An internal single-section pressing tool capable of automatic material feeding

Abstract

This utility model discloses an internal single-section pressing fixture capable of automatic material feeding, including a hydraulic press with a vertically adjustable hydraulic head. A lower mold base is provided on the table below the hydraulic head, and positioning mechanisms are equidistantly arranged on the surface of the lower mold base along the circumferential direction. The positioning mechanism includes a base detachably mounted on the surface of the lower mold base by bolts and an elastic positioning pin fixed to the surface of the base. A floating pressure block is provided on one side of the bottom of the hydraulic head, and the floating pressure block is connected to the hydraulic head through a spring assembly. A material feeding mechanism is provided on the side opposite the floating pressure block, mounted on the table of the hydraulic press, and the material feeding mechanism is correspondingly connected to an external material collection box. This utility model adopts an integrated pressing and material feeding structure design, reducing manual intervention. The modular structure of the positioning mechanism and the material feeding mechanism is adaptable to the assembly of single chain links of different specifications, enabling efficient pressing and automatic material feeding of single links within the chain, significantly improving production efficiency and assembly consistency.

Description

Technical Field

[0001] This utility model relates to the field of chain assembly technology, and in particular to an internal single-section pressing tool that can automatically unload materials. Background Technology

[0002] Before assembly, a section of the chain is usually taken for length and strength testing. This is typically done manually, which is inefficient. However, large chain assembly equipment wastes energy when used for testing 2m to 3m test chains. Therefore, there is a need for a chain assembly equipment suitable for small batches. In the existing chain drive assembly process, automated equipment is used to press individual links together. Although it has pressing and conveying functions, manual removal is still required after pressing, which results in low efficiency, easy misassembly, and high labor intensity. Utility Model Content

[0003] To address the aforementioned technical problems, an internal single-section pressing fixture capable of automatic material feeding is provided.

[0004] To achieve the above objectives, this utility model discloses an internal single-section pressing fixture capable of automatic material feeding, including a hydraulic press with a vertically adjustable hydraulic head. A lower mold base is provided on the table below the hydraulic head, and positioning mechanisms are equidistantly arranged on the surface of the lower mold base along the circumferential direction. The positioning mechanism includes a base that is detachably mounted on the surface of the lower mold base by bolts and an elastic positioning pin fixed on the surface of the base. A floating pressure block is provided on one side of the bottom of the hydraulic head, and the floating pressure block is connected to the hydraulic head through a spring assembly. A material feeding mechanism is provided on the table of the hydraulic press on the side opposite to the position of the floating pressure block, and the material feeding mechanism is correspondingly connected to an external material collection box.

[0005] Furthermore, each set of bases has wedge-shaped guide grooves symmetrically opened on both sides.

[0006] Furthermore, the bottom of the unloading mechanism is movably mounted on the slide rail assembly via a slider. The slide rail assembly is fixed to the inclined platform on the side of the lower mold base. The unloading mechanism includes an unloading plate located above the slider. The side of the unloading plate closest to the lower mold base is connected to a picking fork via a rotating shaft. The rotating shaft is driven by a steering cylinder.

[0007] Furthermore, an electric push rod is provided on the inclined platform between the slide rail assemblies, and the top of the electric push rod and the top of the slider are connected to the magnetic plate at the bottom of the feed plate by magnetic attraction.

[0008] Furthermore, the end of the picking fork is chamfered, the surface of the picking fork is coated with polyurethane, the spacing between the picking forks corresponds to the guide grooves on both sides of the base, and the width of the guide groove is greater than the width of a single picking fork.

[0009] Furthermore, the top of the hydraulic head is integrated with a control system, including a PLC controller, a sensor control group, and a solenoid valve control group.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model discloses an internal single-section pressing tool that can automatically unload materials. It adopts an integrated pressing and unloading structure design, which reduces manual intervention. The modular structure of the positioning mechanism and the unloading mechanism can adapt to the assembly of single chain links of different specifications. It can realize efficient pressing and automatic unloading of single links in the chain, which significantly improves production efficiency and assembly consistency. Attached Figure Description

[0011] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is a schematic diagram showing the positions of the feeding mechanism and the lower mold base of this utility model.

[0014] Figure 3 This is a schematic diagram of the feeding mechanism of this utility model.

[0015] In the diagram: 1 is a hydraulic press; 2 is a hydraulic head; 21 is a floating pressure block; 3 is a lower mold base; 31 is a guide groove; 4 is a positioning mechanism; 41 is a base; 42 is an elastic positioning pin; 5 is an inclined table; 51 is a slide rail assembly; 52 is an electric push rod; 6 is a feeding mechanism; 61 is a feeding plate; 62 is a picking fork; 63 is a rotating shaft; 64 is a magnetic plate. Detailed Implementation

[0016] 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.

[0017] One embodiment of this utility model is as follows: Figure 1 and Figure 2As shown, a lower mold base 3 is set on the table below the hydraulic head 2. The bottom of the lower mold base is driven to rotate by a stepper motor. The bottom of the hydraulic head located on the front has an inclined angle. The positioning mechanism at this station is used by the operator to place the chain plate to be pressed, ensuring the safety of the operating environment. Positioning mechanisms 4 are equidistantly arranged on the surface of the lower mold base 3 along the circumferential direction. The positioning mechanism 4 includes a base 41 that is detachably installed on the surface of the lower mold base 3 by bolts and an elastic positioning pin 42 fixed on the surface of the base 41. A floating pressure block 21 is set on one side of the bottom of the hydraulic head 2. The floating pressure block 21 is connected to the hydraulic head 2 by a spring assembly. On the side opposite to the floating pressure block 21, a feeding mechanism 6 is set on the table of the hydraulic press 1. The feeding mechanism 6 is connected to the external collection box. The pressing and feeding are integrated into a structural design, reducing manual intervention. The modular structure of the positioning mechanism and the feeding mechanism is suitable for the assembly of single chain links of different specifications, which can realize the efficient pressing and automatic feeding of single links in the chain, significantly improving production efficiency and assembly consistency.

[0018] like Figure 2 and Figure 3 As shown, the bottom of the unloading mechanism 6 is movably mounted on the slide rail assembly 51 via a slider. The slide rail assembly 51 is fixed on the inclined platform 5 on the side of the lower mold base 3 to ensure that the inner single piece can slide smoothly. The unloading mechanism 6 includes an unloading plate 61 located above the slider. The side of the unloading plate 61 near the lower mold base 3 is connected to a picking fork 62 via a rotating shaft 63. The rotating shaft 63 is driven by a steering cylinder. When the picking fork rotates toward the unloading plate, it can tilt the inner single piece on the picking fork onto the unloading plate and slide it into the collection box. The tilt angle of the inclined platform is α, and the rotation angle of the picking fork does not exceed 90°-α to ensure that the inner single piece on the picking fork can be tilted smoothly. As a preferred embodiment of this application, the tilt angle of the inclined platform is 8°, and the maximum rotation angle of the picking fork is 82°.

[0019] like Figure 2 As shown, an electric push rod 52 is provided on the inclined platform 5 between the slide rail assemblies 51. The top of the electric push rod 52 and the top of the slider are connected to the magnetic plate 64 at the bottom of the feeding plate 61 by magnetic attraction. When the slide rail assembly drives the feeding mechanism to move normally, the attraction between the slider and the feeding plate prevents the feeding plate from slipping, ensuring connection stability. After the picking fork enters the guide groove, the sensor realizes the positioning detection. Specifically, a photoelectric sensor or a contact switch is used. When the picking fork is in position, the slider is locked and stops moving. The electric push rod rises and contacts the magnetic plate until the pushing force is greater than the attraction between the slider and the magnetic plate, causing the feeding plate to separate from the slider.

[0020] Each base 41 has symmetrical guide grooves 31 on both sides. The guide grooves are wedge-shaped. The end of the picking fork 62 is chamfered. The surface of the picking fork 62 is coated with polyurethane to avoid scratching the surface of the inner section. The spacing between the picking forks 62 corresponds to the guide grooves 31 on both sides of the base 41. The width of the guide groove 31 is greater than the width of a single picking fork 62. When the feeding mechanism moves along the slide rail assembly, the picking fork reaches the bottom of the inner section located on the positioning mechanism from the guide groove to avoid interference and facilitate material picking. The guide groove, which is wider than the width of the picking fork, can adapt to the replacement and adjustment of positioning mechanisms of different specifications.

[0021] The top of the hydraulic head 2 is equipped with a control system, including a PLC controller, a sensor control group, and a solenoid valve control group, which realizes the linkage control between the components.

[0022] The working principle of this embodiment is as follows: The operator first pre-installs the inner chain plate and sleeve in the positioning mechanism, with the elastic positioning pin corresponding to the sleeve hole. After the stepper motor starts rotating at a preset angle, the pre-installed inner section moves to the next station. The hydraulic head, controlled by the PLC servo cylinder, presses down to complete the pressing. The pressed semi-finished product continues to move through the stepper motor-driven lower mold base. Multiple sets of floating pressure blocks can be installed at the station between the pressing station and the unloading station as needed to improve the pressing yield of the inner section. Once the inner section moves to the station corresponding to the unloading mechanism... Afterwards, the sensor assembly generates a signal to control the slide rail assembly to move the lower mold base of the material plate insertion box. The picking fork passes through the guide groove and reaches the bottom of the inner section. After it reaches the bottom, the electric push rod rises to separate the material plate from the slider. The height of the electric push rod is greater than the height of the elastic positioning pin to ensure that the inner section is completely disengaged. After it rises to the bottom, the electric push rod locks, and the solenoid valve controls the steering cylinder to rotate toward the material plate, causing the inner section on the picking fork to tilt onto the material plate and slide into the collection box. The electric push rod, picking fork, and slide rail assembly are reset, completing one pressing and unloading cycle.

[0023] Several points need to be clarified: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal connections between two components, or direct connections. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and the relative positional relationships may change when the absolute position of the described objects changes. Second, in this document, relational terms such as "first" and "second" are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between these entities.

[0024] The above examples are merely illustrative of this utility model and do not constitute a limitation on the scope of protection of this utility model. All designs that are the same as or similar to this utility model are within the scope of protection of this utility model.

Claims

1. An internal single-section pressing fixture capable of automatic material feeding, comprising a hydraulic press (1) with a vertically adjustable hydraulic head (2), characterized in that, A lower mold base (3) is provided on the table below the hydraulic head (2). Positioning mechanisms (4) are provided at equal intervals along the circumferential direction on the surface of the lower mold base (3). The positioning mechanism (4) includes a base (41) that is detachably installed on the surface of the lower mold base (3) by bolts and an elastic positioning pin (42) fixed on the surface of the base (41). A floating pressure block (21) is provided on one side of the bottom of the hydraulic head (2). The floating pressure block (21) is connected to the hydraulic head (2) through a spring assembly. A feeding mechanism (6) is provided on the side opposite to the floating pressure block (21) and installed on the table of the hydraulic press (1). The feeding mechanism (6) is connected to the external collection box.

2. The internal single-section pressing fixture capable of automatic material feeding according to claim 1, characterized in that, Each base (41) has wedge-shaped guide grooves (31) symmetrically opened on both sides.

3. The internal single-section pressing fixture capable of automatic material feeding according to claim 1, characterized in that, The bottom of the feeding mechanism (6) is movably mounted on the slide rail assembly (51) via a slider. The slide rail assembly (51) is fixed on the inclined platform (5) on the side of the lower mold base (3). The feeding mechanism (6) includes a feeding plate (61) located above the slider. The feeding plate (61) is connected to a picking fork (62) via a rotating shaft (63) on the side near the lower mold base (3). The rotating shaft (63) is driven by a steering cylinder.

4. An internal single-section pressing fixture capable of automatic material feeding according to claim 3, characterized in that, An electric push rod (52) is provided on the inclined platform (5) between the slide rail assemblies (51). The top of the electric push rod (52) and the top of the slider are connected to the magnetic plate (64) at the bottom of the feed plate (61) by magnetic attraction.

5. An internal single-section pressing fixture capable of automatic material feeding according to claim 3, characterized in that, The end of the picking fork (62) is chamfered, the surface of the picking fork (62) is coated with polyurethane, the spacing between the picking forks (62) corresponds to the guide grooves (31) on both sides of the base (41), and the width of the guide grooves (31) is greater than the width of a single picking fork (62).

6. An internal single-section pressing fixture capable of automatic material feeding according to claim 1, characterized in that, The hydraulic head (2) is equipped with a control system, including a PLC controller, a sensor control group and a solenoid valve control group.

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