Subway segment bolt bending tool
By designing a highly adaptable clamping and bending mechanism, the shortcomings of existing subway segment bolt bending tooling in terms of accuracy and life are solved, and efficient and stable bolt bending processing is achieved.
Patent Information
- Application Number
- CN202422371700.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing subway segment bolt bending tooling cannot guarantee bending accuracy during long-term use, and the reset parts have a short service life, resulting in low processing efficiency.
A subway segment bolt bending tooling was designed, which includes a clamping mechanism and a bending mechanism. The clamping mechanism can adapt to workpieces of different specifications through adjustable clamping force and sliding sleeve structure. The bending mechanism can adapt to different material thicknesses through cylinder drive and adjustable air pressure. Combined with the thread groove design, a variety of bending operations can be realized.
It improves the smoothness and production efficiency of the processing process, reduces the operation time, enhances the adaptability and service life of the equipment, and ensures the processing accuracy and stability.
Smart Images

Figure CN223430868U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to force, railway equipment production and processing technical field, specifically, relate to a subway segment bolt bending frock. BACKGROUND
[0002] Subway segment bolt is used for connecting the special fastener of subway tunnel lining segment, lining segment is connected through these bolts in the process of subway tunnel construction, forms the continuous structure, guarantees the stability and strength of tunnel, and bolt usually has high strength, corrosion resistance and the like, to cope with the complex underground environment and higher construction requirement, in the work of force, railway equipment production and processing, usually uses bending equipment to carry out installation work for workers.
[0003] Chinese patent discloses subway segment bolt bending frock, and the publication number is CN216064996U, wherein it is proposed that "including punch structure, setting in the drive end of punch, and carrying out punch action under the drive of punch drive end, wherein, punch structure at least includes arc punch surface, and the arc of arc punch surface is adapted with the prescribed degree of bending of bolt;Fixed structure, setting in the workbench of punch, wherein, the fixed structure at least includes arc placement groove, and bolt is placed in the arc placement groove;Wherein, the punch action of punch structure makes arc punch surface contact and punches bolt into prescribed degree of bending with bolt. Therefore, when arc punch surface punches, it can cooperate with it, so that bolt can be punched to form prescribed degree of bending, further realize one shot of bolt bending, improve yield, reduce production cost".
[0004] But the above scheme can carry out subway segment bolt bending work, but its punch and clamping all depend on reset part, in the process of long time use, not only can not guarantee the accuracy of bending, also can shorten the service life of reset part, thereby reduce the bending efficiency of mechanism, therefore, it is very necessary to design a subway segment bolt bending frock. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a subway segment bolt bending frock, solves according to different workpiece's size and processing demand in relevant art and adjusts, thereby adapts to different specifications workpiece, improves the service life of individual part.
[0006] The technical scheme of the utility model is as follows:
[0007] A subway segment bolt bending frock, including punch table and clamping mechanism, the surface one side of punch table is provided with clamping mechanism, one end of punch table is provided with bending mechanism;
[0008] The clamping mechanism comprises a groove, a second mounting groove, a connecting groove, a threaded rod, an auxiliary rod, a first spring, a first bevel gear, a sliding sleeve, a second bevel gear set, a clamping plate and a motor, one side of the surface of the punching table is provided with a groove, both sides of the groove are provided with a second mounting groove, the surface of the groove is provided with a connecting groove, the inner side of the second mounting groove is fitted with a threaded rod, both sides of the connecting groove are fixedly connected with an auxiliary rod, one end of the connecting groove is fixedly connected with a first spring, one side of the threaded rod is fixedly connected with a first bevel gear, the surface of the threaded rod is threadedly connected with a sliding sleeve, the surface of the first bevel gear is engaged with a second bevel gear set, one end of the sliding sleeve is fixedly connected with a clamping plate, and one end of the second bevel gear set is connected with a motor.
[0009] Preferably, the main body of the sliding sleeve is fitted in the inner part of the groove, and one side of the sliding sleeve is fitted in the inner part of the connecting groove.
[0010] Preferably, the auxiliary rod is provided with four groups in the connecting groove and is distributed at equal intervals, and the inner part of the sliding sleeve is fitted with the auxiliary rod.
[0011] Preferably, the first spring is arranged outside the auxiliary rod, and the other side of the first spring is connected with the sliding sleeve.
[0012] Preferably, the first bevel gear and the second bevel gear set are both arranged in the inner part of the second mounting groove, and one side of the second mounting groove penetrates the punching table.
[0013] Preferably, the sliding sleeve, the first bevel gear, the second bevel gear set and the motor and the threaded rod constitute a mutual sliding structure, the threaded rod is provided with two groups, and the same level rotation is realized through the first bevel gear and the second bevel gear set.
[0014] Preferably, the bending mechanism comprises a support frame, a positioning rod, a second spring, an air cylinder, a mounting plate, a threaded groove and a punching end, one side of the surface of the punching table is fixedly connected with a support frame, one end of the punching table is fixedly connected with a positioning rod, one end of the punching table is connected with a second spring, one side of the surface of the support frame is provided with an air cylinder, the other side of the air cylinder is connected with a mounting plate, one end of the mounting plate is provided with a threaded groove, and the inner part of the threaded groove is threadedly connected with a punching end.
[0015] Preferably, the other side of the positioning rod is connected with the support frame, and the second spring is arranged outside the positioning rod.
[0016] Preferably, the mounting plate is fitted with the positioning rod around, and the other side of the second spring is connected with the mounting plate.
[0017] Preferably, the air cylinder is provided with two groups, and the mounting plate and the support frame constitute a mutual sliding structure through the air cylinder.
[0018] The utility model discloses an advantageous effect:
[0019] 1. Through the clamping mechanism and the bending mechanism, the clamping mechanism can be quickly clamped and released when the workpiece is positioned, and the user can adjust the clamping force according to the size and processing requirement of different workpieces to adapt to different specifications of workpieces, so that the workpiece damage caused by excessive clamping or the processing failure caused by unstable clamping can be avoided, the efficient cooperation makes the whole processing process more smooth, reduces the operation time and the processing period of the workpiece, and improves the production efficiency.
[0020] 2. Through the bending mechanism, the cylinder of the bending mechanism can provide adjustable driving force through the adjustment of air pressure and stroke, can flexibly adapt to workpieces of different materials and thicknesses, and meets various processing requirements, and meanwhile, the stamping end can be used for different types of bending work through the design of the threaded groove, and the adaptability of the mechanism is improved. DRAWINGS
[0021] The utility model will be further explained in detail in combination with the drawings and specific embodiment.
[0022] Figure 1 It is the front view cross section structure schematic diagram of the utility model;
[0023] Figure 2 It is the partial cross section exploded structure schematic diagram of the clamping mechanism of the utility model;
[0024] Figure 3 It is the partial cross section exploded structure schematic diagram of the bending mechanism of the utility model;
[0025] Figure 4 It is the Figure 2 Enlarged structure schematic diagram of A place in the utility model;
[0026] Figure 5 It is the Figure 3 Enlarged structure schematic diagram of B place in the utility model.
[0027] In the drawing: 1, stamping table; 2, clamping mechanism; 201, recess; 202, second installation slot; 203, connecting slot; 204, threaded rod; 205, auxiliary rod; 206, first spring; 207, first bevel gear; 208, sliding sleeve; 209, second bevel gear set; 210, clamping plate; 211, motor; 3, bending mechanism; 301, support frame; 302, positioning rod; 303, second spring; 304, cylinder; 305, mounting plate; 306, threaded groove; 307, stamping end. SPECIFIC EMBODIMENT
[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.
[0029] Embodiment 1
[0030] The utility model provides a subway segment bolt bending frock's preferable implementation such as Figures 1 to 5 As shown in the figure: a subway segment bolt bending frock, including punch bench 1 and clamping mechanism 2, the surface one side of punch bench 1 is provided with clamping mechanism 2, and one end of punch bench 1 is provided with bending mechanism 3;
[0031] Clamping mechanism 2 includes groove 201, second installation slot 202, connecting groove 203, threaded rod 204, auxiliary rod 205, first spring 206, first bevel gear 207, sliding sleeve 208, second bevel gear set 209, clamping plate 210 and motor 211, the surface one side of punch bench 1 is provided with groove 201, and the both sides of groove 201 are provided with second installation slot 202, and the surface of groove 201 is provided with connecting groove 203, and the inside of second installation slot 202 is embedded with threaded rod 204, and the both sides of connecting groove 203 are fixedly connected with auxiliary rod 205, and one end of connecting groove 203 is fixedly connected with first spring 206, and one side of threaded rod 204 is fixedly connected with first bevel gear 207, and the surface of threaded rod 204 is threadedly connected with sliding sleeve 208, and the surface of first bevel gear 207 is engaged with second bevel gear set 209, and one end of sliding sleeve 208 is fixedly connected with clamping plate 210, and one end of second bevel gear set 209 is connected with motor 211, when needing to clamp workpiece, motor 211 starts, drives second bevel gear set 209 to rotate, and then drives the first bevel gear 207 that is engaged with it to rotate, the rotation of first bevel gear 207 will drive threaded rod 204 to rotate, because sliding sleeve 208 is connected with threaded rod 204 by thread, when threaded rod 204 rotates, sliding sleeve 208 will move along the axial direction of threaded rod 204, sliding sleeve 208 is guided by auxiliary rod 205, ensures that it does not deviate during sliding, thereby adapting to the pipe bolt of different lengths, then by the both ends of the subway segment bolt of corresponding length and size are placed in the embedded groove in clamping plate 210, namely the placement work is completed, the outside of auxiliary rod 205 is provided with first spring 206, one end of first spring 206 is fixed in connecting groove 203, and the other end is connected with sliding sleeve 208, when bending mechanism 3 operates, first spring 206 provides elastic force, avoids that the pressure is directly applied to the clamped threaded rod 204 when the bolt is bent, thereby aggravating the wear of threaded rod 204.
[0032] In the embodiment, the main body of the sliding sleeve 208 is embedded in the recess 201, one side of the sliding sleeve 208 is embedded in the connecting groove 203, the sliding sleeve 208 is embedded in the recess 201 and guided by the auxiliary rod 205, which ensures that the sliding sleeve 208 always remains stable and does not deviate from the predetermined track when moving along the threaded rod 204. The embedding of the sliding sleeve 208 and the auxiliary rod 205 enables precise linear sliding, ensuring the movement accuracy of the clamping plate 210.
[0033] In the embodiment, the auxiliary rod 205 is provided with four groups in the connecting groove 203 and is distributed at equal intervals. The auxiliary rod 205 is embedded in the sliding sleeve 208, is installed on both sides of the connecting groove 203, and is distributed at equal intervals around the sliding sleeve 208. The embedding of the auxiliary rod 205 in the sliding sleeve 208 provides effective guidance for the sliding sleeve 208, ensuring that the sliding sleeve 208 remains parallel and stable without rotating or tilting when moving along the threaded rod 204, thereby ensuring the accuracy and stability of the clamping plate 210 when clamping workpieces. At the same time, the auxiliary rod 205 provides support for the sliding sleeve 208, especially when the sliding sleeve 208 is clamped by external force. The auxiliary rod 205 can help share part of the load, preventing the sliding sleeve 208 from deforming or deviating due to external force, thereby enhancing the structural rigidity and durability of the entire mechanism.
[0034] In the embodiment, the first spring 206 is provided outside the auxiliary rod 205, and the other side of the first spring 206 is connected to the sliding sleeve 208. The first spring 206 is sleeved outside the auxiliary rod 205 and connected to the sliding sleeve 208. The auxiliary rod 205 provides stable support for the spring, enabling the spring to effectively provide a buffering effect when bent and pressed, avoiding the direct action of force on the threaded rod 204 to intensify the wear of the core components, and effectively reducing the impact force.
[0035] In the embodiment, the first bevel gear 207 and the second bevel gear set 209 are both provided inside the second mounting groove 202, one side of the second mounting groove 202 penetrates the stamping table 1, and the second mounting groove 202 embeds the threaded rod 204, the first bevel gear 207, and the second bevel gear set 209. It provides a fixed position for these transmission components, ensuring that the threaded rod 204, the bevel gears, and the motor 211 can be stably installed on the stamping table 1. Through the second mounting groove 202, the transmission mechanism can work stably, preventing the components from shifting or loosening during operation.
[0036] In the embodiment, the sliding sleeve 208 forms a mutual sliding structure with the threaded rods 204 through the first bevel gear 207, the second bevel gear set 209 and the motor 211, the threaded rods 204 are provided in two groups and are realized to rotate at the same level through the first bevel gear 207 and the second bevel gear set 209, the first bevel gear 207 and the second bevel gear set 209 transmit the rotating power of the motor 211 through combination, the motor 211 drives the second bevel gear set 209 to rotate, and the second bevel gear set 209 meshes with the first bevel gear 207 to transmit the rotating power of the motor 211 to the threaded rods 204, since the bevel gears can change the direction of transmission, they make the horizontal rotation of the motor 211 into the axial rotation of the threaded rods 204, and realize power steering.
[0037] Embodiment 2
[0038] On the basis of embodiment 1, the better implementation of the subway segment bolt bending tool provided by the utility model like Figures 1 to 5 As shown: the bending mechanism 3 includes a support frame 301, a positioning rod 302, a second spring 303, a cylinder 304, a mounting plate 305, a threaded groove 306 and a stamping end 307, the surface one side of the support frame 301 is fixedly connected with the stamping table 1, one end of the stamping table 1 is fixedly connected with the positioning rod 302, one end of the stamping table 1 is connected with the second spring 303, the surface one side of the support frame 301 is installed with the cylinder 304, the other side of the cylinder 304 is connected with the mounting plate 305, one end of the mounting plate 305 is provided with the threaded groove 306, the threaded groove 306 is internally screwed with the stamping end 307, after the clamping mechanism 2 clamps the workpiece, the bending mechanism 3 starts to work, first, the appropriate stamping end 307 is selected according to the size of the workpiece, and the stamping end 307 is always ensured to be in the pressing alignment state with the bolt through the specific rotation degree of the threaded groove 306, the cylinder 304 is started, the mounting plate 305 is pushed to slide along the support frame 301, the sliding direction of the mounting plate 305 is parallel to the positioning rod 302, and the stability of the movement is ensured, since the mounting plate 305 is connected with the stamping end 307 through the threaded groove 306, therefore the movement of the mounting plate 305 drives the stamping end 307 to bend the workpiece, finally, the second spring 303 plays a buffering role outside the positioning rod 302, and the stability and precision in the stamping process are ensured.
[0039] In the embodiment, the other side of the positioning rod 302 is connected with the support frame 301, the second spring 303 is arranged outside the positioning rod 302, one end of the positioning rod 302 is fixed on the stamping table 1, and the other end is connected with the support frame 301, which plays a supporting role in the whole bending mechanism 3, helps to keep the stability of the mounting plate 305 and the stamping end 307, ensures that the components of the bending mechanism 3 can keep correct positions and relative relationship during work, avoids displacement or deviation, and at the same time, the positioning rod 302 is embedded around the mounting plate 305 as a guide component during sliding, the cylinder 304 drives the mounting plate 305 to move stably along the direction of the positioning rod 302, ensures that the mounting plate 305 keeps linear motion during stamping or bending operation, does not tilt or deviate, and guarantees the precision and consistency of processing.
[0040] In the embodiment, the mounting plate 305 is embedded around the positioning rod 302, the other side of the second spring 303 is connected with the mounting plate 305, the second spring 303 is arranged outside the positioning rod 302, one end is connected with the stamping table 1, and the other end is connected with the mounting plate 305, after the bending mechanism 3 completes work, the second spring 303 restores the mounting plate 305 to the initial position through the elastic action of itself, ensures that the bending mechanism 3 can be automatically reset after each operation, keeps the working continuity and high efficiency of the equipment, and the second spring 303 plays a buffering role during stamping or bending.
[0041] In the embodiment, the cylinder 304 is provided with two groups, the mounting plate 305 and the support frame 301 constitute a mutual sliding structure through the cylinder 304, the cylinder 304 is a main driving component of the bending mechanism 3, the mounting plate 305 moves stably along the support frame 301 and the positioning rod 302 through the extension and retraction movement of the cylinder 304, when the cylinder 304 extends, the mounting plate 305 moves to the workpiece, and drives the stamping end 307 to perform bending or stamping operation; when the cylinder 304 retracts, the mounting plate 305 returns to the initial position, and the linear driving ensures the high efficiency of the bending mechanism 3.
[0042] The working principle and use process of the utility model are as follows: when the workpiece needs to be clamped, the motor 211 is started, the second bevel gear set 209 is driven to rotate, and the first bevel gear 207 meshing with the second bevel gear set 209 is driven to rotate, the rotation of the first bevel gear 207 drives the threaded rod 204 to rotate, since the sliding sleeve 208 is connected with the threaded rod 204 through the thread, when the threaded rod 204 rotates, the sliding sleeve 208 moves along the axial direction of the threaded rod 204, the sliding sleeve 208 is guided through the auxiliary rod 205, and the deviation in the sliding process is avoided, so that the pipe bolt of different lengths is adapted, then the two ends of the subway pipe bolt of the corresponding length and size are placed into the embedded groove in the clamping plate 210, and the placing work is completed, the first spring 206 is installed outside the auxiliary rod 205, one end of the first spring 206 is fixed in the connecting groove 203, the other end is connected with the sliding sleeve 208, and the first spring 206 provides the elastic force when the bending mechanism 3 operates, so that the pressure of the bolt in the bending process is not directly applied to the clamped threaded rod 204, and the abrasion of the threaded rod 204 is avoided, after the clamping mechanism 2 clamps the workpiece, the bending mechanism 3 starts to work, first, the appropriate stamping end 307 is selected according to the size of the workpiece, and the stamping end 307 is always kept in the pressing alignment state with the bolt through the thread groove 306 of the specific rotation degree, the cylinder 304 is started, the mounting plate 305 is pushed to slide along the support frame 301, the sliding direction of the mounting plate 305 is parallel to the positioning rod 302, and the movement stability is ensured, since the mounting plate 305 is connected with the stamping end 307 through the thread groove 306, the movement of the mounting plate 305 drives the stamping end 307 to bend the workpiece, finally, the second spring 303 plays a buffering role outside the positioning rod 302, and the stability and precision in the stamping process are ensured.
[0043] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A subway segment bolt bending tool, characterized in that: It comprises a punching platform (1) and a clamping mechanism (2), wherein the clamping mechanism (2) is provided on one side of the surface of the punching platform (1), and a bending mechanism (3) is provided at one end of the punching platform (1); The clamping mechanism (2) comprises a groove (201), a second mounting groove (202), a connecting groove (203), a threaded rod (204), an auxiliary rod (205), a first spring (206), a first bevel gear (207), a sliding sleeve (208), a second bevel gear set (209), a clamping plate (210) and a motor (211). The surface of the punching table (1) is provided with a groove (201) on one side, the second mounting groove (202) is provided on both sides of the groove (201), the surface of the groove (201) is provided with a connecting groove (203), and the inner side of the second mounting groove (202) is provided with a connecting groove (203). A threaded rod (204) is embedded therein, auxiliary rods (205) are fixedly connected to both sides of the connecting groove (203), one end of the connecting groove (203) is fixedly connected to a first spring (206), one side of the threaded rod (204) is fixedly connected to a first bevel gear (207), a sliding sleeve (208) is threadedly connected to the surface of the threaded rod (204), a second bevel gear set (209) is meshed with the surface of the first bevel gear (207), one end of the sliding sleeve (208) is fixedly connected to a clamping plate (210), and one end of the second bevel gear set (209) is connected to a motor (211).
2. The subway segment bolt bending tool according to claim 1, characterized in that: The main body of the sliding sleeve (208) is embedded in the interior of the groove (201), and one side of the sliding sleeve (208) is embedded in the interior of the connecting groove (203).
3. The subway segment bolt bending tool according to claim 1, characterized in that: Four groups of auxiliary rods (205) are provided in the connection groove (203) and are distributed at equal intervals. The auxiliary rods (205) are embedded in the interior of the sliding sleeve (208).
4. The subway segment bolt bending tool according to claim 1, characterized in that: The first spring (206) is arranged outside the auxiliary rod (205), and the other side of the first spring (206) is connected to the sliding sleeve (208).
5. The subway segment bolt bending tool according to claim 1, characterized in that: The first bevel gear (207) and the second bevel gear set (209) are both arranged inside the second mounting groove (202), and one side of the second mounting groove (202) passes through the stamping platform (1).
6. The subway segment bolt bending tool according to claim 1, characterized in that: The sliding sleeve (208) forms a mutually sliding structure with the threaded rod (204) through the first bevel gear (207), the second bevel gear set (209) and the motor (211); the threaded rod (204) is provided with two sets, and the first bevel gear (207) and the second bevel gear set (209) realize the same-level rotation.
7. The subway segment bolt bending tool according to claim 1, characterized in that: The bending mechanism (3) comprises a support frame (301), a positioning rod (302), a second spring (303), a cylinder (304), a mounting plate (305), a threaded groove (306) and a punching end (307); one side of the surface of the punching table (1) is fixedly connected to the support frame (301); one end of the punching table (1) is fixedly connected to the positioning rod (302); one end of the punching table (1) is connected to the second spring (303); one side of the surface of the support frame (301) is mounted with a cylinder (304); the other side of the cylinder (304) is connected to the mounting plate (305); one end of the mounting plate (305) is provided with a threaded groove (306); the internal thread of the threaded groove (306) is connected to the punching end (307).
8. The subway segment bolt bending tool according to claim 7, characterized in that: The other side of the positioning rod (302) is connected to the support frame (301), and the second spring (303) is arranged on the outside of the positioning rod (302).
9. The subway segment bolt bending tool according to claim 7, characterized in that: Positioning rods (302) are embedded around the four sides of the mounting plate (305), and the other side of the second spring (303) is connected to the mounting plate (305).
10. The subway segment bolt bending tool according to claim 7, characterized in that: The cylinders (304) are provided in two groups, and the mounting plate (305) forms a mutually sliding structure with the support frame (301) through the cylinders (304).
Citation Information
Patent Citations
Bolt bending tool for subway segment
CN216064996U