Horizontal conical piercing mill

Abstract

The utility model discloses a horizontal conical perforating machine, include: rack device, roll device and rack positioning pin device. Through setting on locking cylinder on the top of left and right roll assembly realizes longitudinal stable locking, realizes horizontal stable locking through pressing down screw rod, nut and roll box side locking cylinder, realizes up and down rack stable locking through rack positioning pin and air cylinder. The whole process does not need to rely on manual knocking, wrench fastening etc. manual operation mode, has excluded the problem of low stability of poor accuracy caused by manual operation process. The utility model has the performance advantages such as high efficiency and stability, ensures the locking stability of perforating machine, and realizes the process full -automatic high efficiency safety again.

Description

Technical Field

[0001] This utility model relates to the technical field of seamless steel pipe production equipment, and in particular to a horizontal conical piercing machine. Background Technology

[0002] With the expansion of seamless steel pipe applications, higher requirements are being placed on their variety, performance, and quality. The production process of seamless steel pipe mainly includes three deformation processes: piercing, continuous rolling, and sizing. Among these, piercing is the first major deformation process. If the resulting tube has quality defects, it will affect the quality of the subsequent finished pipe. In the piercing process, the most important factor affecting the quality of the tube is the stability of the locking mechanism of the various components of the piercing machine.

[0003] However, the adjustment and locking parts of the existing horizontal conical perforating machine still rely on manual operation methods such as tapping and wrench tightening for adjustment and fixation. This method has the following problems: First, the accuracy and stability of operation are difficult to guarantee, and deviations or unstable locking are prone to occur; second, the labor intensity of workers is high, which affects production efficiency. Utility Model Content

[0004] Technical problems to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, this utility model provides a horizontal conical piercing machine, which solves the technical problem of difficulty in ensuring the accuracy and stability of the piercing machine, and solves the technical problem of high labor intensity and reduced production efficiency during the locking process of the piercing machine.

[0006] Technical solution

[0007] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0008] The frame assembly, the roll assembly, and the frame positioning pin assembly;

[0009] The rack assembly includes a lower rack and an upper rack; the upper rack is located on top of the lower rack and can be flipped relative to the lower rack to achieve opening and closing between the upper rack and the lower rack;

[0010] The rolling mill assembly includes a left rolling mill assembly, a right rolling mill assembly, a clamping mechanism, and an adjusting and locking mechanism; both the left and right rolling mill assemblies are mounted on the lower frame; each of the left and right rolling mill assemblies is connected to an adjusting and locking mechanism to enable the left and right rolling mill assemblies to move along the lower frame and be locked in place; the tops of the left and right rolling mill assemblies are pressed against the bottom of the upper frame by the clamping mechanism.

[0011] The frame positioning pin device includes a frame positioning pin and a cylinder; the frame positioning pin is located at the telescopic end of the cylinder so that it can be inserted into the locking hole formed between the lower frame and the upper frame during use to complete the locking and positioning between the lower frame and the upper frame.

[0012] Furthermore, the clamping mechanism is an upper locking cylinder installed on the top of the left roll assembly and the right roll assembly.

[0013] Furthermore, the left roll assembly includes a left roll box and a left roll assembly disposed within the left roll box; the right roll assembly includes a right roll box and a right roll assembly disposed within the right roll box; the upper locking cylinder includes two left roll upper locking cylinders and two right roll upper locking cylinders; the two left roll upper locking cylinders are disposed at the top of the left roll assembly; the two right roll upper locking cylinders are disposed at the top of the right roll assembly.

[0014] Furthermore, the frame assembly also includes a lower frame slide plate, an upper frame slide plate, and an upper frame tilting mechanism; there are two sets of lower frame slide plates, both of which are mounted on the lower frame, and the two sets of lower frame slide plates are used to support the left roll box and the right roll box respectively; there are two sets of upper frame slide plates, both of which are mounted at the bottom of the upper frame, and the two sets of upper frame slide plates correspond to the left roll assembly and the right roll assembly respectively, for the upper locking cylinder to press against; the upper frame tilting mechanism connects the lower frame and the upper frame, realizing the tilting of the upper frame relative to the lower frame.

[0015] Furthermore, the upper frame tilting mechanism includes an upper frame tilting cylinder, an upper frame tilting cylinder mounting base, and an upper frame tilting hinge base; the upper frame tilting cylinder mounting base is fixed on the upper end face of the upper frame; the cylinder body of the upper frame tilting cylinder is fixed to the upper frame tilting cylinder mounting base; the telescopic end of the upper frame tilting cylinder is hinged to the upper frame tilting hinge base set on the lower frame.

[0016] Furthermore, the adjusting locking mechanism includes a pressing screw, a nut, and a roll box-side locking cylinder; the nut is fixedly connected to the lower frame; the pressing screw is threadedly engaged with the nut; the telescopic ends of the pressing screw and the roll box-side locking cylinder are both connected to the roll assembly; the non-telescopic end of the pressing screw is connected to the adjusting drive structure.

[0017] Furthermore, the cylinder is fixedly connected to the lower frame via a cylinder support; a locking plate is provided on the lower frame, and a locking plate hole is provided on the locking plate; a locking tongue is provided on the upper frame, and a locking tongue hole is provided on the locking tongue; when the upper frame and the lower frame are engaged, the locking tongue hole corresponds to the locking plate hole and together form a cylindrical locking hole for the frame positioning pin to be inserted; the frame positioning pin has a structure that conforms to the shape of the inner wall of the locking hole.

[0018] Furthermore, the frame positioning pin includes a positioning pin body and a sliding pad; the positioning pin body is a frustum structure, and T-shaped grooves are evenly distributed on the circumferential side of the positioning pin body, with the T-shaped grooves opening along the generatrix direction of the frustum structure; at least two T-shaped grooves are opened; the outer wall of the sliding pad is an arc-shaped structure adapted to the inner wall of the lock hole, used to press against the inner wall of the lock hole, and the inner wall of the sliding pad is an inclined surface consistent with the generatrix direction of the frustum structure, with a T-shaped slider that inserts into the T-shaped groove and can move along the T-shaped groove on the inclined surface.

[0019] Furthermore, a limiting baffle is provided at the front end of the lock hole, which allows the front end of the sliding pad to press against the sliding pad, enabling the sliding pad to move along the T-shaped groove until the outer wall of the sliding pad presses against the inner wall of the lock hole to complete the locking.

[0020] Furthermore, a reset spring is provided at the rear end of the T-shaped slide groove to press the sliding pad forward and reset it.

[0021] Beneficial effects

[0022] The beneficial effects of this utility model are as follows: This utility model provides a horizontal conical piercing machine, including a frame assembly, a roll assembly, and a frame positioning pin assembly. This utility model uses the frame positioning pin assembly to lock the lower and upper frames of the frame assembly. The frame positioning pin assembly includes a frame positioning pin and a cylinder. The frame positioning pin is located at the telescopic end of the cylinder. During use, the extension of the cylinder drives the frame positioning pin into the locking hole formed between the lower and upper frames, completing the locking and positioning between the lower and upper frames. The entire process is completed by the extension and retraction of the cylinder, eliminating the need for manual hammering or wrench tightening, thus greatly saving manpower. Furthermore, because the cylinder can control the trajectory and extension / retraction amount, its accuracy is greatly improved. Also, because the cylinder is controlled by air pressure, the frame positioning pin is less likely to come out or move after locking, improving the stability of the locking. Moreover, the entire locking and unlocking process can be achieved with a simple extension and retraction, greatly improving production efficiency.

[0023] Furthermore, to further improve locking stability, this invention makes further improvements to the frame positioning pin, namely, the frame positioning pin includes a positioning pin body and sliding washers. The positioning pin body has a frustum structure, and there are at least two sliding washers that can move along the generatrix direction of the positioning pin body with the frustum structure. The outer wall of the sliding washers has an arc-shaped structure that conforms to the inner wall of the lock hole, while the inner wall is an inclined surface consistent with the generatrix direction of the frustum structure. At the same time, a limiting baffle is provided at the front end of the lock hole. In use, the frame positioning pin is inserted into the lock hole via a cylinder. At this time, a gap is left between the outer wall of the sliding pad and the inner wall of the lock hole to avoid friction between the sliding pad and the inner wall of the lock hole, so as to facilitate the quick insertion of the frame positioning pin into the lock hole. When the front end of the sliding pad is blocked by the limiting baffle, the sliding pad stops moving. At this time, as the positioning pin body continues to move, multiple sliding pads are gradually expanded until the outer walls of multiple sliding pads press against the inner wall of the lock hole, completing the expansion-type locking. The locking force can be controlled by the extension and retraction of the cylinder. This locking method can achieve a good seamless fit between the lock hole and the sliding pad, greatly improving the stability of the locking. Furthermore, through the two-part structural design of the positioning pin body and the sliding pad, the frame positioning pin achieves zero resistance when it is inserted into the lock hole, greatly improving the locking efficiency and the smoothness of operation. At the same time, it can reduce the fitting accuracy between the lock hole and the frame positioning pin, lower the production process standards, and thus reduce production costs. It can also improve the compatibility between the frame positioning pin and the lock hole.

[0024] Furthermore, a reset spring can be installed at the rear end of the sliding pad to help the sliding pad reset when the frame positioning pin is pulled out of the lock hole, so that the sliding pad leaves the inner wall of the lock hole and can quickly complete the unlocking action.

[0025] In addition, this utility model uses an upper locking cylinder as the locking mechanism for the left and right roll assemblies in the longitudinal locking roll device, which frees up manpower and improves accuracy and stability.

[0026] Furthermore, this invention achieves lateral stable locking of the left and right roll assemblies in the locking roll device by pressing down the screw, nut, and side locking cylinder of the roll box, thereby further improving the locking stability.

[0027] In summary, by adopting the structure of this utility model, there is no need to rely on manual operation methods such as manual hammering and wrench tightening during the entire operation process. This effectively solves the problems of high labor intensity, reduced production efficiency, poor accuracy, and low stability caused by manual operation. This utility model has excellent accuracy and higher stability. Attached Figure Description

[0028] Figure 1 This is a schematic structural diagram of the horizontal conical perforating machine of this utility model;

[0029] Figure 2 This is a schematic structural diagram of the frame device of this utility model;

[0030] Figure 3 This is a left view of the frame device of this utility model in its closed state;

[0031] Figure 4 Left view of the adjustment drive device and frame device of this utility model in the open state;

[0032] Figure 5 This is a cross-sectional view of the frame assembly of this utility model;

[0033] Figure 6 This is a partial schematic diagram of the upper frame sliding plate of this utility model;

[0034] Figure 7 This is a schematic diagram of the roll assembly, roll box, and upper and lower locking mechanism of this utility model.

[0035] Figure 8 This is a schematic structural diagram of the roll and frame locking device of this utility model;

[0036] Figure 9 This is a top view of the roll and frame locking device of this utility model;

[0037] Figure 10 This is a partial schematic diagram of the pressing screw and pressure plate of the rolling mill and frame locking device of this utility model;

[0038] Figure 11 This is a partial schematic diagram of the nut and nut pressure plate of this utility model;

[0039] Figure 12 This is a schematic structural diagram of the automatic insertion and removal device for the frame positioning pins of this utility model;

[0040] Figure 13 This is a schematic structural diagram of the frame positioning pin of this utility model;

[0041] Figure 14 This is a schematic structural diagram of the frame positioning pin assembly of this utility model.

[0042] Figure 15 This is a schematic structural diagram of the rubber sliding pad of this utility model;

[0043] Figure 16 This is a schematic structural diagram of an embodiment of the positioning pin of this utility model;

[0044] Figure 17 This is a left view of an embodiment of the positioning pin of this utility model;

[0045] Figure 18This is a partial schematic structural diagram of the keyhole of this utility model;

[0046] Figure 19 This is a schematic diagram showing the positioning pin of this utility model not inserted into the lock hole;

[0047] Figure 20 This is a cross-sectional view of the positioning pin of this utility model not inserted into the lock hole;

[0048] Figure 21 This is a schematic diagram of the positioning pin inserted into the lock hole according to this utility model.

[0049] Explanation of reference numerals in the attached figures:

[0050] 100: Frame assembly; 200: Roll assembly; 300: Frame positioning pin assembly;

[0051] 101: Lower frame; 102: Lower frame slide plate; 103: Upper frame slide plate; 104: Upper frame; 105: Upper frame tilt cylinder; 106: Upper frame tilt cylinder mounting base; 107: Upper frame tilt hinge base; 108: Lock hole; 109: Pin; 110: Bolt; 111: Slot hole;

[0052] 1011: Lock plate; 1041: Lock tongue; 1081: Lock plate hole; 1082: Lock tongue hole; 1083: Limiting baffle; 1012: Mounting boss; 1013: Base; 1014: Upright plate;

[0053] 201: Left roll assembly; 202: Right roll assembly; 203: Upper locking cylinder; 204: Spherical pad; 205: Pressing screw pressure plate; 206: Pressing screw; 207: Nut pressure plate; 208: Nut; 209: Reducer; 210: Coupling; 211: Hydraulic cylinder hinge seat; 212: Roll box side locking cylinder; 213: Pressing screw adjusting motor; 214: Guide groove; 215: Mounting plane; 216: Hydraulic cylinder seat; 217: Bellows;

[0054] 2011: Left roll box; 2012: Left roll assembly; 2021: Right roll box; 2022: Right roll assembly; 2031: Left roll upper locking cylinder; 2032: Right roll upper locking cylinder;

[0055] 301: Frame positioning pin; 302: Cylinder; 303: Locking component; 304: Mounting base; 305: Cylinder support; 306: Hose assembly and piping accessories; 307: Pneumatic solenoid valve; 308: Solenoid valve mounting plate;

[0056] 3011: Locating pin body; 3012: Sliding washer; 3013: Reset spring; 3014: T-shaped slide groove; 3015: T-shaped slider; 3016: Threaded hole; 3017: Mounting bolt; 3018: End cap; 30121: Stepped notch. Detailed Implementation

[0057] These embodiments are provided to make the disclosure thorough and complete, and to fully express the scope of the disclosure to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, material composition, numerical expressions, and values ​​set forth in these embodiments should be interpreted as exemplary only and not as limiting.

[0058] This utility model provides a horizontal conical piercing machine, including a frame assembly, a roll assembly, and a frame positioning pin assembly. The frame assembly includes a lower frame and an upper frame. The upper frame is located on top of the lower frame and can be rotated relative to the lower frame to achieve opening and closing between the upper and lower frames. The roll assembly includes a left roll assembly, a right roll assembly, a clamping mechanism, and an adjusting locking mechanism. Both the left and right roll assemblies are mounted on the lower frame. Each of the left and right roll assemblies is connected to an adjusting locking mechanism to allow the left and right roll assemblies to move along the lower frame and be locked in place. The tops of the left and right roll assemblies are pressed against the bottom of the upper frame by the clamping mechanism. The frame positioning pin assembly includes a frame positioning pin and a cylinder. The frame positioning pin is located at the telescopic end of the cylinder to extend into a locking hole formed between the lower and upper frames during use, completing the locking and positioning between the lower and upper frames. It effectively solves the problems of high labor intensity in the locking operation of existing technologies, which affects production efficiency and makes it difficult to guarantee accuracy and stability.

[0059] The embodiments of this disclosure will be further described in detail below with reference to the accompanying drawings and examples. The detailed description of the embodiments and the accompanying drawings are used to illustrate the principles of this disclosure by way of example, but should not be used to limit the scope of this disclosure. This disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0060] Example 1

[0061] refer to Figure 1 This embodiment discloses a horizontal conical piercing machine, which includes a frame device 100, a roll device 200, and a frame positioning pin device 300.

[0062] For details, please refer to Figures 1-4 , Figure 18 The rack assembly 100 includes a lower rack 101 and an upper rack 104, with the upper rack 104 located on top of the lower rack 101. The lower rack 101 can be, for example, Figure 1 The structure shown, namely the lower frame 101, includes a base 1013 and an upright plate 1014. The upright plate 1014 is disposed on both sides of the base 1013, so that the entire lower frame 101 forms a U-shaped structure.

[0063] The front end of the rack Figure 4 The right end shown is the locking end, which is the rear end of the upper frame. Figure 4 The left end shown is the hinge end. At the hinge end, the upper frame 104 and the lower frame 101 are hinged together by a pin 109, allowing the upper frame 104 to rotate relative to the lower frame 101 using the pin 109, thus enabling the opening and closing of the upper frame 104 and the lower frame 101. Furthermore, the pin 109 is located on the upright plate 1014. At the locking end, the lower frame 101 is provided with a locking plate 1011, which has a locking plate hole 1081. In this embodiment, two parallel locking plates 1011 are provided on each upright plate 1014. Correspondingly, the upper frame 104 is provided with a locking tongue 1041, which has a locking tongue hole 1082. In this embodiment, two locking tongues 1041 are also provided, each corresponding to a locking plate 1011 on one of the two upright plates 1014.

[0064] When the upper frame 104 is fastened onto the lower frame 101, each locking tongue 1041 is inserted between its corresponding two locking plates 1011, i.e., refer to Figure 1 and Figure 2 As shown, the left latch 1041 is inserted between the two lock plates 1011 on the left upright plate 1014, while the right latch 1041 is inserted between the two lock plates 1011 on the right upright plate 1014, thereby forming a coaxial connecting hole, i.e., lock hole 108, between the lock plate hole 1081 and the latch hole 1082. The locking hole 108 can be a cylindrical hole to allow the frame positioning pin 301 to extend into. The frame positioning pin 301 has a structure that conforms to the shape of the inner wall of the locking hole 108. To better achieve locking, the diameter of the frame positioning pin 301 can be adapted to the inner diameter of the locking hole 108, that is, the diameter of the frame positioning pin 301 is just enough to be inserted into the locking hole 108. Furthermore, when the frame positioning pin 301 is inserted into the locking hole 108, the outer wall of the frame positioning pin 301 can contact the inner wall of the locking hole 108, that is, the frame positioning pin 301 and the locking hole 108 have a contact fit. To facilitate the insertion of the frame positioning pin 301, lubricating oil, grease, or similar lubricating products can be applied to the outer wall of the frame positioning pin 301. After the frame positioning pin 301 is inserted into the locking hole 108, the locking and positioning between the lower frame 101 and the upper frame 104 is completed.

[0065] Further reference Figures 2-4To enable the automatic opening and closing of the upper rack 104, the rack assembly also includes an upper rack tilting mechanism. Two sets of the upper rack tilting mechanism can be provided, respectively located near the left and right edges of the rack assembly 100, i.e., refer to... Figure 2 The upper frame tilting mechanism specifically includes an upper frame tilting cylinder 105, an upper frame tilting cylinder mounting base 106, and an upper frame tilting hinge base 107. The upper frame tilting cylinder mounting base 106 can be installed on the upper end face of the upper frame 104. The cylinder body of the upper frame tilting cylinder 105 is locked to the upper frame tilting cylinder mounting base 106 by bolts 110, ensuring relative fixation between it and the upper frame 104; that is, the cylinder body of the upper frame tilting cylinder 105 does not translate or rotate relative to the upper frame 104. The telescopic rod of the upper frame tilting cylinder 105 passes through a pre-drilled slot 111 in the upper frame 104 and connects to the upper frame tilting hinge base 107 located on the lower frame. (Refer to...) Figure 3 When the upper frame 104 is engaged with the upper end of the lower frame 101, the horizontal angle α of the upper frame tilting cylinder 105 can be set to 70°. (Refer to...) Figure 4 When the upper rack 104 is in the fully open state, for example Figure 4 In the middle position (upper frame 104 is perpendicular to lower frame 101), the horizontal included angle β of the upper frame tilting cylinder 105 can be set to 151°. The selection of these two angles and the stroke of the upper frame tilting cylinder 105 are based on motion trajectory and mechanical analysis, which can improve the working efficiency of the upper frame tilting cylinder 105. Of course, for those skilled in the art, other angle settings can also be adopted according to analysis or needs, as long as the opening and closing between the upper frame 104 and the lower frame 101 can be completed.

[0066] Further reference Figure 1 , Figure 6-9 The roll and stand locking device 200 includes a left roll assembly 201, a right roll assembly 202, a clamping mechanism, and an adjusting locking mechanism. The left roll assembly 201 includes a left roll box 2011 and a left roll assembly 2012 installed in the left roll box 2011. The right roll assembly 202 includes a right roll box 2021 and a right roll assembly 2022 installed in the right roll box 2021. Because the specific structure of the roll assembly and its installation in the roll box is prior art, it will not be described in detail here. Further, refer to... Figure 2 , Figure 5 and Figure 6 The frame assembly also includes a lower frame slide plate 102 and an upper frame slide plate 103. There are two sets of both the lower frame slide plate 102 and the upper frame slide plate 103. The left roll assembly 201 corresponds to one set of lower frame slide plate 102 and one set of upper frame slide plate 103, and the right roll assembly 202 also corresponds to one set of lower frame slide plate 102 and one set of upper frame slide plate 103.

[0067] The upper surface of the base 1013 of the lower frame 101 is provided with two mounting bosses 1012, and a groove is formed on the mounting bosses 1012. Figure 5 The slots in the left and right directions serve as female positioning stops; the lower frame slide plate 102 has 4 pieces, symmetrically arranged on two mounting bosses 1012; the bottom of the lower frame slide plate 102 has a key that can cooperate with the slot of the mounting boss 1012 as a male mounting stop, which cooperates with the female opening on the mounting boss 1012 to achieve positioning, and then the lower frame slide plate 102 is fixedly installed to the lower frame 101 by bolts; the upper frame slide plate 103 also has 4 pieces, because the upper frame slide plate 103 needs to be stably abutted against the left roll upper locking cylinder 2031 and the right roll upper locking cylinder 2032, so 4 mounting slots of the same size as the upper frame slide plate 103 need to be horizontally and symmetrically opened on the lower bottom surface of the upper frame 104. The size of the upper frame slide plate 103 needs to meet the left and right travel range of the left roll assembly 201 and the right roll assembly 202. The upper frame slide plate 103 is installed in the mounting slots opened on the lower bottom surface of the upper frame 104 by bolts.

[0068] The bottom of both the left roll box 2011 and the right roll box 2021 is provided with guide grooves 214. The size of the guide grooves 214 is such that the roll boxes can be straddled on the lower frame slide 102 plate mounted on the mounting boss 1012, thereby limiting the movement of the roll boxes only along the length direction of the mounting boss 1012. The left roll box 2011 and the right roll box 2021 are placed on the lower frame slide 102. Each of the left roll box 2011 and the right roll box 2021 is connected to an adjusting locking mechanism to enable the left roll box 2011 and the right roll box 2021 to move along the lower frame 101 and be locked in place. The clamping mechanism presses the tops of the left roll assembly 2012 and the right roll assembly 2022 against the bottom of the upper frame 104 through the upper locking cylinder 203 to achieve the upper and lower locking function of the piercing machine.

[0069] For details, please refer to Figures 6-9 The clamping mechanism is an upper locking cylinder (203). Specifically, the upper locking cylinder (203) is divided into a left roll upper locking cylinder 2031 and a right roll upper locking cylinder 2032. The left roll upper locking cylinder 2031 is installed on the top of the left roll assembly 2012. Two left roll upper locking cylinders 2031 are installed at the front and rear ends of the left roll assembly 2012 in the axial direction. The right roll upper locking cylinder 2032 is installed on the top of the right roll assembly 2022. There are also two right roll upper locking cylinders 2032, which are installed at the front and rear ends of the right roll assembly 2022 in the axial direction.

[0070] Because this utility model is a horizontal conical piercing machine, the two rollers are assembled at a certain angle, i.e., referring to... Figure 7 As shown, the axial heights at the front and rear ends of each roll assembly are different. Therefore, to solve this problem, two methods can be adopted. Method 1: Two upper locking cylinders with different strokes can be selected, and one upper locking cylinder can be set at each of the front and rear ends of the axial direction of each roll assembly. Then, the height difference can be compensated by different strokes. Method 2: Upper locking cylinders with the same stroke can be used, but a cylinder seat 216 of different height can be set at the bottom of each upper locking cylinder. The height difference of the mounting seat can be used to compensate for the axial height difference of each roll assembly. That is, the height of the cylinder seat 216 is increased at the lower position and decreased at the higher position. This method can ensure that the clamping device can be stable, level, and tightened.

[0071] In this embodiment, a scheme of adding a cylinder seat 216 is adopted. A mounting plane 215 is set at the relatively higher end of the left roll assembly 2012. The mounting plane 215 must be parallel to the ground when the left roll assembly 2012 is installed in the left roll box 2011. Then, the left roll upper locking cylinder 2031 is connected to the mounting plane 215 by bolts or other means. A mounting plane 215 is also set at the relatively lower end of the left roll assembly 2012. This mounting plane 215 also meets the horizontal requirement. Another cylinder seat 216 is installed on this mounting plane 215, and another left roll upper locking cylinder 2031 is installed on this cylinder seat 216. The two left roll upper locking cylinders 2031 must be at the same height.

[0072] Similarly, a mounting plane 215 is provided at the relatively higher end of the right roll assembly 2022. This mounting plane 215 must be parallel to the ground when the right roll assembly 2022 is installed in the right roll box 2021. The right roll upper locking cylinder 2032 is connected to this mounting plane 215 by bolts. A mounting plane 215 is also provided at the relatively lower end of the right roll assembly 2022. This mounting plane 215, as described above, must be horizontal. Another cylinder seat 216 is installed on this mounting plane 215, and another right roll upper locking cylinder 2032 is installed on this cylinder seat 216. The two upper locking cylinders 2032 must be at the same height.

[0073] Furthermore, the adjusting locking mechanism includes a pressing screw 206, a nut 208, and a roll box side locking cylinder 212. The adjusting locking mechanism is divided into two groups, corresponding to the left roll assembly 201 and the right roll assembly 202, respectively. Each group of adjusting locking mechanisms includes two pressing screws 206 and one roll box side locking cylinder 212.

[0074] Specifically, refer to Figure 1 , Figure 8 and Figure 9In the adjusting and locking mechanism corresponding to the left roll assembly 201, two mounting slots are provided on the left vertical plate 1014 for mounting two nuts 208. Two pressing screws 206 pass through these two nuts 208 respectively and are threaded into their respective nuts 208. The telescopic ends of the two pressing screws 206 are respectively connected to the front end of the left roll box 2011 (i.e., Figure 9 The lower end shown) and the rear end (i.e. Figure 9 (As shown at the upper end). A roll box-side locking cylinder 212 corresponding to the left roll assembly 201 is positioned between the two pressing screws 206. The roll box-side locking cylinder 212 is a pneumatic or hydraulic cylinder, and its telescopic end is connected to the middle of the left roll box 2011. The roll box-side locking cylinder 212 is arranged parallel to the two pressing screws 206. Preferably, the roll box-side locking cylinder 212 is located in the middle position of the two pressing screws 206 to ensure uniform force distribution on the left roll box 2011. This roll box-side locking cylinder 212 is mounted on the left-side vertical plate 1014.

[0075] Correspondingly, in the adjusting and locking mechanism of the right roll assembly 202, two mounting slots are provided on the right vertical plate 1014 for installing two nuts 208. Two pressing screws 206 pass through these two nuts 208 respectively and are threaded into their respective nuts 208. The telescopic ends of the two pressing screws 206 respectively press against the front end of the right roll box 2021 (i.e., Figure 9 The lower end shown) and the rear end (i.e. Figure 9 (As shown at the upper end). A roll box-side locking cylinder 212 corresponding to the right roll assembly 202 is positioned between the two pressing screws 206. This roll box-side locking cylinder 212 is a pneumatic or hydraulic cylinder, and its telescopic end is connected to the middle of the right roll box 2021. The roll box-side locking cylinder 212 is arranged parallel to the two pressing screws 206. Preferably, the roll box-side locking cylinder 212 is located in the middle position of the two pressing screws 206 to ensure uniform force distribution on the right roll box 2021. This roll box-side locking cylinder 212 is mounted on the right-side vertical plate 1014.

[0076] Further reference Figure 10 and Figure 11 The description focuses on the pressing screw 206 in the adjusting locking mechanism, taking the pressing screw 206 connected to the left roll box 2011 as an example. The telescopic end of the pressing screw 206 is a spherical head. A spherical pad 204 is provided on the left roll box 2011. The telescopic end of the pressing screw 206 presses against the spherical pad 204. To ensure that the contact area between the telescopic end of the pressing screw 206 and the spherical pad 204 meets the requirements, a red lead powder coating can be added between the spherical head and the spherical pad 204. The telescopic end of the pressing screw 206 is fixedly connected to the left roll box 2011 through the pressing screw pressure plate 205. For specific installation methods, refer to... Figure 10This will not be elaborated upon here. Of course, the installation connection between the telescopic end of the pressing screw 206 and the left roll box 2011 can also adopt any existing, well-known installation method. The connection method between the right roll box 2021 and the pressing screw 206 is similar to the above method and will not be elaborated upon here.

[0077] Furthermore, nut 208 is connected to nut pressure plate 207, and nut pressure plate 207 is bolted to the lower frame 101. Hydraulic cylinder hinge seats 211 are respectively installed on the outside of the left roll box 2011 and the right roll box 2021 and are hinged to the telescopic end of the roll box side locking cylinder 212. The adjustment drive mechanism is set on the lower frame 101 and is driven by the pressing screw 206. Additionally, a bellows 217 is sleeved on the pressing screw 206, positioned between the nut 208 and the roll box to protect the pressing screw 206.

[0078] For details, please refer to Figure 4 , Figure 8 and Figure 9 The adjustment drive mechanism includes a reducer 209, a coupling 210, and a pressing screw adjustment motor 213. Two pressing screw adjustment motors 213 are provided, corresponding respectively to the adjustment locking mechanism connected to the left roll assembly 201 and the adjustment locking mechanism connected to the right roll assembly 202. The two pressing screw adjustment motors 213 can be respectively located on the outer sides of the left and right upright plates 1014 of the lower frame 101. Here, "outer sides" refers to the left side of the left upright plate 1014 and the right side of the right upright plate 1014.

[0079] In this embodiment, the adjusting motor 213 for pressing down the screw is a worm gear reducer motor, i.e., the motor is connected to a worm gear reducer. (Refer to...) Figure 4 The worm gear reducer in motor 213, which adjusts the screw by pressing down, has one in front and one behind (i.e., if...). Figure 4 For reference, then it is Figure 4 The medium-pressure screw adjusting motor 213 has two output shafts (one on the left and one on the right). Each output shaft is connected to one of the front or rear screws 206. Specifically, each output shaft is connected to a reducer 209 via a coupling 210. The reducer 209 is connected to the screw 206. In this embodiment, the reducer 209 is a worm gear reducer.

[0080] Further reference Figure 12 The frame positioning pin device 300 includes a frame positioning pin 301 and a cylinder 302. The frame positioning pin 301 is installed on the telescopic end of the cylinder 302 so that it can extend into the locking hole 108 formed between the lower frame 101 and the upper frame 104 during use to complete the locking and positioning between the lower frame 101 and the upper frame 104.

[0081] Specifically, the frame positioning pin device 300 includes a locking component 303, a mounting base 304, a cylinder support 305, and a pneumatic control device. The cylinder support 305 is mounted on the lower frame 101, the mounting base 304 is mounted on the cylinder support 305, the cylinder clamp 303 is mounted on the mounting base 304, and the cylinder 302 is fixed inside the cylinder clamp 303.

[0082] Specifically, the frame positioning pin 301 can be a cylindrical structure adapted to the lock hole.

[0083] In a further preferred embodiment, the head of the frame positioning pin 301 is provided with a shaft section with a diameter smaller than that of the frame positioning pin. This shaft end serves as a guide transition section, facilitating the initial centering of the frame positioning pin and thus making it easier for the frame positioning pin to extend into the locking hole. A threaded hole is provided at the front end of this shaft end, and a grease nipple for lubrication is installed in the threaded hole.

[0084] For details, please refer to Figures 13-20 The frame positioning pin 301 may further include a positioning pin body 3011 and a sliding pad 3012. The positioning pin body 3011 is configured as a frustum structure. Three T-shaped grooves 3014 are evenly distributed circumferentially on the frustum surface of the positioning pin body 3011. The outer wall of the sliding pad 3012 is an arc-shaped structure adapted to the inner wall of the lock hole 108, and the inner wall of the sliding pad 3012 is an inclined surface aligned with the generatrix direction of the frustum structure. A T-shaped slider 3015 is provided on the inner wall of the sliding pad 3012, and the T-shaped slider 3015 is installed in the T-shaped groove 3014. In this embodiment, three sliding pads 3012 are provided, and the three sliding pads 3012 are installed on the positioning pin body 3011. The T-shaped slider 3015 extends into the T-shaped groove 3014, allowing the sliding pad 3012 to move along the T-shaped groove 3014.

[0085] In a further preferred embodiment, the locating pin body 3011 is also provided with a reset spring 3013. There are three reset springs 3013, each located at the rear end of one of the three T-shaped slide grooves 3014, specifically at the end of the T-shaped slide groove 3014 closest to the cylinder 302. Figure 16 As shown, the reset spring 3013 can be a V-shaped elastic sheet, with the opening of the V-shaped elastic sheet facing the T-shaped groove 3014. The center 30131 of the V-shaped elastic sheet is fixedly connected to the positioning pin body 3011, and the open end 30132 of the V-shaped elastic sheet is the movable end.

[0086] Furthermore, at the front end of the keyhole 108, i.e. Figure 1 and Figure 18As shown on the right end, a limiting baffle 1083 is provided. In this embodiment, the limiting baffle 1083 is fixedly installed in the locking plate hole 1081. A through hole is opened in the limiting baffle 1083 so that the front end of the positioning pin body 3011 can pass through a certain distance. The length of the distance that the front end of the positioning pin body 3011 passes through can be selected according to the needs of the diameter of the through hole. For example, if a longer distance is required for the front end of the positioning pin body 3011 to pass through the through hole, the diameter of the through hole can be set to be larger; if a shorter distance is required, the diameter of the through hole can be set to be smaller. The diameter of the through hole only needs to be sufficient to ensure that the rest of the limiting baffle 1083 can resist the front end of the sliding pad 3012.

[0087] Furthermore, to ensure that the sliding pad 3012 does not detach from the T-shaped groove 3014, an end cap 3018 is provided at the front end of the locating pin body 3011. Its shape can be circular, and its diameter only needs to be large enough to block the front end of the T-shaped groove 3014, preventing the T-shaped slider 3015 from detaching from the front end of the T-shaped groove 3014. Simultaneously, the diameter of the end cap 3018 should not obstruct the movement of the sliding pad 3012; for example, the diameter of the end cap 3018 is smaller than the diameter of the front end face of the locating pin body 3011. In other words, the end cap 3018 only needs to block a portion of the T-shaped groove 3014.

[0088] In addition, the length of the T-shaped slider 3015 is shorter than the length of the sliding washer 3012, or at least the front end of the T-shaped slider 3015 is shorter than that of the sliding washer 3012, forming a stepped notch 30121. This allows the front end of the sliding washer 3012 to protrude beyond the front end of the locating pin body 3011 when the sliding washer 3012 is in its natural state. (See reference for the state.) Figure 16 .

[0089] The end cap 3018 can be installed on the front end face of the locating pin body 3011 via mounting bolts 3017.

[0090] Before use, the rack positioning pin 301 should be in the position of Figure 16In the state shown, the sliding pad 3012 is located at the foremost end of the positioning pin body 3011. At this time, the diameter of the structure formed by all the sliding pads 3012 is smaller than the inner diameter of the lock hole 108. As the frame positioning pin 301 extends into the lock hole 108, when the front end of the sliding pad 3012 presses against the baffle 1083, as the positioning pin body 3011 continues to advance, the sliding pad 3012 moves backward along the T-shaped groove 3014, that is, towards the cylinder 302. As the sliding pad 3012 gradually moves, the diameter of the structure formed by all the sliding pads 3012 gradually increases until the outer wall of the sliding pad 3012 completely presses against the inner wall of the lock hole 108. At this time, the sliding pad 3012 presses against the opening end 30132 of the reset spring 3013, causing the opening of the reset spring 3013 to gradually increase, thus completing the compression of the reset spring 3013. With this structure, on the one hand, when the frame positioning pin 301 is inserted into the locking hole 108, the structural diameter R of all the sliding pads 3012 gathered together is smaller than the inner diameter of the locking hole 108. This avoids the outer wall of the sliding pads 3012 from contacting the inner wall of the locking hole 108 during movement, so as to facilitate quick and unobstructed insertion. On the other hand, when locking, the outer wall of the sliding pads 3012 always maintains a tightening force on the inner wall of the locking hole 108, which increases the stability of locking and avoids the situation of loosening due to equipment vibration during use.

[0091] For details, please refer to the appendix. Figure 1 and attached Figure 12 The pneumatic control system includes a hose assembly and piping accessories 306, a pneumatic solenoid valve 307, and a solenoid valve mounting plate 308; the solenoid valve mounting plate is mounted on the lower frame 101; the solenoid valve is mounted on the solenoid valve mounting plate 308; the hose assembly and piping accessories 306 connect the cylinder 302 and the pneumatic solenoid valve 307.

[0092] When using the horizontal conical piercing machine of this utility model, first loosen all locking mechanisms, start the upper frame tilting cylinder 105, and replace the appropriate roll box; then, close the upper frame 104 through the upper frame tilting cylinder 105, and the frame positioning pin 301 is driven by the cylinder 302 to extend into the locking hole 108 to lock the upper frame 104 and the lower frame 101; next, the distance between the left roll box 2011 and the right roll box 2021 can be adjusted by pressing down the screw 206 and adjusting the drive device; finally, start the left roll upper locking cylinder 2031, the right roll upper locking cylinder 2032 and the roll box side locking cylinder 212 to lock the roll box longitudinally and laterally.

[0093] The embodiments of this disclosure have now been described in detail. To avoid obscuring the concept of this disclosure, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0094] While specific embodiments of this disclosure have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of this disclosure. Those skilled in the art should understand that modifications can be made to the above embodiments or equivalent substitutions can be made to some technical features without departing from the scope and spirit of this disclosure. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any manner.

[0095] It should be noted that, in the description of this disclosure, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientation or positional relationship, are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0096] Furthermore, the terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. "Vertical" is not strictly vertical, but within the permissible margin of error. "Parallel" is not strictly parallel, but within the permissible margin of error. Terms such as "including" or "contains" mean that the element preceding the word encompasses the element listed after the word, and do not exclude the possibility of encompassing other elements as well.

[0097] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this disclosure depending on the specific circumstances. When a particular device is described as being located between a first device and a second device, an intermediary device may or may not be present between the particular device and the first or second device.

[0098] All terms used in this disclosure have the same meaning as understood by one of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant art, and not as idealized or highly formalized, unless expressly defined herein.

[0099] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

Claims

1. A horizontal conical perforating machine, characterized in that, It includes a frame assembly (100), a roll assembly (200), and a frame positioning pin assembly (300); The rack assembly (100) includes a lower rack (101) and an upper rack (104); the upper rack (104) is located on top of the lower rack (101), and the upper rack (104) can be flipped relative to the lower rack (101) to realize the opening and closing between the upper rack (104) and the lower rack (101); The rolling mill assembly (200) includes a left rolling mill assembly (201), a right rolling mill assembly (202), a clamping mechanism, and an adjusting locking mechanism; both the left rolling mill assembly (201) and the right rolling mill assembly (202) are mounted on the lower frame (101); each of the left rolling mill assembly (201) and the right rolling mill assembly (202) is connected to an adjusting locking mechanism to enable the left rolling mill assembly (201) and the right rolling mill assembly (202) to move along the lower frame (101) and be locked in place; the tops of the left rolling mill assembly (201) and the right rolling mill assembly (202) are pressed against the bottom of the upper frame (104) by the clamping mechanism; The frame positioning pin device (300) includes a frame positioning pin (301) and a cylinder (302); the frame positioning pin (301) is located at the telescopic end of the cylinder (302) so that it can be inserted into the locking hole (108) formed between the lower frame (101) and the upper frame (104) during use to complete the locking and positioning between the lower frame (101) and the upper frame (104).

2. The horizontal conical perforating machine according to claim 1, characterized in that, The clamping mechanism is an upper locking cylinder (203) installed on the top of the left roll assembly (201) and the right roll assembly (202).

3. A horizontal conical perforating machine according to claim 2, characterized in that, The left roll assembly (201) includes a left roll box (2011) and a left roll assembly (2012) disposed within the left roll box (2011); The right roll assembly (202) includes a right roll box (2021) and a right roll assembly (2022) disposed within the right roll box (2021); The upper locking cylinder (203) includes two left roll upper locking cylinders (2031) and two right roll upper locking cylinders (2032); the two left roll upper locking cylinders (2031) are located at the top of the left roll assembly (2012); the two right roll upper locking cylinders (2032) are located at the top of the right roll assembly (2022).

4. A horizontal conical perforating machine according to claim 3, characterized in that, The frame assembly (100) further includes a lower frame slide plate (102), an upper frame slide plate (103), and an upper frame tilting mechanism; The lower frame slide plate (102) consists of two sets, both of which are mounted on the lower frame (101). The two sets of lower frame slide plates (102) are used to support the left roll box (2011) and the right roll box (2021) respectively. The upper frame slide plate (103) consists of two sets, both of which are located at the bottom of the upper frame (104). The two sets of upper frame slide plates (103) correspond to the left roll assembly (2012) and the right roll assembly (2022) respectively, and are pressed by the upper locking cylinder (203). The upper frame flipping mechanism connects the lower frame (101) and the upper frame (104) to achieve the flipping of the upper frame (104) relative to the lower frame (101).

5. A horizontal conical perforating machine according to claim 4, characterized in that, The upper frame tilting mechanism includes an upper frame tilting cylinder (105), an upper frame tilting cylinder mounting base (106), and an upper frame tilting hinge base (107); the upper frame tilting cylinder mounting base (106) is fixed to the upper end face of the upper frame (104); the cylinder body of the upper frame tilting cylinder (105) is fixed to the upper frame tilting cylinder mounting base (106); the telescopic end of the upper frame tilting cylinder (105) is hinged to the upper frame tilting hinge base (107) provided on the lower frame (101).

6. A horizontal conical perforating machine according to claim 3, characterized in that, The adjusting locking mechanism includes a pressing screw (206), a nut (208), and a roll box side locking cylinder (212); the nut (208) is fixedly connected to the lower frame (101); the pressing screw (206) and the nut (208) are threadedly engaged; The extension and retraction ends of the pressing screw (206) and the roll box side locking cylinder (212) are both connected to the roll device (200); The non-extension end of the pressing screw (206) is connected to the adjustment drive structure.

7. A horizontal conical perforating machine according to any one of claims 1-6, characterized in that, The cylinder (302) is fixedly connected to the lower frame (101) via a cylinder support (305); a locking plate (1011) is provided on the lower frame (101), and a locking plate hole (1081) is provided on the locking plate (1011); a locking tongue (1041) is provided on the upper frame (104), and a locking tongue hole (1082) is provided on the locking tongue (1041); when the upper frame (104) and the lower frame (101) are engaged, the locking tongue hole (1082) corresponds to the locking plate hole (1081) and together form a cylindrical locking hole (108) for the frame positioning pin (301) to be inserted; the frame positioning pin (301) has a structure that adapts to the shape of the inner wall of the locking hole (108).

8. A horizontal conical perforating machine according to claim 7, characterized in that, The frame positioning pin (301) includes a positioning pin body (3011) and a sliding washer (3012); The positioning pin body (3011) is a frustum structure. T-shaped grooves (3014) are evenly distributed around the side of the frustum. The T-shaped grooves (3014) are opened along the generatrix of the frustum structure. At least two T-shaped grooves (3014) are opened. The outer wall of the sliding pad (3012) is an arc-shaped structure adapted to the inner wall of the lock hole (108) for pressing against the inner wall of the lock hole (108). The inner wall of the sliding pad (3012) is an inclined surface consistent with the generatrix direction of the frustum structure. A T-shaped slider (3015) is provided on the inclined surface, which is inserted into the T-shaped groove (3014) and can move along the T-shaped groove (3014).

9. A horizontal conical perforating machine according to claim 8, characterized in that, A limiting baffle (1083) is provided at the front end of the lock hole (108) for the front end of the sliding pad (3012) to press against it, so that the sliding pad (3012) can move along the T-shaped slide groove (3014) until the outer wall of the sliding pad (3012) presses against the inner wall of the lock hole (108) to complete the locking.

10. A horizontal conical perforating machine according to claim 9, characterized in that, A reset spring (3013) is provided at the rear end of the T-shaped slide (3014) to press the sliding pad (3012) forward to reset.

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