Simple fixture for forklift hub drilling
By designing a simple jig for drilling holes in forklift wheel hubs, multiple sets of holes can be quickly fixed using support, limiting, and pressing components. This solves the problem of low processing efficiency of forklift wheel hubs on vertical machining centers, improves processing efficiency, and reduces operational difficulty.
Patent Information
- Application Number
- CN202520297342.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-24
AI Technical Summary
When machining forklift wheel hubs on a vertical machining center, the drilling of multiple sets of holes is inefficient, requiring frequent alignment and clamping operations, resulting in low machining efficiency.
A simple jig for drilling forklift wheel hubs was designed, including a support component, an alignment component, a rotation component, and a pressing component. It can complete the machining preparation of multiple sets of holes at one time, and fix the wheel hub by supporting, limiting, and pressing, thereby reducing alignment time.
It greatly improves processing efficiency, reduces the labor intensity of operators, simplifies the operation process, and improves overall processing efficiency.
Smart Images

Figure CN223888994U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fork truck technical field especially relates to fork truck wheel hub drilling simple fixture. BACKGROUND
[0002] Fork truck wheel hub is processed on vertical processing center, and the processing content is drilling, and multiple groups of holes are distributed on the circumferential surface, the workpiece is placed on the workbench surface, and after the table is found, the pressing plate is pressed tightly to process, because the table is found one group by one group of holes, the processing efficiency is very low. UTILITY MODEL CONTENT
[0003] The utility model aims at solving one of the technical problems in the prior art at least to some extent, for this purpose, one purpose of the utility model is to provide fork truck wheel hub drilling simple fixture, can complete the processing preparation work of multiple groups of holes at one time, greatly reduces the time of finding, effectively improves the overall processing efficiency.
[0004] According to the fork truck wheel hub drilling simple fixture provided by the utility model, the top of the bottom plate is fixed with the supporting assembly for supporting the wheel hub, the top of the bottom plate is fixed with the rotating assembly and the alignment assembly respectively on the left and right ends, and the top of the bottom plate is fixed with the extrusion assembly for extruding the wheel hub.
[0005] Preferably, the supporting assembly comprises a first support, a rotating shaft is movably connected in the first support, and a roller is sleeved on the outer surface of the rotating shaft.
[0006] Preferably, the alignment assembly comprises a second support, a rotating protractor is movably connected to one end of the second support, a connecting plate is fixed to one end of the rotating protractor, an L-shaped plate is movably connected in the connecting plate, a second spring is arranged between the L-shaped plate and the connecting plate, a pin is fixed to the top of one end of the L-shaped plate, and a plug pin is inserted into the other end of the second support.
[0007] Preferably, the rotating assembly comprises a third support, a supporting rod is movably fixed to the third support, a bearing is fixed to the outer surface of the supporting rod, and a second nut is threadedly connected to one end of the supporting rod.
[0008] Preferably, the extrusion assembly comprises a screw rod, a pressing plate penetrates through the top of the screw rod, a first nut is threadedly connected to the top of the screw rod, a first spring is arranged on the surface of the screw rod and located at the bottom of the pressing plate, and a top rod is fixed to the top of the bottom plate.
[0009] Preferably, lifting screws are fixed to the top of the four corners of the bottom plate, positioning keys are arranged on the left and right ends of the bottom plate, and a pair of open grooves are arranged on the left and right ends of the bottom plate.
[0010] Preferably, the rotary index plate surface is circularly arrayed with a plurality of rotary index plates for alignment.
[0011] The beneficial effects in the utility model are:
[0012] 1. Through the support and positioning of the support assembly, the alignment assembly, the rotating assembly and the extrusion assembly, the machining preparation work of multiple groups of holes can be completed at one time, the alignment time is greatly reduced, and the overall machining efficiency is effectively improved.
[0013] 2. The operator does not need to frequently perform meter alignment and plate pressing and other tedious operations, but only needs to place the hub on the support assembly and simply extrude and fix, so that the machining preparation work can be completed, the labor intensity of the operator is effectively reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model provides a forklift hub drilling simple fixture's three-dimensional structure schematic diagram.
[0015] Figure 2 The utility model provides a forklift hub drilling simple fixture's fixture structure schematic diagram.
[0016] Figure 3 The utility model provides a forklift hub drilling simple fixture's support assembly structure schematic diagram.
[0017] Figure 4 The utility model provides a forklift hub drilling simple fixture's alignment assembly structure schematic diagram.
[0018] Figure 5 The utility model provides a forklift hub drilling simple fixture's rotating assembly structure schematic diagram.
[0019] Figure 6 The utility model provides a forklift hub drilling simple fixture's connecting plate internal structure schematic diagram.
[0020] In the drawing: 1, bottom plate, 2, support assembly, 3, alignment assembly, 4, rotating assembly, 5, pressing plate, 6, first nut, 7, first spring, 8, screw rod, 9, jacking rod, 10, hoisting screw, 11, positioning key, 12, hub, 23, roller, 24, rotating shaft, 25, first support, 31, connecting plate, 32, L-shaped plate, 34, rotary index plate, 35, bolt, 36, second support, 37, second spring, 38, lock pin, 43, bearing, 44, second nut, 45, support rod, 46, third support. DETAILED DESCRIPTION
[0021] Refer to Figures 1-6The simple fixture for drilling forklift wheel hub 12 comprises a bottom plate 1 and a wheel hub 12, and the top of the bottom plate 1 is fixed with a support assembly 2 for supporting the wheel hub 12 at both ends, which can support the wheel hub 12 and facilitate the rotation of the wheel hub 12, and the top of the bottom plate 1 is fixed with a rotating assembly 4 and an alignment assembly 3 for limiting the rotation of the wheel hub 12 at both ends, and the wheel hub 12 is fixed and limited by the rotating assembly 4 and the support assembly 2, and the top of the bottom plate 1 is fixed with an extrusion assembly for extruding the wheel hub 12, which can prevent the wheel hub 12 from deviating during processing.
[0022] The support assembly 2 comprises a first support 25, the inside of the first support 25 is movably connected with a rotating shaft 24, the outer surface of the rotating shaft 24 is sleeved with a roller 23, the forklift wheel hub 12 to be processed is placed on the support assembly 2, so that the circumferential surface of the wheel hub 12 is in contact with the roller 23 of the support assembly 2, and the wheel hub 12 can rotate smoothly. At this time, the support assembly 2 can adapt to the rotation demand of the wheel hub 12, and the setting of the roller 23 further reduces the friction resistance when the wheel hub 12 rotates.
[0023] The alignment assembly 3 comprises a second support 36, one end of the second support 36 is movably connected with a rotary protractor 34, one end of the rotary protractor 34 is fixed with a connecting plate 31, the inside of the connecting plate 31 is movably connected with an L-shaped plate 32, a second spring 37 is arranged between the inside of the L-shaped plate 32 and the inside of the connecting plate 31, one end of the L-shaped plate 32 is fixed with a pin 38 at the top, the other end of the second support 36 is inserted with a pin 35, one side of the wheel hub 12 is tightly attached to the connecting plate 31 at this time, the tooth groove of the wheel hub 12 is in contact with the pin 38, the wheel hub 12 extrudes the L-shaped plate 32 through its own weight, and the L-shaped plate 32 extrudes the second spring 37 to compress it, at this time, the pin 38 is always tightly attached to the tooth groove of the wheel hub 12 through the self-action of the second spring 37, and the wheel hub 12 is rotated by rotating the rotary protractor 34 to drive the connecting plate 31, at this time, the rotary protractor 34 is fixed by inserting the pin 35 into the hole of the rotary protractor 34, so as to realize the reduction of the processing alignment time.
[0024] The rotating assembly 4 comprises a third support 46, the third support 46 is movably fixed with a support rod 45, the outer surface of the support rod 45 is fixed with a bearing 43, one end of the support rod 45 is threadedly connected with a second nut 44, the inner wall of the wheel hub 12 is attached to the bearing 43, and the rotation of the wheel hub 12 can be realized through the bearing 43.
[0025] The extrusion assembly includes a screw 8, with a pressure plate 5 passing through the top of the screw 8. A first nut 6 is threaded onto the top of the screw 8. A first spring 7 is located at the bottom of the pressure plate 5 on the surface of the screw 8. A top rod 9 is fixed to the top of the base plate 1. By rotating the first nut 6 clockwise, the pressure plate 5 is compressed and moved. The movement of the pressure plate 5 compresses the first spring 7. As the first nut 6 rotates, the pressure plate 5 presses and fixes the hub 12. The top rod 9 can support the pressure plate 5. At the same time, when the first nut 6 is rotated counterclockwise, the first spring 7 drives the pressure plate 5 to move upward through its own action.
[0026] Lifting screws 10 are fixed at the four corners of the top of the base plate 1. Positioning keys 11 are provided at both ends of the base plate 1, and a pair of open slots are provided at both ends of the base plate 1. The reverse side of the fixture base plate 1 has a concave surface to reduce the contact area. The base plate 1 is fixed to the machine tool worktable slot by two positioning keys 11. The other four open U-shaped slots are tightened by screws 8 and pressure plates 5, and the base plate 1 can be easily lifted by lifting screws 10.
[0027] In use, the base plate 1 is fixed to the machine tool worktable groove by two positioning keys 11, and is pressed by the threaded screws 8 through the other four open U-shaped slots. At this time, the hub 12 is placed on top of the support assembly 2, so that the right end of the hub 12 is in contact with the connecting plate 31, and the tooth groove of the hub 12 is in contact with the locking pin 38. The hub 12 compresses the L-shaped plate 32 by its own weight, and the L-shaped plate 32 compresses the second spring 37. At this time, the locking pin 38 is kept in close contact with the tooth groove of the hub 12 by the action of the second spring 37. Then, the pressure plate 5 is compressed by rotating the first nut 6 clockwise. The movement of the pressure plate 5 compresses the first spring 7, and the rotation of the first nut 6 causes the pressure plate 5 to press and fix the hub 12. At this time, the hub 12 can be processed. When the next set is needed, the pin 35 is pulled out and the rotating indexing plate 34 is rotated. The rotation of the rotating indexing plate 34 drives the connecting plate 31 and the hub 12 to rotate, so that the hub 12 rotates to the next set of drilling positions. At this time, the pin 35 is inserted into the hole of the rotating indexing plate 34 to complete the fixing of the hub 12. The above steps are repeated to complete the drilling of the hub 12. At this time, the first nut 6 is rotated counterclockwise to remove the hub 12 after drilling.
Claims
1. A simple jig for drilling holes in forklift wheel hubs, characterized in that: The base plate (1) includes a base plate (1) and a hub (12). Support components (2) for supporting the hub (12) are fixed at both the front and rear ends of the top of the base plate (1). Rotation components (4) and alignment components (3) are fixed at the left and right ends of the top of the base plate (1) respectively. An extrusion component for extruding the hub (12) is fixed at the top of the base plate (1).
2. The simple jig for drilling forklift wheel hubs according to claim 1, characterized in that: The support assembly (2) includes a first bracket (25), and a rotating shaft (24) is movably connected inside the first bracket (25). A roller (23) is sleeved on the outer surface of the rotating shaft (24).
3. The simple jig for drilling forklift wheel hubs according to claim 1, characterized in that: The alignment component (3) includes a second bracket (36), one end of which is movably connected to a rotating indexing plate (34), one end of which is fixed to a connecting plate (31), and the interior of the connecting plate (31) is movably connected to an L-shaped plate (32). A second spring (37) is provided between the interior of the L-shaped plate (32) and the interior of the connecting plate (31). A locking pin (38) is fixed to the top of one end of the L-shaped plate (32), and a pin (35) is inserted into the other end of the second bracket (36).
4. The simple jig for drilling forklift wheel hubs according to claim 1, characterized in that: The rotating assembly (4) includes a third bracket (46), the third bracket (46) is fixed to a support rod (45), the outer surface of the support rod (45) is fixed with a bearing (43), and one end of the support rod (45) is threadedly connected to a second nut (44).
5. The simple jig for drilling forklift wheel hubs according to claim 1, characterized in that: The extrusion assembly includes a screw (8), a pressure plate (5) passing through the top of the screw (8), a first nut (6) threadedly connected to the top of the screw (8), a first spring (7) located at the bottom of the pressure plate (5) on the surface of the screw (8), and a top rod (9) fixed to the top of the base plate (1).
6. The simple jig for drilling forklift wheel hubs according to claim 1, characterized in that: The bottom plate (1) is fixed with lifting screws (10) at the top four corners, and positioning keys (11) are provided at the left and right ends of the bottom plate (1). A pair of opening slots are provided at the left and right ends of the bottom plate (1).
7. The simple jig for drilling forklift wheel hubs according to claim 3, characterized in that: The rotating indexing disk (34) has a circular array of several rotating indexing disks (34) for alignment.