head 2 and the workpiece to be separated is less than the distance between the pressing working surface 10 of the punch head 1 and the workpiece to be separated.
[0021] Once the workpiece to be separated (the sand box that has been cast and needs to be demolded) is positioned, during the separation process, the punch head 1 is driven to approach the workpiece to be separated. Before the pressing working surface 10 contacts the molding sand, the extrusion surface of the initial pressure separation head 2 will contact the molding sand first. As the driving component continues to drive, the initial pressure separation head 2 extrudes the central area of the molding sand. Due to the small area of the extrusion surface, concentrated stress is generated in the central area of the molding sand, causing the concentrated stress area of the molding sand to be damaged and moved downward, resulting in the destruction of the intact surface of the central area of the molding sand and the generation of a transverse force buffer area (it should be noted that the transverse force buffer area needs to avoid the location of the casting to avoid concentrated stress damaging the casting). When the pressing working surface 10 contacts and extrudes the molding sand, the transverse force of the deformation generated by the destruction of the molding sand surface will partially enter the concentrated stress area (i.e., the buffer area), thereby reducing the extrusion on the side wall of the sand box.
[0022] In some embodiments of this invention, the extrusion surface of the initial pressure separating head 2 is an arc surface or a plane. Preferably, the extrusion surface is an arc surface, because the extrusion force on the molding sand surface is more concentrated on the arc surface, resulting in a more destructive effect.
[0023] In some embodiments of this utility model, the probe head 1 is mounted on a mobile platform 00, which is driven by a driving component to move; the driving component is a cylinder, hydraulic cylinder, etc., and the output end 01 of the driving component is fixedly connected to the mobile platform 00, with the base mounted on a bracket. See also Figure 5 If the sand box has multiple casting areas, the mobile platform 00 is equipped with multiple nozzles 1, each nozzle 1 corresponding to a casting area; and the initial pressure separation head 2 is configured with multiple nozzles 1, and they correspond one-to-one.
[0024] When the mobile platform 00 moves toward the sand box, it can drive multiple punch heads 1 to simultaneously press and release multiple casting areas.
[0025] In some embodiments of this utility model, the initial pressure separating head 2 adopts a movable structure and has a guide part 21. The nozzle 1 is provided with an installation cavity. The guide part 21 is movably installed in the installation cavity along its own axial direction. The maximum position of movement of the initial pressure separating head 2 is that the top end of the initial pressure separating head 2 is flush with the pressing working surface 10.
[0026] In the first embodiment of this application, the movable installation method is that the guide part 21 is screwed into the installation cavity, but other installation methods can also be used.
[0027] The initial pressure separating head 2 is set as a movable adjustment structure, which can adjust the distance between the squeezing surface of the initial pressure separating head 2 and the pressing working surface 10 of the punch head 1, so as to adjust the force generated by the initial pressure separating head 2 (the smaller the distance between the two, the smaller the local effect of the pressing force, and vice versa).
[0028] In the second embodiment of this application, the separating head 2 and the nozzle 1 are connected by an elastic support 5. One end of the elastic support 5 is fixed to the separating head 2, and the other end is fixed to the nozzle 1.
[0029] During operation, the movable initial pressure separation head 2 applies "non-rigid" pressure, which has a buffering pressing effect. The pressure is applied from small to large, so as to ensure that the concentrated stress is generated by the small pressure as much as possible to destroy the prototype sand surface and avoid excessive concentrated stress from damaging the internal castings.
[0030] See Figure 4 Alternatively, in the third embodiment of this application, one end of the elastic support 5 is fixed to the separating head 2, and the other end is fixed to the adjusting ring 6, which is screwed to the nozzle 1. This allows for both adjustment of the axial distance and application of "non-rigid" pressure.
[0031] In summary, this utility model provides a driving structure for a molding line punching machine, comprising: a punch head having a pressing working surface, the punch head being driven to move closer to or away from the workpiece to be separated; and a primary pressure separating head disposed on the pressing working surface of the punch head, the primary pressure separating head being fixedly disposed or movably disposed on the punch head; before the primary pressure separating head is pressed, the distance between the pressing surface of the primary pressure separating head and the workpiece to be separated is less than the distance between the pressing working surface of the punch head and the workpiece to be separated. Once the workpiece to be separated (the sand box that has been cast and needs to be demolded) is positioned, during the separation process, the punch head is driven to approach the workpiece. Before the pressing surface contacts the molding sand, the extrusion surface of the initial pressure separation head will preferentially contact the molding sand. As the driving component continues to drive, the initial pressure separation head extrudes the central area of the molding sand. Due to the small area of the extrusion surface, concentrated stress is generated in the central area of the molding sand, causing the area with concentrated stress to be damaged and moved downward, resulting in the destruction of the intact surface of the central area of the molding sand. When the pressing surface contacts and extrudes the molding sand, the deformation caused by the destruction of the molding sand surface will partially enter the concentrated stress area, thereby reducing the extrusion on the side wall of the sand box. This utility model can use the initial pressure separation head set in the central area of the punch head to perform preliminary pressing and crushing of the molding sand during the separation pressing process, so that a compression buffer area appears in the middle, thereby reducing the lateral force of the molding sand block acting on the sand box and causing deformation of the sand box.
[0032] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.
Claims
1. A drive structure for a molding line box-making machine, characterized in that, include: A punch head having a pressing working surface, the punch head being driven to move closer to or away from the workpiece to be separated; The initial pressure separation head is disposed on the pressing working surface of the nozzle, and the initial pressure separation head is fixedly disposed or movably disposed on the nozzle; Before the initial pressure separating head is pressurized, the distance between the pressing surface of the initial pressure separating head and the workpiece to be separated is less than the distance between the pressing working surface of the punch head and the workpiece to be separated.
2. The driving structure for the molding line box-making machine according to claim 1, characterized in that, The extrusion surface of the initial pressure separation head is an arc surface.
3. The driving structure for the molding line box-making machine according to claim 1, characterized in that, The probe head is mounted on a mobile platform, which is moved by a driving component; The mobile platform is equipped with multiple nozzles; the initial pressure separation head corresponds to multiple nozzles, and they are one-to-one.
4. The driving structure for the molding line box-making machine according to claim 1, characterized in that, The initial pressure separation head has a guide portion, and the nozzle head is provided with an installation cavity; The guide part is movably installed in the mounting cavity along its own axis; the maximum position of the movement of the initial pressure separation head is that the top of the initial pressure separation head is flush with the pressing working surface.
5. The driving structure for the molding line box-making machine according to claim 4, characterized in that, The separation head and the tampon head are connected by an elastic support member.
6. The driving structure for the molding line box-making machine according to claim 4, characterized in that, The guide portion is screwed into the mounting cavity.
7. The driving structure for the molding line box-making machine according to claim 5, characterized in that, One end of the elastic support is fixed to the separation head, and the other end is fixed to the nozzle.
8. The driving structure for the molding line box-making machine according to claim 5, characterized in that, One end of the elastic support is fixed to the separation head, and the other end is fixed to the adjusting ring, which is screwed to the nozzle.