Automatic gravity ejection mechanism for pin shaft of cubic press

Abstract

The utility model is applicable to the technical field of pin shaft ejection, and provides an automatic gravity ejection mechanism for a pin shaft of a cubic press, which comprises a bottom plate, a vertical mounting plate is arranged on the bottom plate, a gravity hammer is arranged on the front side of the vertical mounting plate, a hammer rod is arranged at the bottom of the gravity hammer, a buffer component is arranged on the outer side of the hammer rod, and the buffer component comprises a buffer ring. The outer surface of the hammer rod is movably sleeved with the buffering ring, two buffering rods are arranged on the upper surface of the buffering ring, two compression cavities are formed in the gravity hammer, the upper ends of the buffering rods penetrate into the compression cavities in a sliding mode, and the ends, located in the compression cavities, of the buffering rods are provided with assisting assemblies; according to the device, through the arrangement of the buffering assembly, a certain buffering effect can be formed between the gravity hammer and the hinge beam, and the problem that the gravity hammer directly falls on the hinge beam to cause damage and even breakage is avoided as much as possible; and the using effect of the device when the pin shaft is ejected out is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pin shaft ejection technical field more specifically, it relates to a six -sided top press machine pin shaft gravity automatic ejection mechanism. BACKGROUND

[0002] The connection between the six hinge beams of the six-sided top press machine of the diamond synthesis equipment is realized through the solid rigid straight pin shaft, the hinge beam bears larger pressure in the work, the surface of some pin shafts is prone to strain deformation or cannot be disassembled at all, and finally a scrapped disassembly mode is mostly used, so the ejection device needs to be used to eject the pin shaft from the hinge beam.

[0003] According to the search, the prior art CN215139664U discloses a six-sided top press machine pin shaft gravity automatic ejection device, which is dropped under the action of the gravity of the earth's center and impacts the pin shaft by the hammer head to complete the ejection of the pin shaft.

[0004] However, the inventor finds that the prior art has the following problems: in the prior art, when the pin shaft is ejected, the bottom of the hammer head is easily directly impacted on the top of the hinge beam, and if the hammer head is used for a long time, the contact surface between the hammer head and the hinge beam is prone to damage or even breakage, which affects the later use effect of the hammer head and the hinge beam and affects the practicability of the device in ejecting the pin shaft. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a six-sided top press machine pin shaft gravity automatic ejection mechanism which can form a certain buffering effect between the gravity hammer and the hinge beam, and can avoid the problem of damage or even breakage caused by the gravity hammer directly falling on the hinge beam, thereby ensuring the use effect of the device in ejecting the pin shaft.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A six-sided top press machine pin shaft gravity automatic ejection mechanism, comprising a bottom plate, a vertical mounting plate is arranged on the bottom plate, a guide rail is arranged on the front surface of the vertical mounting plate, a guide rail joint is slidably connected to the guide rail, a gravity hammer is arranged on the front surface of the guide rail joint, a hammer rod is arranged at the bottom of the gravity hammer, a buffer assembly is arranged on the outer side of the hammer rod, the buffer assembly comprises a buffer ring, the buffer ring is movably sleeved on the outer surface of the hammer rod, two buffer rods are arranged on the upper surface of the buffer ring, two compression cavities are arranged in the gravity hammer, the two compression cavities are located directly above the two buffer rods, the upper end of the buffer rod is slidably penetrated into the compression cavity, a power assisting assembly is arranged at one end of the buffer rod in the compression cavity, and a spring is movably sleeved on the outer surface of the buffer rod between the buffer ring and the bottom of the gravity hammer.

[0008] The utility model further sets up: be equipped with winch on the bottom plate, the front of vertical mounting plate is connected with guide wheel, be equipped with steel rope on the guide wheel, steel rope is set on the top of guide wheel, and one end is connected with the top of gravity hammer, and the other end is connected with the winding end of winch.

[0009] The utility model further sets up: the bottom of buffer ring is equipped with rubber pad piece for slowing down the impact force between buffer ring and hinge beam.

[0010] The utility model further sets up: the power assisting component includes rack, and the rack is located on one end of the buffer rod in the compression cavity, and the lower surface of gravity hammer is provided with extension slot, and the upper end of hammer rod extends into the extension slot and slides in the extension slot, and the inner wall of compression cavity close to the extension slot is provided with the communication cavity that communicates with the extension slot, and the extension slot is located between the two compression cavities.

[0011] The utility model further sets up: the left and right two sides inner walls of communication cavity are rotatably connected with the shaft, and the outer surface of shaft is provided with gear, and the opposite sides of gear extend into the extension slot and compression cavity respectively.

[0012] The utility model further sets up: the side of gear in compression cavity is engagedly connected with rack, and the outer surface of hammer rod close to gear is provided with the gear slot that is engagedly connected with gear.

[0013] The utility model further sets up: the bottom of bottom plate is equipped with the brake trundle in four corners.

[0014] The utility model further sets up: the shape of guide rail is I-shaped, and guide rail joint and guide rail connecting part are adapted with guide rail.

[0015] The utility model has the advantages of:

[0016] First, the utility model is provided with buffer assembly, can form certain buffer effect between gravity hammer and hinge beam, avoids the problem that gravity hammer directly falls on hinge beam and causes damage or even fracture, guarantees the use effect of the device when ejecting pin shaft.

[0017] Second, the utility model is provided with power assisting assembly, can add a downward power to hammer rod when hammer rod is about to eject pin shaft, avoids the situation that hammer rod cannot eject pin shaft due to the reduction of impact force in the process of ejecting pin shaft, further guarantees the ejecting effect of the device on pin shaft. DRAWINGS

[0018] Figure 1 It is the structural schematic drawing of the utility model six -sided top press pin shaft gravity automatic ejecting mechanism;

[0019] Figure 2For Figure 1 Enlarged view at A;

[0020] Figure 3 For Figure 1 Enlarged view at B;

[0021] Figure 4 For the sectional view schematic diagram of the gravity hammer of the utility model;

[0022] Figure 5 For Figure 4 Enlarged view at C.

[0023] In the figure: 1, bottom plate; 101, brake trolley; 2, vertical mounting plate; 3, guide rail; 4, guide rail joint; 5, gravity hammer; 6, guide wheel; 7, steel rope; 8, winch; 9, hammer rod; 901, buffer ring; 902, rubber gasket; 903, buffer rod; 904, spring; 905, compression cavity; 10, power-assisted assembly; 1001, rack; 1002, extension groove; 1003, tooth groove; 1004, communication cavity; 1005, rotating shaft; 1006, gear. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-5 , the utility model provides the following technical scheme: specifically refers to a six -sided top press pin shaft gravity automatic ejection mechanism, including bottom plate 1, bottom plate 1 is equipped with vertical mounting plate 2, the front of vertical mounting plate 2 is equipped with guide rail 3, guide rail 3 is slidably connected with guide rail joint 4, the front of guide rail joint 4 is provided with gravity hammer 5, the bottom of gravity hammer 5 is equipped with hammer rod 9, so hammer rod 9 is moved to the top of six -sided top press pin shaft, and gravity hammer 5 is controlled to fall under the action of inertia, so hammer rod 9 will form impact to six -sided top press pin shaft, and the pin shaft can be ejected from the hinge beam of six -sided top press.

[0025] The four corners of the bottom of bottom plate 1 are all equipped with brake trolley 101, brake trolley 101 is prior art known and will not be described in detail, brake trolley 101 makes the device convenient to move, facilitates the pin shaft ejection of six -sided top press in different positions, and the brake on brake trolley 101 can limit the device as a whole when used, so that the problem of the device moving as a whole when used is avoided as much as possible.

[0026] The shape of guide rail 3 is I-shaped, and the connecting part of guide rail joint 4 and guide rail 3 is adapted to guide rail 3, so that the I-shaped guide rail 3 can limit guide rail joint 4, so that guide rail joint 4 will not be separated from guide rail 3 when being pulled transversely, and the use effect of guide rail joint 4 is guaranteed.

[0027] The bottom plate 1 is provided with a winch 8, the winch 8 is a known technology and will not be described in detail here, the front of the vertical mounting plate 2 is rotatably connected with a guide wheel 6, the guide wheel 6 is provided with a steel wire 7, the steel wire 7 is arranged on the top of the guide wheel 6, and one end is connected with the top of the gravity hammer 5, and the other end is connected with the winding end of the winch 8, in use, the winch 8 winds the steel wire 7, so that the gravity hammer 5 can be pulled to the top, when the gravity hammer 5 is located directly above the pin shaft of the six-side pressing machine, the winch 8 loosens the steel wire 7, so that the gravity hammer 5 falls under the action of inertia and ejects the pin shaft.

[0028] The outer side of the hammer rod 9 is provided with a buffer assembly, the buffer assembly includes a buffer ring 901, the buffer ring 901 is movably sleeved on the outer surface of the hammer rod 9, the upper surface of the buffer ring 901 is provided with two buffer rods 903, the two buffer rods 903 are mirror images arranged with the hammer rod 9 as the center, two compression cavities 905 are formed in the gravity hammer 5, the two compression cavities 905 are located directly above the two buffer rods 903 respectively, the upper end of the buffer rod 903 slides through and penetrates into the compression cavity 905, one end of the buffer rod 903 located in the compression cavity 905 is provided with a power assisting assembly 10, a spring 904 movably sleeved on the outer surface of the buffer rod 903 is arranged between the buffer ring 901 and the bottom of the gravity hammer 5, when the spring 904 is not extruded, the spring 904 will form a thrust force on the buffer ring 901, so that the initial position of the buffer ring 901 is away from the gravity hammer 5, when the hammer rod 9 ejects the pin shaft and the gravity hammer 5 approaches the hinge beam, the buffer ring 901 contacts the top of the hinge beam, at this time, the buffer ring 901 extrudes the spring 904, so that the spring 904 is stressed and shrinks, and at the same time, the buffer rod 903 is compressed upward into the compression cavity 905, in this way, a certain buffering effect is formed between the gravity hammer 5 and the hinge beam, so as to avoid the problem that the gravity hammer 5 directly falls on the hinge beam and causes damage or even fracture, and the use effect of the device when ejecting the pin shaft is guaranteed.

[0029] The bottom of the buffer ring 901 is provided with a rubber pad 902, which is used to reduce the impact force between the buffer ring 902 and the hinge beam, and can achieve the purpose of protecting the buffer ring 901.

[0030] The power-assisted assembly 10 comprises a rack 1001 arranged on the buffer rod 903 at one end of the compression cavity 905, the lower surface of the gravity hammer 5 is provided with an extension groove 1002, the upper end of the hammer rod 9 extends into the extension groove 1002 and slides in the extension groove 1002, the extension groove 1002 is located between the two compression cavities 905, the inner wall of the compression cavity 905 close to the extension groove 1002 is provided with a communication cavity 1004 in communication with the extension groove 1002, the left and right inner walls of the communication cavity 1004 are rotationally connected with a rotating shaft 1005, the outer surface of the rotating shaft 1005 is sleeved with a gear 1006, the opposite sides of the gear 1006 extend into the extension groove 1002 and the compression cavity 905 respectively, the side of the gear 1006 located in the compression cavity 905 is meshingly connected with the rack 1001, the outer surface of the hammer rod 9 close to the gear 1006 is provided with a gear groove 1003 meshingly connected with the gear 1006, when the buffer ring 901 is at the initial position away from the gravity hammer 5, the rack 1001 is located at the bottom of the compression cavity 5, and the upper surface of the hammer rod 9 is in contact with the top wall of the extension groove 1002, so that when the hammer rod 9 ejects the pin shaft, the hammer rod 9 is limited from upward displacement by the top wall of the extension groove 1002, so that the hammer rod 9 can eject the pin shaft, and the hammer rod 9 is not subject to the problem of downward sliding due to the action of the spring 904, when the buffer ring 901 buffers the gravity hammer 5, the buffer rod 903 pushes the rack 1001 to upwardly displace, so that the rack 1001 drives the gear 1006 to rotate, so that the hammer rod 9 is downwardly displaced under the action of the gear groove 1003 driven by the gear 1006, and the above structure can exert a downward power on the hammer rod 9 when the hammer rod 9 is about to eject the pin shaft, so that the situation that the pin shaft cannot be ejected due to reduction of impact force in the process that the hammer rod 9 ejects the pin shaft is avoided as much as possible, and the ejection effect of the device on the pin shaft is further ensured.

[0031] The working principle of the gravity automatic ejection mechanism for the pin shaft of the six-surface press machine is as follows: when the hammer rod 9 ejects the pin shaft and the gravity hammer 5 is close to the hinge beam, the buffer ring 901 is in contact with the top of the hinge beam, at this time, the buffer ring 901 will extrude the spring 904, so that the spring 904 is stressed and shrinks, and the buffer rod 903 is compressed upwardly into the compression cavity 905.

Claims

1. A gravity automatic ejection mechanism for a hexagonal top press pin shaft, comprising a bottom plate (1), a vertical mounting plate (2) is arranged on the bottom plate (1), the front surface of the vertical mounting plate (2) is provided with a guide rail (3), a guide rail joint (4) is slidably connected to the guide rail (3), the front surface of the guide rail joint (4) is provided with a gravity hammer (5), the bottom of the gravity hammer (5) is provided with a hammer rod (9), characterized in that: The outer side of the hammer rod (9) is provided with a buffer assembly, the buffer assembly comprises a buffer ring (901), the buffer ring (901) is movably sleeved on the outer surface of the hammer rod (9), the upper surface of the buffer ring (901) is provided with two buffer rods (903), two compression cavities (905) are formed in the gravity hammer (5), the upper end of the buffer rod (903) is slidably penetrated into the compression cavity (905), one end of the buffer rod (903) in the compression cavity (905) is provided with a power assisting assembly (10), and the buffer ring (901) and the bottom of the gravity hammer (5) are provided with a spring (904) movably sleeved on the outer surface of the buffer rod (903).

2. A gravity automatic ejection mechanism for a piston shaft of a cubic press according to claim 1, characterized in that: The bottom plate (1) is provided with a winch (8), the front surface of the vertical mounting plate (2) is rotatably connected with a guide wheel (6), the guide wheel (6) is provided with a steel wire (7), the steel wire (7) is arranged on the top of the guide wheel (6) and connected with the top of the gravity hammer (5) at one end and connected with the winding end of the winch (8) at the other end.

3. A gravity automatic ejection mechanism for a piston shaft of a cubic press according to claim 1, characterized in that: The bottom of the buffer ring (901) is provided with a rubber pad (902).

4. A gravity automatic ejection mechanism for a piston shaft of a cubic press according to claim 1, characterized in that: The power assisting assembly (10) comprises a rack (1001), the rack (1001) is arranged on one end of the buffer rod (903) in the compression cavity (905), the lower surface of the gravity hammer (5) is provided with an extension groove (1002), the upper end of the hammer rod (9) extends into the extension groove (1002) and slides in the extension groove (1002), and the inner wall of the compression cavity (905) close to the extension groove (1002) is provided with a communication cavity (1004) in communication with the extension groove (1002).

5. A gravity automatic ejection mechanism for a piston shaft of a cubic press according to claim 4, characterized in that: The extension groove (1002) is located between the two compression cavities (905).

6. A gravity automatic ejection mechanism for a piston shaft of a cubic press according to claim 4, characterized in that: The left and right inner walls of the communication cavity (1004) are rotatably connected with a rotating shaft (1005), the outer surface of the rotating shaft (1005) is sleeved with a gear (1006), and the opposite sides of the gear (1006) extend into the extension groove (1002) and the compression cavity (905) respectively.

7. A gravity automatic ejection mechanism for a piston shaft of a cubic press according to claim 6, characterized in that: The side of the gear (1006) in the compression cavity (905) is in meshing connection with the rack (1001), and the outer surface of the hammer rod (9) close to the gear (1006) is provided with a gear slot (1003) in meshing connection with the gear (1006).

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