Portal frame machining device for forklift
By combining the worm gear adjustment mechanism and the clamping plate, the problem of fixing the height of the clamping fixture is solved, achieving stable fixing and precise adjustment of the forklift mast, and improving processing accuracy and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-10
AI Technical Summary
In existing forklift mast processing devices, the clamping and fixing components have a fixed height, which may cause the bottom of the mast to come into contact with the worktable. This makes it difficult to adapt to the processing requirements of different masts, resulting in processing errors and instability.
By setting up a height adjustment mechanism that uses a worm gear to drive a gear and rack, combined with a clamping mechanism using a clamping plate and a telescopic spring, the height and position of the gantry can be adjusted to ensure stable fixation.
This improved processing accuracy and stability, avoided errors caused by height mismatch, and ensured processing quality and production efficiency.
Smart Images
Figure CN224101868U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the forklift mast processing technical field, especially, relate to a forklift mast processing device. BACKGROUND
[0002] As industrial transport vehicles, the working device of forklifts is mainly composed of inner and outer masts, and the mast generates a large overturning moment with the former bridge as the center during forklift mast picking and lifting operations, so the forklift mast is the most important force component in the work of the forklift.
[0003] Because the mast may have uneven conditions, during the fixing process, the bottom of the mast may contact the workbench or even cannot be installed due to the fixed height of most clamping fixtures, so it is difficult to process and punch different masts, and the limitation is greatly improved, and therefore the utility model provides a forklift mast processing device. UTILITY MODEL CONTENT
[0004] The utility model discloses a forklift mast processing device, rotates the worm drive gear and rotates, and drives the rack on both sides to adjust the height of the clamping plate, solves the problem that the height of most clamping fixtures is fixed, and the bottom of the mast may contact the workbench during fixing.
[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:
[0006] The utility model discloses a forklift mast processing device, including the detection platform, the detection platform is internally provided with interval adjusting subassembly, interval adjusting subassembly top is provided with height adjusting mechanism, height adjusting mechanism top is provided with clamping mechanism, the detection platform top is provided with the punching mechanism.
[0007] The height adjusting mechanism includes an adjusting box, the inner wall of the adjusting box is rotatably connected with a worm, the inner wall of the adjusting box is fixedly connected with a fixed plate, the inner wall of the fixed plate is rotatably connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a worm wheel, the outer surface of the rotating shaft is fixedly connected with a gear, the inner wall of the fixed plate is provided with a limiting groove two, and the inner wall of the limiting groove two is slidably connected with a rack.
[0008] Further, the worm wheel is engaged with the worm, the worm wheel is provided with two, and the rack is engaged with the gear.
[0009] Further, the interval adjusting subassembly includes a rotating block, the rotating block is fixedly connected with the bottom of the adjusting box, the inner wall of the rotating block is threadedly connected with a bidirectional threaded rod, and the outer surface of the bidirectional threaded rod is rotatably connected with the inner wall of the detection platform.
[0010] Further, the outer surface of the bidirectional threaded rod is rotationally connected with a fixed block, a limiting groove one is arranged in the inside of the detection table, and the inner wall of the limiting groove one is slidably connected with the outer surface of the rotating block.
[0011] Further, the outer wall of the bidirectional threaded rod is fixedly connected with a rotating disc, an insertion hole is arranged in the inside of the rotating disc, an insertion rod is slidably connected in the inside of the insertion hole, the outer surface of the insertion rod extends to the inside through the outer wall of the detection table, the inner wall of the rotating block is slidably connected with a limiting rod one, and the outer surface of the limiting rod one is fixedly connected with the inner wall of the fixed block.
[0012] Further, the clamping mechanism comprises a fixed table, the bottom of the fixed table is fixedly connected with the top of the rack, the inner wall of the fixed table is rotationally connected with a threaded rod one, and the outer surface of the threaded rod one is threadedly connected with a clamping plate.
[0013] Further, the inner wall of the clamping plate is slidably connected with a limiting rod two, the outer wall of the limiting rod two is fixedly connected with the inner wall of the fixed table, and the bottom of the clamping plate is fixedly connected with a fixed shell.
[0014] Further, the inner wall of the fixed shell is fixedly connected with a telescopic spring, the bottom of the telescopic spring is fixedly connected with a pressure receiving block, and the outer surface of the pressure receiving block is slidably connected with the inner wall of the fixed shell.
[0015] Further, the punching mechanism comprises a motor, the bottom output end of the motor is fixedly connected with a threaded rod two through a shaft coupling, the outer surface of the threaded rod two is rotationally connected with the inner wall of the detection table, the outer surface of the threaded rod two is threadedly connected with a sliding frame, the bottom of the sliding frame is fixedly connected with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected with a puncher, a limiting groove three is arranged in the inside of the detection table, and the inner wall of the puncher is slidably connected with the outer surface of the sliding frame.
[0016] The utility model has the following beneficial effects:
[0017] 1. When it is necessary to adjust the height of the portal frame, the worm can be rotated, then the worm drives the two side worm gears to rotate, then the worm gears drive the rotating shafts in the inside to rotate, then the rotating shafts drive the gears to rotate, at the moment, the gears drive the rack to slide in the limiting groove two, and drive the fixed table at the top of the rack to adjust upward, so that the height of the fixed table is accurately adjusted, and then the portal frame can be adjusted according to the requirements of different portal frames, so that the portal frame is stably fixed, the machining error caused by the mismatch of the height is avoided, the machining precision and stability are improved, and the machining quality is ensured.
[0018] 2, the utility model discloses a clamping plate is set, when fixing the both ends of portal frame finally, at the moment, the portal frame can be placed in the center point of both sides clamping plate and fixed platform, then rotate both sides screw rod no. 1, at the moment, screw rod no. 1 will rotate in the fixed platform interior and drive clamping plate to descend, simultaneously, clamping plate will slide on the surface of limiting rod no. 2, then clamping plate will drive multiple fixed shells and pressure blocks to contact with portal frame, at the moment, the pressure block contacted with portal frame will be extruded, then telescopic spring will drive pressure block to contract to the interior of fixed shell, when clamping plate tightly fixes portal frame on the inner wall of fixed platform, at the moment, the pressure block not compressed and fixed shell can fix the around of portal frame, can realize the stable fixation of portal frame, avoids the displacement or vibration due to the incompact fixation, to ensure the accuracy and stability in the punching process, improves production efficiency and reduces processing error.
[0019] Of course, it is not necessary for any product embodying the present utility model to achieve all of the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0021] Figure 1 It is the whole structure schematic diagram of the present utility model;
[0022] Figure 2 It is the limiting rod no. 2 structure schematic diagram of the present utility model;
[0023] Figure 3 It is the worm structure schematic diagram of the present utility model;
[0024] Figure 4 It is the bidirectional screw rod structure schematic diagram of the present utility model;
[0025] Figure 5 It is the explosion structure schematic diagram of the telescopic spring of the present utility model;
[0026] Figure 6 It is the screw rod no. 2 structure schematic diagram of the present utility model.
[0027] In the drawings, the component list represented by each sign is as follows:
[0028] 1, detection platform; 2, spacing adjustment assembly; 201, limit groove one; 202, two-way threaded rod; 203, fixed block; 204, rotating block; 205, rotating disc; 206, jack; 207, plug rod; 208, limit rod one; 3, height adjustment mechanism; 301, worm; 302, adjustment box; 303, fixed plate; 304, rotating shaft; 305, worm gear; 306, gear; 307, rack; 308, limit groove two; 4, clamping mechanism; 401, fixed platform; 402, threaded rod one; 403, limit rod two; 404, clamping plate; 405, fixed shell; 406, pressure block; 407, extension spring; 5, punching mechanism; 501, sliding frame; 502, hydraulic rod; 503, limit groove three; 504, threaded rod two; 505, motor, 506, punch. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] Please refer to Figures 1-6 The utility model discloses a fork truck mast machining device, including detection platform 1, detection platform 1 inside is provided with spacing adjustment assembly 2, spacing adjustment assembly 2 top is provided with height adjustment mechanism 3, height adjustment mechanism 3 top is provided with clamping mechanism 4, and detection platform 1 top is provided with punching mechanism 5.
[0031] The height adjusting mechanism 3 comprises an adjusting box 302, a worm 301 is rotationally connected to the inner wall of the adjusting box 302, the worm 301 can drive the two side worm gears 305 to rotate, thereby driving the two side rotating shafts 304 to rotate, and further driving the gear 306 to rotate, then the gear 306 drives the two side racks 307 to ascend and descend, thereby adjusting the height of the fixed table 401, and further greatly improving the flexibility and applicability of the equipment. The adjusting box 302 is fixedly connected with a fixed plate 303, the rotating shaft 304 is rotationally connected to the inner wall of the fixed plate 303, the rotating shaft 304 is fixedly connected with the worm gear 305 on the outer surface, the rotating shaft 304 is fixedly connected with the gear 306 on the outer surface, the inner wall of the fixed plate 303 is provided with a limiting groove two 308, the limiting groove two 308 can limit the straight-line horizontal movement of the rack 307 when the rack 307 moves, the inner wall of the limiting groove two 308 is slidably connected with the rack 307, the worm gear 305 is engaged with the worm 301, and the worm gear 305 is provided in two, the rack 307 is engaged with the gear 306, the interval adjusting assembly 2 comprises a rotating block 204, the rotating block 204 is fixedly connected to the bottom of the adjusting box 302, the rotating block 204 is threadedly connected with a bidirectional threaded rod 202 on the inner wall, and the outer surface of the bidirectional threaded rod 202 is rotationally connected to the inner wall of the detection table 1.
[0032] The outer surface of the bidirectional threaded rod 202 is rotationally connected with a fixed block 203, the bidirectional threaded rod 202 can drive the two side fixed tables 401 to adjust the interval, thereby making the equipment adapt to different door frame lengths, and further improving the flexibility of the equipment. The inner wall of the detection table 1 is provided with a limiting groove one 201, the limiting groove one 201 can limit the straight-line horizontal movement of the rotating block 204 when the bidirectional threaded rod 202 drives the rotating block 204 to move, the inner wall of the limiting groove one 201 is slidably connected to the outer surface of the rotating block 204, the outer wall of the fixed block 203 is fixedly connected to the inner wall of the limiting groove one 201, the outer wall of the bidirectional threaded rod 202 is fixedly connected with a rotating disc 205, the rotating disc 205 can drive the bidirectional threaded rod 202 to rotate by rotating, after the position of the fixed table 401 is adjusted, the insertion rod 207 can be inserted into the insertion hole 206, and then the fixed table 401 is fixed, the insertion hole 206 is formed in the rotating disc 205, the insertion rod 207 is slidably connected in the insertion hole 206, the outer surface of the insertion rod 207 extends to the inside through the outer wall of the detection table 1, the inner wall of the rotating block 204 is slidably connected with a limiting rod one 208, the limiting rod one 208 can limit the straight-line horizontal movement of the rotating block 204, the outer surface of the limiting rod one 208 is fixedly connected to the inner wall of the fixed block 203, the clamping mechanism 4 comprises the fixed table 401, the bottom of the fixed table 401 is fixedly connected with the top of the rack 307, the inner wall of the fixed table 401 is rotationally connected with a threaded rod one 402, and the outer surface of the threaded rod one 402 is threadedly connected with a clamping plate 404.
[0033] The inner wall of the clamping plate 404 is slidably connected with the limiting rod two 403. The threaded rod one 402 can be driven to rotate in the fixed table 401, so that the clamping plate 404 moves on the surface, and then the two sides of the gantry are fixed. The outer wall of the limiting rod two 403 is fixedly connected with the inner wall of the fixed table 401. The bottom of the clamping plate 404 is fixedly connected with the fixed shell 405. The inner wall of the fixed shell 405 is fixedly connected with the extension spring 407. The extension spring 407 cooperates with the pressure block 406 to clamp the gantry. The part of the pressure block 406 and the fixed shell 405 in contact with the gantry is fixed and limited, so that the position deviation is prevented, the stability of the gantry is greatly improved, and the punching accuracy is improved. The bottom of the extension spring 407 is fixedly connected with the pressure block 406. The outer surface of the pressure block 406 is slidably connected with the inner wall of the fixed shell 405. The punching mechanism 5 comprises a motor 505. The bottom output end of the motor 505 is fixedly connected with the threaded rod two 504 through a shaft coupling. The outer surface of the threaded rod two 504 is rotatably connected with the inner wall of the detection table 1. The outer surface of the threaded rod two 504 is threadedly connected with the sliding frame 501. The bottom of the sliding frame 501 is fixedly connected with the hydraulic rod 502. The hydraulic rod 502 can drive the puncher 506 to lift and punch the gantry. The bottom is fixedly connected with the puncher 506. The detection table 1 is provided with a limiting groove three 503 in the inside. The inner wall of the puncher 506 is slidably connected with the outer surface of the sliding frame 501.
[0034] One specific application of the embodiment is:
[0035] Before the gantry is punched, the distance between the two fixed tables 401 can be adjusted according to the size of the gantry. At this time, the rotating disc 205 is first rotated, and then the rotating disc 205 drives the bidirectional threaded rod 202 to rotate. Then the bidirectional threaded rod 202 drives the rotating block 204 on the surface to slide on the limiting rod one surface. Then the rotating block 204 drives the two fixed tables 401 on the top to move closer to each other. When adjusted to the appropriate position, the plug rod 207 can be inserted into the plug hole 206 to fix it, thereby effectively improving the operation precision and convenience.
[0036] When the height of the fixed table 401 needs to be adjusted, the worm 301 can be rotated at this time. Then the worm 301 drives the two side worm gears 305 to rotate. Then the worm gear 305 drives the rotating shaft 304 in the inside to rotate. Then the rotating shaft 304 drives the gear 306 to rotate. At this time, the gear 306 drives the rack 307 to slide in the limiting groove two 308, and drives the fixed table 401 on the top of the rack 307 to adjust upward, so as to realize the height adjustment of the fixed table 401, and then the requirements of different gantries can be adjusted to ensure the stable fixation of the gantry, so as to avoid the machining error caused by the mismatch of the concave-convex part of the gantry, improve the machining precision and stability, and ensure the machining quality.
[0037] Finally, when the door frame is fixed at both ends, the door frame can be placed at the center point of the clamping plate 404 and the fixed table 401, and then the threaded rod one 402 is rotated, at which time the threaded rod one 402 rotates inside the fixed table 401 and drives the clamping plate 404 to descend, and at the same time the clamping plate 404 slides on the surface of the limiting rod two 403, and then the clamping plate 404 drives the plurality of fixed shells 405 and the pressure blocks 406 to contact the door frame, at which time the pressure blocks 406 in contact with the door frame are extruded, and at the same time the extension springs 407 are compressed, and then the extension springs 407 drive the pressure blocks 406 to retract into the fixed shells 405, when the clamping plate 404 tightly fixes the door frame on the inner wall of the fixed table 401, at which time the pressure blocks 406 and the fixed shells 405 that are not compressed fix the door frame around, preventing the position from shifting during the punching process, thereby realizing stable fixation of the door frame and ensuring punching precision and stability, when the fixation is completed, the motor 505 can be started, and then the motor 505 drives the sliding frame 501 to slide on the inner wall of the limiting groove three 503, thereby moving inside the detection table 1, and the hydraulic rod 502 drives the puncher 506 to punch the door frame at different positions.
[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.
Claims
1. A forklift mast machining device, comprising a detection table (1), wherein a spacing adjusting assembly (2) is arranged inside the detection table (1), a height adjusting mechanism (3) is arranged on the top of the spacing adjusting assembly (2), a clamping mechanism (4) is arranged on the top of the height adjusting mechanism (3), and a punching mechanism (5) is arranged on the top of the detection table (1), characterized in that ； The height adjusting mechanism (3) comprises an adjusting box (302), the inner wall of the adjusting box (302) is rotationally connected with a worm (301), the inner part of the adjusting box (302) is fixedly connected with a fixed plate (303), the inner wall of the fixed plate (303) is rotationally connected with a rotating shaft (304), the outer surface of the rotating shaft (304) is fixedly connected with a worm wheel (305), the outer surface of the rotating shaft (304) is fixedly connected with a gear (306), the inner wall of the fixed plate (303) is provided with a limiting groove two (308), and the inner wall of the limiting groove two (308) is slidably connected with a rack (307).
2. The mast processing device for a fork lift truck according to claim 1, characterized by The worm wheel (305) is meshed with the worm (301), and the worm wheel (305) is provided with two.
3. The mast processing device for a fork lift truck according to claim 1, characterized by The spacing adjusting assembly (2) comprises a rotating block (204), the top of the rotating block (204) is fixedly connected with the bottom of the adjusting box (302), the inner wall of the rotating block (204) is threadedly connected with a bidirectional threaded rod (202), and the outer surface of the bidirectional threaded rod (202) is rotationally connected with the inner wall of the detection table (1).
4. The mast processing device for a fork lift truck according to claim 3, characterized by The outer surface of the bidirectional threaded rod (202) is rotationally connected with a fixed block (203), the inner part of the detection table (1) is provided with a limiting groove one (201), the inner wall of the limiting groove one (201) is slidably connected with the outer surface of the rotating block (204), and the outer wall of the fixed block (203) is fixedly connected with the inner wall of the limiting groove one (201).
5. The mast machining apparatus for a fork lift truck according to claim 4, wherein The outer wall of the bidirectional threaded rod (202) is fixedly connected with a rotating disc (205), the inner part of the rotating disc (205) is provided with a bushing (206), the inner part of the bushing (206) is slidably connected with a plug rod (207), the outer surface of the plug rod (207) extends to the inner part of the detection table (1) through the outer wall, the inner wall of the rotating block (204) is slidably connected with a limiting rod one (208), and the outer surface of the limiting rod one (208) is fixedly connected with the inner wall of the fixed block (203).
6. The mast machining apparatus for a fork truck of claim 5 wherein, The clamping mechanism (4) comprises a fixed table (401), the bottom of the fixed table (401) is fixedly connected with the top of the rack (307), the inner wall of the fixed table (401) is rotationally connected with a threaded rod one (402), and the outer surface of the threaded rod one (402) is threadedly connected with a clamping plate (404).
7. The mast machining apparatus of claim 6, wherein, The inner wall of the clamping plate (404) is slidably connected with a limiting rod two (403), the outer wall of the limiting rod two (403) is fixedly connected with the inner wall of the fixed table (401), and the bottom of the clamping plate (404) is fixedly connected with a fixed shell (405).
8. The mast machining apparatus of claim 7, wherein, The inner wall of the fixed shell (405) is fixedly connected with a telescopic spring (407), the bottom of the telescopic spring (407) is fixedly connected with a pressure receiving block (406), and the outer surface of the pressure receiving block (406) is slidably connected with the inner wall of the fixed shell (405).
9. The mast machining apparatus of claim 1, wherein, Said punching mechanism (5) including motor (505), the bottom output of motor (505) is fixedly connected with threaded rod two (504) through the shaft coupling, the outer surface of threaded rod two (504) is rotatably connected with the inner wall of detection platform (1), the outer surface of threaded rod two (504) is threadedly connected with sliding frame (501), the bottom of sliding frame (501) is fixedly connected with hydraulic rod (502), the bottom of hydraulic rod (502) is fixedly connected with punch (506), the inside of detection platform (1) is provided with limit groove three (503), the inner wall of punch (506) is slidably connected with the outer surface of sliding frame (501).