Burnishing device of steel coil packer
By adopting a design with fixed components and movable spikes on the steel coil baler, and utilizing spring suspension support and a flared female sleeve to achieve flexible docking, the problem of reduced accuracy caused by wear of the spike device is solved, thereby improving docking accuracy and equipment reliability.
Patent Information
- Application Number
- CN202520317922.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The piercing device of existing steel coil baling machines is prone to wear after long-term operation, which leads to reduced docking accuracy, affects the piercing effect and equipment failure rate.
The design employs fixed components and movable spikes, utilizing symmetrical upper and lower spring suspension supports and a flared female sleeve to achieve flexible docking, reducing rigid friction and improving docking accuracy.
Flexible docking reduces wear, improves the accuracy of repeatable docking, extends equipment lifespan, and reduces the occurrence of failures.
Smart Images

Figure CN223686907U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of steel, especially a gun stab device of steel coil packing machine. BACKGROUND
[0002] The hot rolling packing machine is a kind of equipment used on hot rolling strip production line, mainly used for packing the steel coil after rolling to avoid the phenomenon of scattered coil in the transportation process, and ensure normal marketing.The composition of hot rolling packing machine mainly includes mechanical part, pneumatic part and electrical part.The mechanical part includes travelling trolley, receiving and sending belt mechanism, shearing mechanism, packing belt chute etc., which can pack the steel coil at multiple positions.The packing machine is usually installed on the walking beam, and the packing machine cannot work when the walking beam is walking, because the gun stab part of the packing belt chute is disconnected at this time.When the walking beam is paused, the gun stab is connected, forming a closed chute to facilitate the packing belt threading.
[0003] However, the existing gun stab device adopts rigid connection, and under the influence of installation precision and huge reaction in piercing operation, the gun stab device connection part is prone to rigid wear under long-time operation, and the connection of the gun stab device will produce more and more errors under long-term wear, which will eventually affect the piercing effect and cause the packing belt to be out of groove.
[0004] Therefore, it is necessary to provide a gun stab device of steel coil packing machine to solve or at least alleviate the above problems. CONTENT OF THE UTILITY MODEL
[0005] The main purpose of the utility model is to provide a gun stab device of steel coil packing machine to solve the technical problem that the connection part of the gun stab device is prone to wear, resulting in lower and lower precision of the gun stab device under long-term repeated connection.
[0006] To achieve the above purpose, the utility model provides a gun stab device of steel coil packing machine, which comprises a fixed component and a movable gun stab, the fixed component and the movable gun stab are oppositely arranged, the movable gun stab moves towards the fixed component to complete connection, the fixed component comprises a bracket and a female sleeve, the bracket is connected with the female sleeve, spring suspension symmetrical above and below is arranged on the bracket to support the bracket, the female sleeve is connected with the movable gun stab, and the connection part of the female sleeve is gradually increased in the direction of the movable gun stab.
[0007] Preferably, the spring is a tower spring, and the two ends of the tower spring in the axial direction are a large-diameter end and a small-diameter end respectively, and the large-diameter end of the tower spring is connected with the bracket.
[0008] Further preferably, the bracket is further provided with an ear plate on the side surface, the ear plate is provided with a mounting hole, the mounting hole has a diameter larger than the diameter of the bolt and smaller than the spring diameter of the large diameter end of the tower-shaped spring, the bolt passes through the mounting hole and the inside of the tower-shaped spring, and the thin end of the tower-shaped spring is connected with the bolt.
[0009] Further preferably, the bracket is further provided with an ear plate on the side surface, the ear plate is provided with a mounting hole, the mounting hole has a diameter larger than the diameter of the bolt and smaller than the spring diameter of the large diameter end of the tower-shaped spring, the bolt passes through the mounting hole and the inside of the tower-shaped spring, and the thin end of the tower-shaped spring is connected with the bolt.
[0010] Preferably, the female sleeve is sleeved in the bracket, the female sleeve comprises a guide column, and a buffer spring is further sleeved between the guide column and the bracket in the axial direction.
[0011] Further preferably, the bracket is further provided with an ear plate on the side surface, the ear plate is provided with a mounting hole, the mounting hole has a diameter larger than the diameter of the bolt and smaller than the spring diameter of the large diameter end of the tower-shaped spring, the bolt passes through the mounting hole and the inside of the tower-shaped spring, and the thin end of the tower-shaped spring is connected with the bolt.
[0012] Further preferably, the female sleeve is protruded from the bracket by 3-5 mm at the abutting end.
[0013] Preferably, the movable bayonet comprises a male head, the male head is detachably connected with the abutting end of the movable bayonet, the male head is opposite to the female sleeve in position, and the end of the male head is opposite to the bottom of the female sleeve in position.
[0014] Further, the shape of the male head is adapted to the shape of the female sleeve.
[0015] Preferably, the bracket and / or the movable bayonet is further provided with an openable and closable protective plate.
[0016] Compared with the prior art, the utility model has the beneficial effects that:
[0017] The utility model discloses a bracket and a female sleeve are in the suspended support state through the spring arranged symmetrically up and down, the female sleeve can move in a small range in the up-down and left-right directions in the abutment, the abutment of the female sleeve is provided with the horn shape, even if the movable bayonet deflects in the abutment process, can reach the preset abutment position under the guidance of the female sleeve and the adaptive movement of the spring, realizes the flexible abutment process, greatly reduces the rigid friction between the movable bayonet and the female sleeve, reduces the abrasion, can significantly improve the repeatability of the abutment precision, prolongs the service life of the bayonet device, and reduces the failure. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without any creative effort.
[0019] Figure 1 It is an overall structure schematic view of an embodiment of the present application.
[0020] Figure 2 It is a cross-sectional view of the internal structure of an embodiment of the present application.
[0021] Figure 3 It is Figure 2 It is an enlarged schematic view of B in the figure.
[0022] Figure 4 It is an enlarged schematic view of C in the figure. Figure 2
[0023] It is an enlarged schematic view of D in the figure. Figure 5 Figure 2 It is an overhead view of the fixing assembly in an embodiment of the present application.
[0024] Figure 6 It is a schematic view of the fixing assembly and the movable bayonet butt joint in an embodiment of the present application.
[0025] Figure 7 It is an internal cross-sectional view of the fixing assembly and the movable bayonet butt joint in an embodiment of the present application.
[0026] Figure 8 The purposes, functional features and advantages of the present application will be further explained in combination with embodiments and with reference to the drawings.
[0027] Explanation of the drawings:
[0028] 1, support; 2, movable bayonet; 3, guard plate; 4, female sleeve; 41, guide column; 5, positioning element; 6, buffer spring; 7, male head; 8, bolt; 9, support; 10, saddle; 11, stepping beam; 12, tower spring; 13, ear plate; 14, boss. DETAILED DESCRIPTION
[0029] It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.
[0030] It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.
[0031] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.
[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as described in the drawings), and if the specific posture changes, the directional indications will also change accordingly.
[0033] In addition, the description of "first", "second" and the like in the present utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present utility model.
[0034] Please refer to the drawings Figures 1-8 In an embodiment of the present utility model, the lance device of the steel coil packing machine comprises a fixed assembly and a movable lance 2, the fixed assembly is arranged opposite to the movable lance 2, and the movable lance 2 moves towards the fixed assembly to complete butt joint. The fixed assembly comprises a support 1 and a female sleeve 4, the support 1 is connected with the female sleeve 4, spring suspension symmetrical in up and down directions is arranged on the support 1 to support the support 1, the spring symmetrical in up and down directions makes the support 1 and the female sleeve 4 in a suspended state, and the female sleeve 4 can move in a small range in up, down, left and right directions in butt joint. The female sleeve 4 and the movable lance 2 are mutually butt-jointed, the butt joint part of the female sleeve 4 is in a horn shape gradually increasing in the direction of the movable lance 2, and even if the movable lance 2 deflects, it can smoothly reach the preset butt joint position under the guidance of the female sleeve 4 and the adaptive movement of the spring in the butt joint process, the flexible butt joint process of automatic centering and alignment is realized, the rigid friction between the movable lance 2 and the female sleeve 4 is greatly reduced, the wear is reduced, the repeatability of butt joint precision can be significantly improved, the service life of the lance device is prolonged, and the failure is reduced.
[0035] As a preferred embodiment, the spring is preferably a tower spring 12, the axial two ends of the tower spring 12 are a large-diameter end and a small-diameter end respectively, and the large-diameter end of the tower spring 12 is connected with the support 1. Compared with a common cylindrical spring, the tower spring 12 is more stable, and for the deflected movable lance 2, the female sleeve 4 can be more easily and stably offset to reduce errors in response to the deflected movable lance 2.
[0036] As a further preferred embodiment, the embodiment further comprises a bolt 8, the side of the support 1 is also symmetrically provided with an ear plate 13, the ear plate 13 is provided with a mounting hole, the hole diameter of the mounting hole is greater than the diameter of the bolt 8 and smaller than the spring diameter of the large-diameter end of the tower spring 12, the bolt 8 passes through the mounting hole and the inside of the tower spring 12, and the thinner end of the tower spring 12 is connected with the bolt 8. The ear plate 13 provides a sufficient support surface for the tower spring 12, and the ear plate 13 and the bolt 8 passing through the inside of the tower spring 12 can improve the stability of spring suspension support.
[0037] The embodiment further comprises a saddle 10 and a plurality of supports 9, the supports 9 are fixed on the saddle 10, the bolt 8 is fixed on the support 9, the end of the support 1 away from the docking position is a front end, the rear end of the support 1 is provided with a boss 14 abutting against the support 9 located at the rear end, and the boss 14 is located in front of the support 9. The saddle 10 and the walking beam 11 can stably bear a heavy steel coil, in the docking process, the movable lance 2 will exert a force on the fixed assembly, the boss 14 abutting against the support 9 avoids the fixed assembly from retracting backward under the force, and the stability of docking is further improved.
[0038] As another preferred embodiment, the female sleeve 4 is sleeved in the support 1, the female sleeve 4 comprises a guide column 41, and a buffer spring 6 is further sleeved between the guide column 41 and the support 1 in the axial direction. The sleeving connection mode can not only quickly disassemble the damaged female sleeve 4, speed up the maintenance progress, save time and effort, but also make the buffer spring 6 buffer in the same direction under the joint constraint of the guide column 41 and the support 1. In the docking process, the female sleeve 4 subjected to the impact of the movable lance 2 will compress the buffer spring 6 to alleviate the impact force, so that the wear of the female sleeve 4 at the docking position under long-term stress can be significantly reduced, and the repeatability of the docking precision of the utility model is further improved.
[0039] The embodiment further preferably comprises a positioning element 5, the positioning element 5 is fixed in the support 1, the positioning element 5 is provided with a hole for the guide column 41 to pass through, one end of the buffer spring 6 is connected with the positioning element 5, and the other end is connected with the female sleeve 4. After the connection is completed, the end of the female sleeve 4 at the docking position protrudes from the support 3 by 5 mm as a buffer distance between the support 1 and the movable lance 2, the device stability during docking is improved under the double constraints of the guide column 41 and the support 1, errors are reduced, and the precision is improved.
[0040] Preferably, the movable lance 2 comprises a male head 7, the shape of which is adapted to the shape of the female sleeve 4, the male head 7 is detachably connected to the butt end of the movable lance 2, the male head 7 is located opposite to the female sleeve 4, and the end of the male head 7 is located opposite to the bottom of the female sleeve 4. The male head 7 as the butt end is a vulnerable part, which is detachably fixed to the movable lance 2 by means of screws or the like, and the male head 7 can be quickly replaced, thereby further accelerating the maintenance speed of the embodiment.
[0041] Preferably, the movable lance 2 comprises a male head 7, the shape of which is adapted to the shape of the female sleeve 4, the male head 7 is detachably connected to the butt end of the movable lance 2, the male head 7 is located opposite to the female sleeve 4, and the end of the male head 7 is located opposite to the bottom of the female sleeve 4. The male head 7 as the butt end is a vulnerable part, which is detachably fixed to the movable lance 2 by means of screws or the like, and the male head 7 can be quickly replaced, thereby further accelerating the maintenance speed of the embodiment.
[0042] The assembly process of the embodiment is as follows: first, the buffer spring 6 is sleeved into the guide rod of the female sleeve 4, the sleeving length is adjusted, and the protrusion of 3mm to 5mm from the end of the support 1 after installation is required, a small buffer distance is left, the positioning element 5 is installed, the inner hexagonal bolts are screwed into the threaded holes at the two ends of the positioning element 5 through the two sides of the support 1, and the end of the bolt does not protrude from the two sides of the support 1, so as not to interfere with the opening and closing of the guard plate 3. The whole is then sleeved into the cavity of the support 1, the guard plates 3 on the two sides of the support 1 are then installed, so that the guard plates 3 and the support 1 jointly form a chute, and finally the tower-shaped springs 12 are symmetrically placed on the two surfaces of the lug plate 13 of the support 1, and long bolts are sequentially threaded through the tower-shaped springs 12, the lug plate 13, the tower-shaped springs 12 and the threaded holes of the support 9, and the lug plate 13 is fixed, the installation hole of the lug plate 13 is slightly larger than the long bolt, so as to adapt to the slight skew displacement of the support 1 up and down and left and right; then the male head 7 is installed at the corresponding position of the end of the movable lance 2, the guard plate 3 is then installed to form a movable lance 2 with a chute, and finally the movable lance 2 is installed on the movable lance driving frame and the guide wheel.
[0043] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.
Claims
1. A lance device of a steel coil packing machine, comprising a fixed assembly and a movable lance, the fixed assembly and the movable lance are oppositely arranged, the movable lance moves towards the fixed assembly to complete the butt joint, characterized in that, The fixed assembly comprises a bracket and a female sleeve, the bracket is connected with the female sleeve, spring suspension symmetrical to the bracket is arranged on the bracket, the female sleeve is in butt joint with the movable lance, and the butt joint of the female sleeve is in the shape of a horn gradually increasing in size from the mouth to the movable lance.
2. The lance device of a steel coil packer according to claim 1, characterized in that, The spring is a tower spring, and the axial two ends of the tower spring are a large-diameter end and a small-diameter end, respectively.
3. The lance device of a steel coil packer according to claim 2, characterized in that Further comprising a bolt, the side of the bracket is also symmetrically provided with an ear plate, the ear plate is provided with a mounting hole, the hole diameter of the mounting hole is greater than the diameter of the bolt and smaller than the spring diameter of the large-diameter end of the tower spring, the bolt passes through the mounting hole and the inside of the tower spring, and the thinner end of the tower spring is connected with the bolt.
4. The lance device of a steel coil packer according to claim 3, characterized in that Further comprising a saddle and a plurality of supports, the supports are fixed on the saddle, the bolt is fixed on the support, the end of the bracket away from the butt joint is a front end, the rear end of the bracket is provided with a boss abutting against the support located at the rear end, and the boss is located in front of the support.
5. The lance apparatus of a steel coil packer according to claim 1, characterized in that, The female sleeve is sleeved in the bracket, the female sleeve comprises a guide column, and a buffer spring is further sleeved between the guide column and the bracket in the axial direction.
6. The lance device of a steel coil packer according to claim 5, characterized in that Further comprising a positioning element, the positioning element is fixed in the bracket, a hole is arranged in the positioning element for the guide column to pass through, one end of the buffer spring is connected with the positioning element, and the other end is connected with the female sleeve.
7. The lance device of a steel coil packer according to claim 6, characterized in that The end of the female sleeve protrudes from the bracket by 3-5 mm.
8. The lance apparatus of a steel coil packer according to claim 1, characterized in that, The movable lance comprises a male head, the male head is detachably connected with the butt joint end of the movable lance, the male head is opposite to the female sleeve in position, and the end of the male head is opposite to the bottom of the female sleeve in position.
9. The lance device of a steel coil packer according to claim 8, characterized in that The shape of the male head is adapted to the shape of the female sleeve.
10. The lance apparatus of a steel coil packer according to claim 1, characterized in that, Further comprising an openable and closable guard plate, the guard plate is connected to the bracket and / or the movable lance.