Roller seat locking device
By designing a roll seat locking device for a rolling mill, the combination of the first locking assembly and the second locking assembly can realize double locking of the roll seat, solving the problem of poor locking effect in the prior art, improving the simplicity and firmness of the locking, extending the service life of the equipment and improving the quality of the steel pipe surface.
Patent Information
- Application Number
- CN202420360561.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-02-27
AI Technical Summary
The locking effect of the lower guide plate bearing seat in the existing rolling mill is poor, resulting in the lower guide plate swaying and collapse, affecting the service life of the equipment and the quality of the steel pipe surface.
A roll seat locking device is designed, including a mounting plate, a fixing seat, a slot, a roll seat and a slot. Through the combination of the first locking assembly and the second locking assembly, the double locking of the roll seat is realized, and the simplicity and firmness of the locking are improved.
Through the double locking mechanism, the locking effect of the roll seat is significantly improved, the jumping and tilting are reduced, the service life of the equipment is extended, and the quality of the steel pipe surface is improved.
Smart Images

Figure CN222607555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary structures of rolling mills, in particular to a rolling roll seat locking device. Background Art
[0002] During the production process of the rolling mill, in order to improve the stability of the lower guide disc, it is necessary to lock the bearing seat of the lower guide disc. At present, the locking of the lower guide disc bearing seat is achieved by driving the arc-shaped locking block on the lower side to squeeze the bearing seat pressure block through the locking cylinder to complete the locking of the lower guide disc bearing seat. The on-site dial indicator was used to detect the vibration amplitude of the lower guide disc bearing seat during production, which was 0.9mm. The locking effect was poor, and the lower guide disc also had a certain degree of deflection, which was easy to hit the roller and cause edge collapse, affecting the service life of the equipment and the quality of the steel pipe surface, resulting in low practicality.
[0003] In the prior art, a patent document with publication number CN218837450U discloses a bearing seat locking device, including a mounting plate, a second connecting block is rotatably connected to the inner side of each second articulated frame, a hydraulic telescopic rod is fixedly installed on one side of the second connecting block, one end of the hydraulic telescopic rod is fixedly connected to the first connecting block, the outer side of the first connecting block is rotatably connected to the first articulated frame, and a locking member rotatably connected to the mounting plate is fixedly installed on one side of the first articulated frame.
[0004] During use, it was found that the above device requires the operation of two sets of hydraulic telescopic rods, which increases the cost and also increases the complexity of the operation process. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a roller seat locking device with improved convenience.
[0006] The utility model discloses a roller seat locking device, comprising a mounting plate, an opening, a fixed seat, a notch, a roller seat and a slot, wherein the mounting plate is provided with an opening, a fixed seat is provided at the front end of the mounting plate, a positioning groove is provided at the top end of the fixed seat, a notch is provided at the front end of the positioning groove, two groups of slots are provided on the roller seat, the roller seat is adapted to the positioning groove, and further comprises a first locking component and a second locking component, the first locking component is provided in the opening, and the second locking component is provided on the fixed seat; when in use, the roller seat is placed in the positioning groove, and then the first group of locking components is operated to lock the roller seat, and then the second locking component is operated to lock the roller seat again, thereby improving the simplicity of locking and the firmness of locking.
[0007] Preferably, the No. 1 positioning assembly includes a screw, a handwheel, a slider and a pressure plate, a screw is rotatably arranged in the opening, the top end of the screw extends to above the mounting plate, a handwheel is arranged on the top end of the screw, the slider is slidably arranged in the opening, the slider is threadedly connected to the screw, and a pressure plate is arranged on the slider; the roller seat is placed in the positioning groove, and the staff rotates the screw by the handwheel, so that the slider drives the pressure plate to move downward, and the bottom end of the pressure plate is pressed against the top end of the roller seat to complete the fixation of the roller seat.
[0008] Preferably, the second locking assembly includes a hydraulic telescopic rod, a lifting plate, a connecting rod and a locking piece. A hydraulic telescopic rod is arranged at the bottom end of the fixed seat, a lifting plate is arranged at the bottom movable end of the hydraulic telescopic rod, and two groups of connecting rods are arranged at the top of the lifting plate. Both groups of connecting rods are slidably connected to the fixed seat, and a group of locking pieces are respectively arranged at the top of the two groups of connecting rods, and the locking pieces are adapted to the slots. After the pressure plate locks the roller seat once, the hydraulic telescopic rod is operated to extend, so that the lifting plate drives the two groups of connecting rods and the two groups of locking pieces to move downward, and the two groups of locking pieces respectively enter a group of slots, thereby completing the secondary locking of the roller seat, and the operation is simple.
[0009] Preferably, it also includes an anti-skid pad, and the bottom end of the pressing plate is provided with an anti-skid pad; the pressing plate is pressed against the top end of the roller seat through the anti-skid pad to improve the locking firmness.
[0010] Preferably, it also includes a telescopic rod, which is arranged between the fixed seat and the lifting plate; when the hydraulic telescopic rod drives the lifting plate to adjust the height, the telescopic rod guides the lifting plate to improve the movement stability of the lifting plate.
[0011] Preferably, it also includes a positioning port and a positioning rod, the bottom end of the positioning groove is provided with a positioning port, the bottom end of the roller seat is provided with a positioning rod, and the positioning rod is adapted to the positioning port; when the roller seat is placed in the positioning groove, the positioning rod is inserted into the positioning port for positioning, thereby improving the positioning accuracy.
[0012] Preferably, it also includes a chamfered portion, and each group of positioning rods is respectively provided with a group of chamfered portions at the bottom end; the positioning rods are quickly inserted into the positioning openings with the cooperation of the chamfered portions, thereby improving convenience.
[0013] Compared with the prior art, the utility model has the following beneficial effects: when in use, the roller seat is placed in the positioning groove, and then the first group of locking components is operated to lock the roller seat, and then the second locking component is operated to lock the roller seat again, thereby improving the simplicity of locking while improving the firmness of locking. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;
[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;
[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;
[0017] Figure 4 It is an enlarged structural schematic diagram of the roll stand structure;
[0018] Figure 5 It is an enlarged structural diagram of structures such as the lead screw and the pressure plate.
[0019] Markings in the attached drawings: 1. Mounting plate; 2. Opening; 3. Fixed seat; 4. Notch; 5. Roller seat; 6. Slot; 7. Screw; 8. Handwheel; 9. Slider; 10. Pressing plate; 11. Hydraulic telescopic rod; 12. Lifting plate; 13. Connecting rod; 14. Locking piece; 15. Anti-slip pad; 16. Telescopic rod; 17. Positioning opening; 18. Positioning rod; 19. Chamfered portion. DETAILED DESCRIPTION
[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] Example 1
[0022] like Figure 1 , Figure 3 and Figure 4 As shown, a roller seat locking device of the utility model comprises a mounting plate 1, an opening 2, a fixing seat 3, a notch 4, a roller seat 5 and a clamping groove 6, the mounting plate 1 is provided with an opening 2, a fixing seat 3 is provided at the front end of the mounting plate 1, a positioning groove is provided at the top of the fixing seat 3, a notch 4 is provided at the front end of the positioning groove, two groups of clamping grooves 6 are provided on the roller seat 5, the roller seat 5 is adapted to the positioning groove, and further comprises a first locking assembly and a second locking assembly, the first locking assembly is provided in the opening 2, and the second locking assembly is provided on the fixing seat 3;
[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, positioning assembly No. 1 includes a screw 7, a handwheel 8, a slider 9 and a pressure plate 10. The screw 7 is rotatably arranged in the opening 2, and the top end of the screw 7 extends to above the mounting plate 1. The top end of the screw 7 is provided with a handwheel 8, and the slider 9 is slidably arranged in the opening 2. The slider 9 is threadedly connected to the screw 7, and a pressure plate 10 is provided on the slider 9.
[0024] In this embodiment, when in use, the roller seat 5 is placed in the positioning groove, and the staff rotates the screw 7 through the hand wheel 8, so that the slider 9 drives the pressure plate 10 to move downward, and the bottom end of the pressure plate 10 is pressed against the top end of the roller seat 5 to complete the fixation of the roller seat 5. Then, the second locking assembly is operated to lock the roller seat 5 again, thereby improving the simplicity of locking and improving the firmness of locking.
[0025] Example 2
[0026] like Figure 1 , Figure 3 and Figure 4 As shown, a roller seat locking device of the utility model comprises a mounting plate 1, an opening 2, a fixing seat 3, a notch 4, a roller seat 5 and a clamping groove 6, the mounting plate 1 is provided with an opening 2, a fixing seat 3 is provided at the front end of the mounting plate 1, a positioning groove is provided at the top of the fixing seat 3, a notch 4 is provided at the front end of the positioning groove, two groups of clamping grooves 6 are provided on the roller seat 5, the roller seat 5 is adapted to the positioning groove, and further comprises a first locking assembly and a second locking assembly, the first locking assembly is provided in the opening 2, and the second locking assembly is provided on the fixing seat 3;
[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the first positioning assembly includes a screw 7, a hand wheel 8, a slider 9 and a pressure plate 10. The screw 7 is rotatably arranged in the opening 2, the top of the screw 7 extends to the top of the mounting plate 1, the hand wheel 8 is arranged at the top of the screw 7, the slider 9 is slidably arranged in the opening 2, the slider 9 is threadedly connected to the screw 7, and the pressure plate 10 is arranged on the slider 9;
[0028] like Figure 1 , Figure 2 and Figure 3 As shown, the second locking assembly includes a hydraulic telescopic rod 11, a lifting plate 12, a connecting rod 13 and a locking member 14. The bottom end of the fixed seat 3 is provided with a hydraulic telescopic rod 11, and the bottom movable end of the hydraulic telescopic rod 11 is provided with a lifting plate 12. The top of the lifting plate 12 is provided with two groups of connecting rods 13, and the two groups of connecting rods 13 are both slidably connected to the fixed seat 3. The tops of the two groups of connecting rods 13 are respectively provided with a group of locking members 14, and the locking members 14 are adapted to the card slot 6;
[0029] It also includes an anti-slip pad 15, a telescopic rod 16, a positioning port 17, a positioning rod 18 and a chamfered portion 19. The bottom end of the pressing plate 10 is provided with an anti-slip pad 15, a telescopic rod 16 is provided between the fixed seat 3 and the lifting plate 12, the bottom end of the positioning groove is provided with a positioning port 17, and the bottom end of the roller seat 5 is provided with a positioning rod 18, the positioning rod 18 is adapted to the positioning port 17, and the bottom end of each group of positioning rods 18 is respectively provided with a group of chamfered portions 19.
[0030] In this embodiment, when in use, the roller seat 5 is placed in the positioning groove, the positioning rod 18 is inserted into the positioning port 17 for positioning, and the staff rotates the lead screw 7 through the hand wheel 8, so that the slider 9 drives the pressure plate 10 to move downward, and the bottom end of the pressure plate 10 is pressed against the top end of the roller seat 5 to complete the fixation of the roller seat 5, and the hydraulic telescopic rod 11 is operated to extend, so that the lifting plate 12 drives the two groups of connecting rods 13 and the two groups of locking members 14 to move downward, and the two groups of locking members 14 respectively enter a group of slots 6, thereby completing the secondary locking of the roller seat 5.
[0031] The roller seat 5 of the roller seat locking device of the utility model is purchased on the market, and the technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for the technicians in the field to make creative efforts.
[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A roller seat locking device, characterized in that: The invention comprises a mounting plate (1), an opening (2), a fixing seat (3), a notch (4), a roller seat (5) and a clamping groove (6); the mounting plate (1) is provided with an opening (2); a fixing seat (3) is provided at the front end of the mounting plate (1); a positioning groove is provided at the top end of the fixing seat (3); a notch (4) is provided at the front end of the positioning groove; two groups of clamping grooves (6) are provided on the roller seat (5); the roller seat (5) is adapted to the positioning groove; and the invention is characterized in that the invention further comprises a first locking assembly and a second locking assembly; the first locking assembly is provided in the opening (2); and the second locking assembly is provided on the fixing seat (3).
2. A roll seat locking device according to claim 1, characterized in that: The first positioning assembly comprises a lead screw (7), a hand wheel (8), a slider (9) and a pressure plate (10); the lead screw (7) is rotatably arranged in the opening (2); the top end of the lead screw (7) extends to above the mounting plate (1); the top end of the lead screw (7) is provided with a hand wheel (8); the slider (9) is slidably arranged in the opening (2); the slider (9) is threadedly connected to the lead screw (7); and the pressure plate (10) is arranged on the slider (9).
3. A roll seat locking device according to claim 1, characterized in that: The second locking assembly comprises a hydraulic telescopic rod (11), a lifting plate (12), a connecting rod (13) and a locking member (14); the bottom end of the fixed seat (3) is provided with a hydraulic telescopic rod (11); the bottom movable end of the hydraulic telescopic rod (11) is provided with a lifting plate (12); the top end of the lifting plate (12) is provided with two groups of connecting rods (13); the two groups of connecting rods (13) are both slidably connected to the fixed seat (3); the top ends of the two groups of connecting rods (13) are respectively provided with a group of locking members (14); the locking members (14) are adapted to the card slot (6).
4. A roll seat locking device as claimed in claim 2, characterized in that: It also comprises an anti-skid pad (15), and the bottom end of the pressing plate (10) is provided with an anti-skid pad (15).
5. A roll seat locking device as claimed in claim 3, characterized in that: It also comprises a telescopic rod (16), and the telescopic rod (16) is arranged between the fixing seat (3) and the lifting plate (12).
6. A roll seat locking device as claimed in claim 1, characterized in that: It also comprises a positioning opening (17) and a positioning rod (18); the bottom end of the positioning groove is provided with a positioning opening (17); the bottom end of the roller seat (5) is provided with a positioning rod (18); the positioning rod (18) is adapted to the positioning opening (17).
7. A roll seat locking device as claimed in claim 6, characterized in that: It also includes chamfered portions (19), and the bottom end of each group of positioning rods (18) is respectively provided with a group of chamfered portions (19).
Citation Information
Patent Citations
A bearing housing locking device
CN218837450U