An easily operated cubic press and its accessories

Abstract

The application provides an easy-to-operate cubic press and an accessory thereof, and relates to the technical field of cubic presses.The accessory of the easy-to-operate cubic press comprises six working cylinders, the working cylinders are provided with hinge beams, the hinge beams are provided with rectangular positioning holes, the two ends of the positioning holes are provided with outward convex arc surfaces, and the positioning holes are provided with pin shafts and sheaths; the hinge beams are provided with telescopic members, the telescopic ends of the telescopic members push one of the sheaths, the sheath and the pin shaft are close to each other and move along the length direction of the positioning hole until the outer wall of the other sheath contacts with the inner wall of the arc surface of the positioning hole, the pin shaft is wrapped by the two sheaths in the circumferential direction, the outer wall of the pin shaft contacts with the inner wall of the sheath, the two sheaths ensure the positioning of the pin shaft on the positioning holes of the two adjacent hinge beams, the pin shaft is convenient to install, easy to operate, the force bearing area of the pin shaft is increased, the possibility of contact stress concentration is reduced, the local deformation and wear degree of the pin shaft are reduced, and the long-term use reliability is ensured.

Description

Technical Field

[0001] This invention relates to the field of six-sided top press technology, and in particular to an easy-to-operate six-sided top press and its accessories. Background Technology

[0002] The six-sided top press is a core piece of equipment in the synthesis of superhard materials such as synthetic diamond and cubic boron nitride. Its core structure includes a main frame, six symmetrically arranged working cylinders, corresponding pistons and cemented carbide top hammers, and is equipped with a high-pressure hydraulic system and a low-pressure, high-current heating circuit. The hydraulic system drives the six working cylinders to move synchronously, causing the cemented carbide top hammers to close and form a high-pressure chamber. Low voltage and high current are used to directly heat the interior of the chamber, thus providing an environment of ultra-high pressure (typically several GPa to over 10 GPa) and high temperature (over 1000 degrees Celsius) for material synthesis. The six-sided top press is widely used in the production and research of superhard materials such as single crystals, polycrystalline materials, composite wafers, and lab-grown diamonds.

[0003] In the existing six-sided top press structure, adjacent working cylinders are connected by pin holes and pins on the hinge beams. This structure requires the pin holes of each hinge beam to maintain a high degree of coaxiality; otherwise, it is difficult to install the pins, making actual installation quite challenging. Furthermore, during equipment operation, the pins are in line contact with the inner wall of the hinge beams, leading to stress concentration and easily causing localized deformation and wear of the pins, affecting long-term reliability.

[0004] The information disclosed in the background section of this invention is intended only to enhance the understanding of the general background of this invention, and should not be construed as an admission or in any way implying that such information constitutes prior art known to those skilled in the art. Summary of the Invention

[0005] Therefore, it is necessary to provide an easy-to-operate six-sided top press and its accessories to address the problems existing in current six-sided top presses.

[0006] The above objectives are achieved through the following technical solutions:

[0007] An accessory for an easy-to-operate six-sided top press includes six working cylinders located on the six faces of a regular hexahedron. A hinge beam is formed on the side of each working cylinder near its adjacent cylinder. A rectangular positioning hole is formed on the hinge beam, the length of which is parallel to the line connecting two adjacent working cylinders. Both ends of the positioning hole have outwardly convex arc surfaces. A pin and two arc-shaped sheaths are detachably inserted into the positioning hole. The two sheaths have equal diameters and corresponding central angles. A telescopic component is provided on the hinge beam, with a telescopic end. When the sheaths and the pin are sequentially inserted into the positioning hole, the telescopic end of the component pushes one of the sheaths, causing the sheath and the pin to move closer together and along the length of the positioning hole until the outer wall of the other sheath contacts the inner arc surface of the positioning hole. The pin is then circumferentially wrapped by the two sheaths, and the outer wall of the pin contacts the inner wall of the sheath.

[0008] Furthermore, the diameter of the inner wall of the sheath is smaller than the diameter of the pin, and the sheath is made of an elastic material. When the pin is wrapped by two sheaths in its circumferential direction, the diameter of the inner wall of the sheath is equal to the diameter of the pin.

[0009] Furthermore, the thickness of the sheath gradually increases from the middle to both ends in its circumferential direction, and the diameter of the outer wall of the sheath is greater than the arc diameter of the positioning hole; when the pin is wrapped by two sheaths in its circumferential direction, the difference in thickness between the end and the middle of the sheath in its circumferential direction decreases, and the diameter of the outer wall of the sheath is equal to the arc diameter of the positioning hole.

[0010] Furthermore, the sheath gradually forms gaps from the ends to the middle in its circumferential direction, so that the sheath forms an inner plate and an outer plate at both ends in its circumferential direction; when subjected to compressive force, the inner plate and the outer plate move closer to each other, and when the compressive force disappears, the inner plate and the outer plate move further apart, so as to change the thickness difference between the ends and the middle of the sheath in its circumferential direction.

[0011] Furthermore, the inner wall of the inner plate is provided with contact elements. When the outer wall of the pin is in contact with the inner wall of the sheath, it is in the first state. When the sheath and the pin approach each other to the first state, or when the sheath and the pin move away from each other from the first state, the contact elements at both ends of the sheath respectively hinder and allow the pin to rotate circumferentially, so that the pin can rotate circumferentially.

[0012] Furthermore, the contact element consists of a plurality of ratchet teeth evenly spaced along the circumference of the sheath, the ratchet teeth being made of an elastic material and having the same orientation along the circumference of the sheath.

[0013] Furthermore, the difference in the number of opposing hinge beams on two adjacent working cylinders is 1. In the two adjacent hinge beams through which a single pin passes, the two telescopic members are located at both ends of the length direction of their respective positioning holes. The extension directions of the telescopic ends of the two telescopic members are opposite, so as to push the two sheaths respectively and bring the sheaths and the pins closer to each other.

[0014] Furthermore, the central angle corresponding to the sheath is 180°.

[0015] Furthermore, one end of the pin is provided with an end seat, the other end of the pin passes through the hinge beam and is fitted with a baffle, and the other end of the pin is also provided with a pin, which is used to limit the position of the baffle on the pin.

[0016] This invention also provides the following technical solutions:

[0017] An easy-to-operate six-sided top press includes a pressurizing system and a heating system. The pressurizing system supplies high-pressure oil to the working cylinder, and the heating system generates high temperature. The working cylinder has a piston, and the end of the piston is provided with a top hammer, which is used to transmit the pressure of the piston.

[0018] The present invention has at least the following beneficial effects:

[0019] (1) Insert the sheath and pin into the positioning hole in sequence. The telescopic end of the telescopic component pushes one of the sheaths, so that the sheath and pin move closer to each other and along the length of the positioning hole until the outer wall of the other sheath contacts the inner wall of the arc surface of the positioning hole. The pin is wrapped by the two sheaths in its circumferential direction, and the outer wall of the pin contacts the inner wall of the sheath, thus completing the installation of the pin. The two sheaths ensure that the pin is positioned in the positioning holes on the two adjacent hinge beams. The installation of the pin is convenient and easy to operate. In addition, there is surface contact between the pin and the sheath, and between the sheath and the arc surface of the positioning hole. This increases the force-bearing area of ​​the pin and reduces the possibility of contact stress concentration, thereby reducing the local deformation and wear of the pin and ensuring long-term reliability.

[0020] (2) The sheath is made of elastic metal. Before being inserted into the positioning hole, the diameter of the inner wall of the sheath is smaller than the diameter of the pin under normal conditions, and the opening of the sheath is small. When the telescopic component pushes one of the sheaths, the opening of the sheath gradually increases. After the pin is installed, the pin is wrapped by the two sheaths in its circumferential direction. When the equipment is working, under the elastic force of the sheath, the outer wall of the pin and the inner wall of the sheath maintain full surface contact, and the force-bearing area of ​​the pin is always large.

[0021] (3) Before being inserted into the positioning hole, i.e., under normal conditions, the thickness of the sheath gradually increases from the middle to both ends in its circumferential direction, and the diameter of the outer wall of the sheath is greater than the arc diameter of the positioning hole. When the pin is wrapped by two sheaths in its circumferential direction, the thickness difference between the ends and the middle of the sheaths in its circumferential direction decreases, but a thickness difference still exists. The other sheath generates a pressing elastic force on the inner wall of the arc surface of the positioning hole, and the diameter of the outer wall of the sheath is equal to the arc diameter of the positioning hole, thus ensuring that the outer wall of the other sheath and the inner wall of the arc surface of the positioning hole maintain sufficient surface contact. In addition, the other sheath generates a pressing elastic force on the outer wall of the pin, ensuring that the inner wall of the other sheath also maintains sufficient surface contact with the outer wall of the pin, thus further ensuring that the pin maintains a large force-bearing area.

[0022] (4) The extension and retraction of the telescopic end of the telescopic component can be controlled periodically as needed, so that the sheath and the pin are close to each other to the first state, or the sheath and the pin are far apart from each other from the first state. During this process, the contact parts at both ends of the sheath respectively hinder and allow the pin to rotate in its circumference, so that the pin can rotate in its circumference, thereby allowing the pin to rotate at a certain angle periodically without disassembling the pin, so that the pin can be deformed and worn more evenly in its circumference. Attached Figure Description

[0023] Figure 1 A schematic diagram of the structure of an easy-to-operate six-sided top press provided in an embodiment of the present invention;

[0024] Figure 2 for Figure 1 Top view;

[0025] Figure 3 for Figure 2 Sectional view along line AA in the middle;

[0026] Figure 4 for Figure 2 BB-direction sectional view in the middle;

[0027] Figure 5 for Figure 3 and Figure 4 Schematic diagram of the structure of the center pin and the sheath;

[0028] Figure 6 This is a structural diagram of the sheath;

[0029] Figure 7 for Figure 2 Another state diagram;

[0030] Figure 8 for Figure 7 CC-direction section view;

[0031] Figure 9 for Figure 7 DD section view in the middle;

[0032] Figure 10 for Figure 8 and Figure 9 A schematic diagram of the structure of the center pin and the sheath.

[0033] in:

[0034] 101. Working cylinder; 102. Hinge beam; 103. Positioning hole; 104. Pin; 105. Baffle plate; 106. Insert pin; 107. Piston;

[0035] 201. Sheath; 202. Expansion joint; 203. Gap; 204. Inner panel; 205. Outer panel; 206. Contact element. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0037] The component designations used in this document, such as "first" and "second," are merely for distinguishing the described objects and do not have any sequential or technical meaning. The terms "connection" and "linkage" used in this invention, unless otherwise specified, include both direct and indirect connections (linkages). It should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are used only for the convenience of describing the invention and simplifying the description. They 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, and therefore should not be construed as limiting the invention.

[0038] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0039] like Figures 1 to 10As shown, this embodiment of the invention provides an accessory for an easy-to-operate six-sided press, including six working cylinders 101 located on the six surfaces of a regular hexahedron. A hinge beam 102 is formed on the side of each working cylinder 101 near its adjacent working cylinder 101. A rectangular positioning hole 103 is formed on the hinge beam 102. The length direction of the positioning hole 103 is parallel to the line connecting two adjacent working cylinders 101. Both ends of the positioning hole 103 have outwardly convex arc surfaces. A pin 104 and two arc-shaped protective sleeves 201 are detachably inserted into the positioning hole 103. The diameters of 01 are equal and the corresponding central angles are equal; the hinge beam 102 is provided with a telescopic member 202, which has a telescopic end. The sheath 201 and the pin 104 are sequentially installed into the positioning hole 103. The telescopic end of the telescopic member 202 pushes one of the sheaths 201, so that the sheath 201 and the pin 104 approach each other and move along the length direction of the positioning hole 103 until the outer wall of the other sheath 201 contacts the inner wall of the arc surface of the positioning hole 103, and the pin 104 is wrapped by the two sheaths 201 in its circumferential direction, and the outer wall of the pin 104 contacts the inner wall of the sheath 201.

[0040] The sheath 201 and the pin 104 are sequentially inserted into the positioning hole 103. The telescopic end of the telescopic component 202 pushes one of the sheaths 201, causing the sheath 201 and the pin 104 to move closer to each other and along the length of the positioning hole 103 until the outer wall of the other sheath 201 contacts the inner arc surface of the positioning hole 103. The pin 104 is wrapped by the two sheaths 201 in its circumferential direction, and the outer wall of the pin 104 contacts the inner wall of the sheath 201, thus completing the installation of the pin 104. The two sheaths 201 ensure that the pin 104 is positioned in the positioning holes 103 on the two adjacent hinge beams 102. The installation of the pin 104 is convenient and easy to operate. In addition, the contact between the pin 104 and the sleeve 201, and between the sleeve 201 and the arc surface of the positioning hole 103, are all surface contacts, which increases the force-bearing area of ​​the pin 104, reduces the possibility of contact stress concentration, thereby reducing the degree of local deformation and wear of the pin 104 and ensuring long-term reliability.

[0041] The positioning hole 103 has a rounded rectangular or racetrack-shaped cross-section, including two sides along its length and two convex arc surfaces along its width. The working cylinder 101 has a piston 107. The length direction of the positioning hole 103 forms a 45° angle with the extension trajectory of the piston 107, and the positioning hole 103 gradually moves away from the working cylinder 101 to its piston 107. All positioning holes 103 have the same length dimension. Furthermore, the extension trajectory of the telescopic end is parallel to the length direction of the positioning hole 103 and passes through the center of the two arc surfaces of the positioning hole 103. The telescopic end of the telescopic member 202 applies a thrust to the middle of one of the sheaths 201, causing the sheath 201 and the pin 104 to move closer together and along the length direction of the positioning hole 103. The telescopic member 202 can be a hydraulic structure; its specific structure and working principle are existing technologies and will not be described in detail here.

[0042] It is understandable that the diameter of the pin 104 is smaller than the diameter and length of the positioning hole 103. Therefore, after installing the two sheaths 201 into the positioning hole 103, the pin 104 can be easily inserted into the positioning hole 103, thus achieving convenient installation of the pin 104 and easy operation. It is also worth noting that during installation, the opposing hinge beams 102 on two adjacent working cylinders 101 are interlocked, the positioning holes 103 are aligned, and the telescopic end of the telescopic component 202 is in the retracted state. The two sheaths 201 are then installed into the positioning hole 103, with their openings facing each other. The two sheaths 201 are spaced apart along the length of the positioning hole 103, and the spacing should ensure easy insertion of the pin 104. Preferably, the two sheaths 201 can be located at opposite ends along the length of the positioning hole 103. Then, the telescopic component 202 can be controlled to extend its telescopic end and push one of the sheaths 201 until the installation of the pin 104 is completed.

[0043] In one embodiment, the diameter of the inner wall of the sheath 201 is smaller than the diameter of the pin 104. The sheath 201 is made of an elastic material. When the pin 104 is wrapped by two sheaths 201 in its circumferential direction, the diameter of the inner wall of the sheath 201 is equal to the diameter of the pin 104.

[0044] The sheath 201 is made of a flexible metal material. Before being inserted into the positioning hole 103, i.e., under normal conditions, the diameter of the inner wall of the sheath 201 is smaller than the diameter of the pin 104, and the opening of the sheath 201 is relatively small. When the telescopic component 202 pushes one of the sheaths 201, the opening of the sheath 201 gradually increases. After the pin 104 is installed, the pin 104 is wrapped by the two sheaths 201 in its circumferential direction. When the equipment is working, under the elastic force of the sheaths 201, the outer wall of the pin 104 maintains sufficient surface contact with the inner wall of the sheaths 201, and the force-bearing area of ​​the pin 104 is always large.

[0045] In one embodiment, the thickness of the sheath 201 gradually increases from the middle to both ends in its circumferential direction, and the diameter of the outer wall of the sheath 201 is greater than the arc diameter of the positioning hole 103; when the pin 104 is wrapped by two sheaths 201 in its circumferential direction, the difference in thickness between the end and the middle of the sheath 201 in its circumferential direction decreases, and the diameter of the outer wall of the sheath 201 is equal to the arc diameter of the positioning hole 103.

[0046] Before being inserted into the positioning hole 103, under normal conditions, the thickness of the sheath 201 gradually increases from the middle to both ends in its circumferential direction, and the diameter of the outer wall of the sheath 201 is larger than the arc diameter of the positioning hole 103. When the pin 104 is wrapped by two sheaths 201 in its circumferential direction, the thickness difference between the ends and the middle of the sheaths 201 in its circumferential direction decreases, but a thickness difference still exists. The other sheath 201 generates a pressing elastic force on the arc inner wall of the positioning hole 103, and the diameter of the outer wall of the sheath 201 is equal to the arc diameter of the positioning hole 103, thus ensuring sufficient surface contact between the outer wall of the other sheath 201 and the arc inner wall of the positioning hole 103. In addition, the other sheath 201 generates a pressing elastic force on the outer wall of the pin 104, ensuring sufficient surface contact between the inner wall of the other sheath 201 and the outer wall of the pin 104, thereby further ensuring a larger force-bearing area for the pin 104.

[0047] It is worth noting that before and after the pin 104 is installed, the thickness of the end of the sleeve 201 in the circumferential direction can change relative to its middle thickness, thereby altering the thickness difference between the end and middle of the sleeve 201 in the circumferential direction. Furthermore, after the pin 104 is installed, the thickness difference between the end and middle of the sleeve 201 in the circumferential direction decreases, making the thickness of the end and middle of the sleeve 201 nearly uniform. At this point, the outer wall of the other sleeve 201 and the arc-shaped inner wall of the positioning hole 103 have an interference fit relationship similar to that between a shaft and a hole.

[0048] In one embodiment, see Figure 5 , Figure 6 and Figure 10 The sheath 201 has a gap 203 gradually formed from the end to the middle in its circumferential direction, so that the sheath 201 forms an inner plate 204 and an outer plate 205 at both ends in its circumferential direction; when subjected to compressive force, the inner plate 204 and the outer plate 205 move closer to each other, and when the compressive force is removed, the inner plate 204 and the outer plate 205 move further apart, so as to change the thickness difference between the end and the middle of the sheath 201 in its circumferential direction.

[0049] The sheath 201 gradually branches from the middle to both ends in its circumferential direction, forming a gap 203. Since the sheath 201 is made of elastic material, the inner plate 204 and the outer plate 205 can move closer or further away from each other to change the thickness difference between the ends and the middle of the sheath 201 in its circumferential direction. The structure is simple and can ensure that the outer wall of the other sheath 201 and the arc-shaped inner wall of the positioning hole 103 maintain sufficient surface contact.

[0050] The sum of the thicknesses of the inner plate 204 and the outer plate 205 is always slightly greater than the thickness of the sheath 201 in the circumferential direction at its center, so that after the pin 104 is installed, the outer wall of the other sheath 201 maintains sufficient surface contact with the arc-shaped inner wall of the positioning hole 103.

[0051] In other embodiments, a telescopic mechanism may be provided within the gap 203. The telescopic mechanism may be a hydraulic structure to change the magnitude of the top pressure elastic force generated by the other sheath 201 on the inner wall of the arc surface of the positioning hole 103.

[0052] In one embodiment, the inner wall of the inner plate 204 is provided with a contact member 206. When the outer wall of the pin 104 is in contact with the inner wall of the sleeve 201, it is in a first state. When the sleeve 201 and the pin 104 approach each other to the first state, or when the sleeve 201 and the pin 104 move away from each other from the first state, the contact members 206 at both ends of the sleeve 201 respectively prevent and allow the pin 104 to rotate circumferentially, so that the pin 104 rotates circumferentially.

[0053] The extension and retraction of the telescopic component 202 can be controlled periodically as needed. When the telescopic component 202 extends, one of the sheaths 201 is pushed, causing the pin 104 to move into the sheath 201, that is, the sheath 201 and the pin 104 approach each other until the outer wall of the pin 104 contacts the inner wall of the sheath 201. During this process, the contact pieces 206 at both ends of the sheath 201 respectively hinder and allow the pin 104 to rotate circumferentially, so that the pin 104 can rotate circumferentially. When the telescopic component 202 extends, the retraction of the telescopic component 202 can be controlled periodically. When the telescopic end of 02 retracts, the sheath 201, under its own elasticity, causes the pin 104 to move out of the sheath 201, that is, the sheath 201 and the pin 104 move away from each other. During this process, the contact parts 206 at both ends of the sheath 201 respectively hinder and allow the pin 104 to rotate in its circumference, so that the pin 104 can rotate in its circumference. Thus, without disassembling the pin 104, the pin 104 can be rotated at a certain angle periodically, so that the pin 104 can be deformed and worn more evenly in its circumference.

[0054] In one embodiment, the contact 206 consists of a plurality of ratchet teeth evenly spaced along the circumference of the sleeve 201. The ratchet teeth are made of an elastic material and are oriented in the same direction along the circumference of the sleeve 201.

[0055] Compared to the first state when the outer wall of the pin 104 is in contact with the inner wall of the sleeve 201, as the sleeve 201 and the pin 104 move closer or further apart, the ratchet teeth at both ends of the sleeve 201 move in the direction of the pin 104 and in the direction of its movement, respectively, thereby hindering and allowing the pin 104 to rotate circumferentially.

[0056] The ratchet teeth can be made of rubber, and the tips of the ratchet teeth protrude inward from the inner wall of the inner plate 204 to first contact the outer wall of the pin 104. Furthermore, the two sheaths 201 have identical structures and are spliced ​​together during use. Therefore, for either sheath 201, the direction in which the pin 104 rotates circumferentially is the same. For example, when the sheaths 201 and the pin 104 move away from each other from their first state, i.e., during the separation of the two joined sheaths 201, the direction of rotation is... Figures 10 to 5 For the lower left sheath 201, it pushes the pin 104 to the upper right. The ratchet at the upper left prevents the pin 104 from rotating counterclockwise, while the ratchet at the lower right allows the pin 104 to rotate counterclockwise, thus causing the pin 104 to rotate counterclockwise. For the upper right sheath 201, it pushes the pin 104 to the lower left. The ratchet at the lower right prevents the pin 104 from rotating counterclockwise, while the ratchet at the upper left allows the pin 104 to rotate counterclockwise, thus causing the pin 104 to rotate counterclockwise. Therefore, the pin 104 eventually rotates counterclockwise. When the sheath 201 and the pin 104 approach each other to the first state, that is, during the process of the two separate sheaths 201 merging, by Figures 5 to 10 The principle is the same as above, and pin 104 also rotates counterclockwise.

[0057] In this embodiment, the two sheaths 201 are provided with a total of 4 contact elements 206, i.e., 4 sets of ratchet teeth. In other embodiments not shown, two sets of ratchet teeth may be provided. After the pin 104 is installed, the two sheaths 201 are merged and wrap around the pin 104. Each set of ratchet teeth is located at one end of the sheath 201, and the two sets of ratchet teeth are symmetrically arranged about the axis of the pin 104. Each set of ratchet teeth hinders the pin 104 from rotating around its circumference, thereby allowing the pin 104 to rotate around its circumference.

[0058] In one embodiment, the difference in the number of opposing hinge beams 102 on two adjacent working cylinders 101 is 1. In the two adjacent hinge beams 102 through which a single pin 104 passes, two telescopic members 202 are located at both ends of the length direction of their respective positioning holes 103. The extension directions of the telescopic ends of the two telescopic members 202 are opposite, so as to push the two sheaths 201 respectively and bring the sheaths 201 and the pin 104 closer to each other.

[0059] The opposing hinge beams 102 on two adjacent working cylinders 101 are interlocked, with fewer hinge beams 102 located inside more hinge beams 102 to balance the radial force on the pin 104. In the two adjacent hinge beams 102 through which a single pin 104 passes, two telescopic members 202 are positioned opposite each other, with their telescopic ends extending in opposite directions to push the two sheaths 201 and bring the sheaths 201 closer to the pin 104 until the pin 104 is installed.

[0060] Specifically, for a working cylinder 101, hinge beams 102 are provided on all four sides, and the difference in the number of hinge beams 102 between adjacent sides is 1. For example, the number of hinge beams 102 between adjacent sides is 1 and 2, 2 and 3, or 3 and 4, etc., preferably 2 and 3, and this application does not limit this. For two adjacent working cylinders 101, the two hinge beams 102 of one working cylinder 101 are inserted between the three hinge beams 102 of the other working cylinder 101.

[0061] Understandably, initially, in the two adjacent hinge beams 102 through which a single pin 104 passes, the two positioning holes 103 are aligned, and the extension directions of the extension ends of the two telescopic members 202 are opposite, so as to push the two sheaths 201 respectively and bring the sheaths 201 and pin 104 closer to each other. Figure 3 and Figure 4 For example, regarding the pin 104 in the upper left corner, Figure 3 The telescopic component 202 is located to the upper right of the positioning hole 103. The telescopic end of the telescopic component 202 pushes the sheath 201 located to the upper right to the lower left. Figure 4 The telescopic component 202 is located to the lower left of the positioning hole 103. The telescopic end of the telescopic component 202 pushes the sheath 201 located to the upper right. After the pin 104 is installed, the pin 104 is wrapped by two sheaths 201 in its circumferential direction, and the outer wall of the pin 104 contacts the inner wall of the sheath 201. Figure 8 and Figure 9 Similarly, for the pin 104 in the upper left corner, Figure 8 The outer wall of the sheath 201, located in the lower left corner, contacts the inner wall of the arc surface in the lower left corner of the positioning hole 103. Figure 9 The outer wall of the sheath 201, located at the upper right, contacts the inner arc surface of the positioning hole 103 at the upper right. Furthermore, during the process of the telescopic end of the aforementioned telescopic member 202 pushing the sheath 201, adjacent hinge beams 102 are moved away from each other by the reaction force of their respective telescopic members 202, and the direction of movement is the length direction of the positioning hole 103. Therefore, after the installation of the pin 104 is completed, in the two adjacent hinge beams 102 through which a single pin 104 passes, the two positioning holes 103 are misaligned in their length direction, such as... Figure 8 and Figure 9Similarly, for the pin 104 in the upper left corner, Figure 8 The telescopic component 202 in the middle causes the hinge beam 102 at the upper right to move to the upper right. Figure 9 The telescopic component 202 in the middle causes the hinge beam 102 on the lower left to move to the lower left. In other words, the six working cylinders 101 are moved away from each other by a distance relative to the center point, but are still in a stable state.

[0062] In one embodiment, the central angle corresponding to the sheath 201 is 180°.

[0063] When the pin 104 is wrapped by two sleeves 201 in its circumferential direction, the two sleeves 201 form a complete circular structure, which further increases the force-bearing area of ​​the pin 104. When one of the sleeves 201 is pushed by the telescopic end of the telescopic member 202, the sleeve 201 can be corrected after the other sleeve 201 rotates.

[0064] In one embodiment, one end of the pin 104 is provided with an end seat, the other end of the pin 104 passes through the hinge beam 102 and is fitted with a baffle 105, and the other end of the pin 104 is also provided with a pin 106, which is used to limit the position of the baffle 105 on the pin 104.

[0065] The total thickness of the hinge beams 102 that are interlocked on two adjacent working cylinders 101 is the first value. The lengths of the two sheaths 201 are equal and both are less than or equal to the first value. The length of the pin 104 is greater than the first value, so that the end seat and the baffle 105 are located outside the positioning hole 103, and the pin 104 has axial limiting capability.

[0066] The present invention also provides an easy-to-operate six-sided top press, including a pressurizing system and a heating system. The pressurizing system is used to supply high-pressure oil to the working cylinder 101, and the heating system is used to generate high temperature. The working cylinder 101 has a piston 107, and the end of the piston 107 is provided with a top hammer, which is used to transmit the pressure of the piston 107.

[0067] In the easily operable six-sided top press of this application, the top hammer is made of hard alloy material and is the core component that directly transmits high pressure. The pressure cylinder (or steel ring) matched with the top hammer is used to accommodate and support the top hammer, together forming the pressure-resistant structure of the ultra-high pressure device. The pressurization system includes a high-pressure pump, a booster, an oil tank, and a complex oil circuit system, used to accurately supply high-pressure oil to each working cylinder 101; the electrical control system is responsible for coordinating the synchronous movement and pressure control of the six working cylinders 101. The heating system consists of a high-current transformer, conductive devices (such as conductive steel cups, copper busbars), etc., used to pass low voltage and high current to the compressed cavity material (such as pyrophyllite), utilizing its own resistance to generate high temperature. The specific structural composition and working principle of the six-sided top press are existing technologies, and this application will not elaborate on them.

[0068] The working principle of this invention is as follows:

[0069] Connect the opposing hinge beams 102 on two adjacent working cylinders 101, align the positioning holes 103, and ensure that the telescopic ends of the telescopic components 202 are in the retracted state. Install the two protective sleeves 201 into the positioning holes 103, with the openings of the two protective sleeves 201 facing each other. The two protective sleeves 201 are spaced apart along the length of the positioning holes 103. Insert the pin 104 into the positioning holes 103, with the pin 104 located between the two protective sleeves 201.

[0070] Then, the telescopic component 202 is controlled to extend, pushing one of the protective sleeves 201. This causes the protective sleeve 201 to approach the pin 104 and move along the length of the positioning hole 103 until the outer wall of the other protective sleeve 201 contacts the inner arc surface of the positioning hole 103. The pin 104 is then encased in both protective sleeves 201 in its circumferential direction, with its outer wall contacting the inner wall of the protective sleeve 201. This completes the installation of the pin 104 and ensures its positioning in the positioning holes 103 on the two adjacent hinge beams 102 through the two protective sleeves 201. The installation of the pin 104 is convenient and easy to operate. Furthermore, the contact between the pin 104 and the protective sleeve 201, and between the protective sleeve 201 and the arc surface of the positioning hole 103, is surface contact. This increases the stress-bearing area of ​​the pin 104, reduces the possibility of stress concentration, and thus reduces local deformation and wear of the pin 104, ensuring long-term reliability.

[0071] Under normal conditions, the diameter of the inner wall of the sheath 201 is smaller than the diameter of the pin 104, and the opening of the sheath 201 is relatively small. When the telescopic component 202 pushes one of the sheaths 201, the opening of the sheath 201 gradually increases. After the pin 104 is installed, the pin 104 is wrapped by the two sheaths 201 in its circumferential direction. When the equipment is working, under the elastic force of the sheaths 201, the outer wall of the pin 104 and the inner wall of the sheath 201 maintain sufficient surface contact, and the force-bearing area of ​​the pin 104 is always large. Under normal conditions, the thickness of the sheath 201 gradually increases from the middle to both ends in its circumferential direction, and the diameter of the outer wall of the sheath 201 is larger than the arc diameter of the positioning hole 103. When the pin 104 is wrapped by two sheaths 201 in its circumferential direction, the thickness difference between the ends and the middle of the sheath 201 in its circumferential direction decreases, but a thickness difference still exists. The other sheath 201 generates a pressing elastic force on the arc inner wall of the positioning hole 103, and the diameter of the outer wall of the sheath 201 is equal to the arc diameter of the positioning hole 103, thus ensuring sufficient surface contact between the outer wall of the other sheath 201 and the arc inner wall of the positioning hole 103. In addition, the other sheath 201 generates a pressing elastic force on the outer wall of the pin 104, ensuring sufficient surface contact between the inner wall of the other sheath 201 and the outer wall of the pin 104, thereby further ensuring a large force-bearing area for the pin 104.

[0072] The telescopic end of the telescopic component 202 can be extended and retracted periodically as needed, so that the sleeve 201 and the pin 104 are close to each other to the first state, or the sleeve 201 and the pin 104 are far apart from each other from the first state. The contact parts 206 at both ends of the sleeve 201 respectively hinder and allow the pin 104 to rotate in its circumference, so that the pin 104 can rotate in its circumference. Thus, without disassembling the pin 104, the pin 104 can be rotated at a certain angle periodically, so that the pin 104 is more evenly deformed and worn in its circumference.

[0073] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. An accessory for an easy-to-operate six-sided top press, characterized in that: The device includes six working cylinders located on the six surfaces of a regular hexahedron. A hinge beam is formed on the side of each working cylinder near its adjacent working cylinder. A rectangular positioning hole is formed on the hinge beam. The length direction of the positioning hole is parallel to the line connecting two adjacent working cylinders. Both ends of the positioning hole in the length direction have outwardly convex arc surfaces. A pin and two arc-shaped protective sleeves are detachably inserted into the positioning hole. The two protective sleeves have equal diameters and corresponding central angles. The hinge beam is provided with a telescopic component, which has a telescopic end. The sheath and the pin are sequentially inserted into the positioning hole. The telescopic end of the telescopic component pushes one of the sheaths, causing the sheath and the pin to move closer to each other and along the length direction of the positioning hole until the outer wall of the other sheath contacts the arc-shaped inner wall of the positioning hole, and the pin is wrapped by the two sheaths in its circumferential direction, with the outer wall of the pin contacting the inner wall of the sheath. The diameter of the inner wall of the sheath is smaller than the diameter of the pin. The sheath is made of elastic material. When the pin is wrapped by two sheaths in its circumferential direction, the diameter of the inner wall of the sheath is equal to the diameter of the pin. The thickness of the sheath gradually increases from the middle to both ends in its circumferential direction, and the diameter of the outer wall of the sheath is larger than the arc diameter of the positioning hole. When the pin is wrapped by two sheaths in its circumferential direction, the difference in thickness between the end and the middle of the sheath in its circumferential direction decreases, and the diameter of the outer wall of the sheath is equal to the arc diameter of the positioning hole. The telescopic trajectory of the telescopic end is parallel to the length direction of the positioning hole and passes through the center of the two arc surfaces of the positioning hole; the telescopic end of the telescopic component applies a thrust to the middle of one of the sheaths, thereby causing the sheath and the pin to move closer to each other and along the length direction of the positioning hole.

2. The accessory for the easy-to-operate six-sided top press according to claim 1, characterized in that, The sheath has a slit gradually formed from the end to the middle in its circumferential direction, so that the sheath forms an inner plate and an outer plate at both ends in its circumferential direction; when subjected to compressive force, the inner plate and the outer plate move closer to each other, and when the compressive force is removed, the inner plate and the outer plate move further apart, so as to change the thickness difference between the end and the middle of the sheath in its circumferential direction.

3. The accessory for the easy-to-operate six-sided top press according to claim 2, characterized in that, The inner wall of the inner plate is provided with a contact element. When the outer wall of the pin is in contact with the inner wall of the sleeve, it is in the first state. When the sleeve and the pin approach each other to the first state, or when the sleeve and the pin move away from each other from the first state, the contact elements at both ends of the sleeve respectively hinder and allow the pin to rotate around its circumference, so that the pin can rotate around its circumference.

4. The accessory for the easy-to-operate six-sided top press according to claim 3, characterized in that, The contact element consists of a plurality of ratchet teeth evenly spaced along the circumference of the sheath. The ratchet teeth are made of an elastic material and are oriented in the same direction along the circumference of the sheath.

5. The accessory for the easy-to-operate six-sided top press according to claim 1, characterized in that, The difference in the number of the opposing hinge beams on two adjacent working cylinders is 1. In the two adjacent hinge beams through which a single pin passes, the two telescopic members are located at both ends of the length direction of their respective positioning holes. The extension directions of the telescopic ends of the two telescopic members are opposite, so as to push the two sheaths and bring the sheaths and the pins closer to each other.

6. The accessory for the easy-to-operate six-sided top press according to claim 1, characterized in that, The central angle corresponding to the sheath is 180°.

7. The accessory for the easy-to-operate six-sided top press according to claim 1, characterized in that, One end of the pin is provided with an end seat, the other end of the pin passes through the hinge beam and is fitted with a baffle, and the other end of the pin is also provided with a pin, which is used to limit the position of the baffle on the pin.

8. An easy-to-operate six-sided jacking press, employing the accessories of the easy-to-operate six-sided jacking press according to any one of claims 1 to 7, characterized in that, It includes a pressurization system and a heating system. The pressurization system is used to supply high-pressure oil to the working cylinder, and the heating system is used to generate high temperature. The working cylinder has a piston, and the end of the piston is provided with a top hammer, which is used to transmit the pressure of the piston.

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