Arc milling machining positioning tool for bicycle upper fork pipe fitting

Abstract

The utility model relates to a bicycle upper fork pipe fitting arc milling machining positioning tool which comprises a positioning table and further comprises a fork leg positioning mechanism which comprises a fork leg positioning plate, the fork leg positioning plate is arranged on the top of the positioning table in a sliding mode, a pair of clamping plates is arranged on the top of the fork leg positioning plate in a sliding mode, and a driving mechanism for driving the clamping plates to slide is arranged on the fork leg positioning plate. The pair of fork legs are arranged on the positioning table and are clamped and fixed through the clamping plates on the fork leg positioning mechanisms; the fork shoulder positioning mechanism comprises a fork shoulder positioning block, the fork shoulder positioning block is arranged at the top of the positioning table in a sliding mode, a positioning groove matched with the fork shoulder is formed in the top of the fork shoulder positioning block, a pair of pressing mechanisms is arranged at the top of the fork shoulder positioning block, and the fork shoulder is arranged in the positioning groove and is pressed and fixed through the pressing mechanisms; and the locking mechanisms are respectively arranged on the fork leg positioning mechanism and the fork shoulder positioning mechanism. A pair of fork legs can be conveniently positioned at the same time, the machining efficiency is improved, meanwhile, multi-point positioning can be conducted on the fork legs, and the overall positioning stability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle processing technical field especially relates to a bicycle upper fork pipe spare arc milling positioning frock. BACKGROUND

[0002] The upper fork is located at the front part in the whole structure of the bicycle, the upper end of the upper fork is connected with the handlebar, the frame part is matched with the front pipe, the lower end is matched with the front shaft part, and the upper fork constitutes the guide system of the bicycle, the upper fork needs to be respectively milled in the processing process, the arc processing is perfect splicing with the upper end vertical pipe, and finally fixed through welding.

[0003] The existing arc milling machine needs to position the fork leg during the processing of the bicycle upper fork pipe spare, the positioning frock on the arc milling machine mostly positions one fork leg, so that a pair of fork legs cannot be simultaneously milled, the arc milling efficiency is reduced, and the positioning stability is general. SUMMARY

[0004] The utility model aims at solving the prior art's insufficient, and provides a bicycle upper fork pipe spare arc milling positioning frock.

[0005] The utility model discloses a kind of bicycle upper fork pipe spare arc milling positioning frock, including positioning table, still including:

[0006] Fork leg positioning mechanism, including fork leg positioning plate, fork leg positioning plate is slidably arranged on the top of positioning table, a pair of clamping plates is slidably arranged on the top of fork leg positioning plate, driving mechanism is arranged on the fork leg positioning plate and drives the sliding of clamping plate, a pair of fork legs are placed on the positioning table and are fixed by the clamping of the clamping plate on a plurality of fork leg positioning mechanisms;

[0007] Fork shoulder positioning mechanism, including fork shoulder positioning block, fork shoulder positioning block is slidably arranged on the top of positioning table, the top of fork shoulder positioning block is provided with the positioning slot matched with fork shoulder, and a pair of pressing mechanisms are arranged on the top of fork shoulder positioning block, and the fork shoulder is fixed by the pressing of the pressing mechanism in the positioning slot;

[0008] Locking mechanism is respectively arranged on fork leg positioning mechanism and fork shoulder positioning mechanism, and fork leg positioning mechanism and fork shoulder positioning mechanism are locked on the positioning table by locking mechanism.

[0009] In particular, the top of positioning table is provided with a plurality of first sliding grooves, and the first sliding grooves are provided with openings at one end, and the top of positioning table is provided with a baffle away from the opening end of first sliding groove.

[0010] In particular, the bottom of fork leg positioning plate and fork shoulder positioning block is provided with a plurality of sliding blocks corresponding to the first sliding grooves, and the sliding blocks are slidably arranged in the first sliding grooves.

[0011] Particularly, the driving mechanism comprises a cavity arranged in the inside of the fork leg positioning plate, a screw rod rotatably connected to the inner wall of the cavity, a second sliding groove arranged on the top of the fork leg positioning plate and communicated with the cavity, a moving block slidably arranged in the second sliding groove, and the moving block is threadedly connected with the screw rod, and the screw rod is arranged to pass through the fork leg positioning plate at one end close to the edge of the positioning table and is fixedly provided with a first rotating wheel, and the clamping plate is detachably arranged on the top of the moving block.

[0012] Particularly, a threaded hole is arranged at the center of the top of the moving block, and a screw rod corresponding to the threaded hole is arranged at the bottom of the clamping plate and is threadedly connected in the threaded hole.

[0013] Particularly, a pair of anti-skid pads are arranged on the opposite surfaces of the pair of clamping plates.

[0014] Particularly, first handles are arranged at the front and rear ends of the top of the fork leg positioning plate, and second handles are arranged on the front and rear sides of the fork shoulder positioning block.

[0015] Particularly, the pressing mechanism comprises a rotating rod, a fixing rod, a top plate and a pressing plate, the rotating rod is rotatably connected to the top of the fork shoulder positioning block, the fixing rod is fixedly connected to the top of the fork shoulder positioning block, the rotating rod and the fixing rod are respectively arranged on the two sides of the positioning groove, one end of the top plate is sleeved and fixedly connected to the top of the rotating rod, the other end of the top plate is provided with a bayonet, a limiting groove is arranged on the fixing rod, the bayonet is clamped in the limiting groove, an adjusting rod is threadedly connected to the top of the top plate, the bottom of the adjusting rod is rotatably connected with the pressing plate, a second rotating wheel is arranged on the top of the adjusting rod, and a rubber pad is arranged on the bottom of the pressing plate.

[0016] Particularly, an elastic rod is arranged between the opposite surfaces of the pressing plate and the top plate.

[0017] Particularly, the locking mechanism comprises a locking plate and a locking bolt, the locking plate is in inverted L shape, the horizontal plates of the locking plate are fixedly connected to the bottom of the front and rear side walls of the fork shoulder positioning block and the side of the fork leg positioning plate close to the edge of the positioning table, respectively, the vertical plate of the locking plate is arranged on the front and rear sides of the positioning table, the locking bolt is threadedly connected to the vertical plate, the end of the locking bolt is provided with a pressing plate, and the locking plate is locked by being pressed on the positioning table through the pressing plate.

[0018] The utility model discloses a beneficial effect is: the utility model discloses through setting up fork leg positioning mechanism, fork shoulder positioning mechanism, locking mechanism, it is convenient for positioning to a pair of fork legs simultaneously, and then can simultaneously milling arc processing to a pair of fork legs, improves processing efficiency, simultaneously, can to fork leg multiple point positioning, and the overall positioning stability is good, and fork leg positioning mechanism and fork shoulder positioning mechanism not only remove setting, but also convenient to replace clamping plate and fork shoulder positioning block, convenient for positioning to different models fork leg, convenient to use. DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is Figure 1An enlarged schematic view at middle A;

[0021] Figure 3 A schematic view of the fork leg positioning mechanism structure of the utility model;

[0022] Figure 4 For Figure 1 An enlarged schematic view at middle B;

[0023] In the figure:

[0024] 1-positioning table; 101-slideway; 102-baffle;

[0025] 2-fork leg positioning mechanism; 201-fork leg positioning plate; 202-clip plate; 203-screw rod; 204-second slideway; 205-moving block; 206-first rotating wheel; 207-threaded hole; 208-anti-skid pad; 209-first handle;

[0026] 3-fork shoulder positioning mechanism; 301-fork shoulder positioning block; 302-positioning groove; 303-second handle; 304-rotating rod; 305-fixed rod; 306-top plate; 307-pressing plate; 308-buckle; 309-adjusting rod; 310-second rotating wheel;

[0027] 4-locking mechanism; 401-locking plate; 402-locking bolt;

[0028] The utility model will be described below in detail with reference to the drawings. DETAILED DESCRIPTION

[0029] The utility model will be described below in detail with reference to the drawings.

[0030] As Figures 1-4 shown, a bicycle upper fork pipe piece arc milling positioning tool, including positioning table 1, the top of positioning table 1 is equipped with a plurality of first slideway 101, and first slideway 101 one end opening is arranged, and the top of positioning table 1 is equipped with baffle 102 away from the opening one end of first slideway 101;

[0031] Fork leg positioning mechanism 2, including fork leg positioning plate 201, the top of positioning table 1 is slidably equipped with fork leg positioning plate 201, and the bottom of fork leg positioning plate 201 is equipped with a plurality of sliding blocks corresponding to first slideway 101, and the sliding block is slidably arranged in first slideway 101, and a pair of clip plates 202 are slidably arranged on the top of fork leg positioning plate 201, and the fork leg positioning plate 201 is equipped with a driving mechanism for driving the sliding of clip plate 202, and a pair of fork legs are placed on positioning table 1 and clamped and fixed by a plurality of clip plates 202 on the fork leg positioning mechanism 2;

[0032] The driving mechanism comprises a cavity arranged inside the fork leg positioning plate 201, a screw rod 203 rotationally connected to the inner wall of the cavity, a second sliding groove 204 arranged on the top of the fork leg positioning plate 201 and communicating with the cavity, a moving block 205 slidably arranged in the second sliding groove 204 and threadedly connected with the screw rod 203, the screw rod 203 being arranged to pass through the fork leg positioning plate 201 at one end close to the edge of the positioning table 1 and being fixedly provided with a first rotating wheel 206, the clamping plates 202 being detachably arranged on the top of the moving block 205, the top center of the moving block 205 being provided with a threaded hole 207, the bottom of each clamping plate 202 being provided with a screw rod corresponding to the threaded hole 207, the screw rod being threadedly connected in the threaded hole 207, the opposite surfaces of the pair of clamping plates 202 being provided with anti-skid pads 208, the top of the fork leg positioning plate 201 being provided with first handles 209 at the front and rear ends, and the fork shoulder positioning block 301 being provided with second handles 303 at the front and rear sides.

[0033] Specifically, the fork leg positioning plate 201 can slide on the positioning table 1 according to the fork leg positioning point, and then the first rotating wheel 206 is rotated, so that the two clamping plates 202 clamp the fork leg. If the model and shape of the fork leg are different, the matching clamping plates 202 can be replaced.

[0034] The fork shoulder positioning mechanism 3 comprises a fork shoulder positioning block 301, the fork shoulder positioning block 301 being slidably arranged on the top of the positioning table 1, the bottom of the fork shoulder positioning block 301 being provided with a plurality of sliding blocks corresponding to the first sliding groove 101, the sliding blocks being slidably arranged in the first sliding groove 101, the top of the fork shoulder positioning block 301 being provided with a positioning groove 302 matched with the fork shoulder, and the top of the fork shoulder positioning block 301 being provided with a pair of pressing mechanisms, the fork shoulder being arranged in the positioning groove 302 and being pressed and fixed by the pressing mechanisms.

[0035] The pressing mechanism comprises a rotating rod 304, a fixed rod 305, a top plate 306 and a pressing plate 307, the rotating rod 304 being rotationally connected to the top of the fork shoulder positioning block 301, the fixed rod 305 being fixedly connected to the top of the fork shoulder positioning block 301, the rotating rod 304 and the fixed rod 305 being respectively located at the two sides of the positioning groove 302, the top plate 306 being sleeved and fixedly connected at one end to the top of the rotating rod 304, the other end of the top plate 306 being provided with a bayonet 308, the fixed rod 305 being provided with a limiting groove, the bayonet 308 being clamped in the limiting groove, the top of the top plate 306 being threadedly connected with an adjusting rod 309, the bottom of the adjusting rod 309 being rotationally connected with the pressing plate 307, the top of the adjusting rod 309 being provided with a second rotating wheel 310, the bottom of the pressing plate 307 being provided with a rubber pad, and a telescopic rod being arranged between the opposite surfaces of the pressing plate 307 and the top plate 306.

[0036] Specifically, according to the fork shoulder shape, the appropriate fork shoulder positioning block 301 is selected, and is slidably arranged on the positioning table 1, then the fork leg fork shoulder part is positioned in the positioning groove 302, the top plate 306 is rotated and is clamped on the limiting groove of the fixed rod 305 through the buckle 308, then the second rotating wheel 310 is rotated to press the fork shoulder part by the pressing plate 307.

[0037] The locking mechanism 4 is arranged on the fork leg positioning mechanism 2 and the fork shoulder positioning mechanism 3 respectively, and the fork leg positioning mechanism 2 and the fork shoulder positioning mechanism 3 are locked on the positioning table 1 through the locking mechanism 4; the locking mechanism 4 comprises a locking plate 401 and a locking bolt 402, the locking plate 401 is in inverted L shape, and the horizontal plate of the locking plate 401 is fixedly connected to the bottom of the front and rear side walls of the fork shoulder positioning block 301 and the bottom of the side of the fork leg positioning plate 201 close to the edge of the positioning table 1 respectively, the vertical plate of the locking plate 401 is located on the front and rear sides of the positioning table 1, the locking bolt 402 is threadedly connected to the vertical plate, the end of the locking bolt 402 is provided with a pressing plate, and the locking plate 401 is locked by being pressed on the positioning table 1 through the pressing plate.

[0038] Specifically, when the fork leg positioning plate 201 and the fork shoulder positioning block 301 are moved to the specified position on the positioning table 1, the locking bolt 402 is rotated to lock.

[0039] When the utility model works, the rotated fork leg positioning plate 201 and the fork shoulder positioning block 301 are slidably arranged on the positioning table 1 and are moved to the specified position, then are fixed through the locking bolt 402, the fork leg is placed, one end of the fork leg is limited through the baffle 102, the clamping plate 202 is clamped on the straight leg part of the fork leg by rotating the first rotating wheel 206, then the top plate 306 is rotated and is clamped on the limiting groove of the fixed rod 305 through the buckle 308, the second rotating wheel 310 is rotated to press the fork shoulder part by the pressing plate 307, and subsequent milling machining can be carried out.

[0040] The utility model is convenient for positioning a pair of fork legs simultaneously, and can mill the pair of fork legs simultaneously, improves the processing efficiency, can position the fork leg at multiple points, the overall positioning stability is good, and the fork leg positioning mechanism 2 and the fork shoulder positioning mechanism 3 are not only movably arranged, but also the clamping plate 202 and the fork shoulder positioning block 301 are convenient to replace, convenient for positioning different models of fork legs, and are convenient to use.

[0041] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and so on the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0042] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0043] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; It can be mechanical connection, or electrical connection or communication with each other; It can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0044] The utility model has been described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A positioning tool for arc milling of a bicycle upper fork tube, comprising a positioning table (1), characterized in that, Also includes: The fork leg positioning mechanism (2) includes a fork leg positioning plate (201), and the fork leg positioning plate (201) is slidably arranged on the top of the positioning table (1). A pair of clamping plates (202) are slidably arranged on the top of the fork leg positioning plate (201). A driving mechanism is arranged on the fork leg positioning plate (201) to drive the clamping plates (202) to slide. A pair of fork legs are arranged on the positioning table (1) and are clamped and fixed by the clamping plates (202) on the fork leg positioning mechanism (2). The fork shoulder positioning mechanism (3) includes a fork shoulder positioning block (301), and the fork shoulder positioning block (301) is slidably arranged on the top of the positioning table (1). A positioning groove (302) matched with the fork shoulder is arranged on the top of the fork shoulder positioning block (301). A pair of pressing mechanisms are arranged on the top of the fork shoulder positioning block (301). The fork shoulder is arranged in the positioning groove (302) and is pressed and fixed by the pressing mechanisms. The locking mechanism (4) is arranged on the fork leg positioning mechanism (2) and the fork shoulder positioning mechanism (3), respectively. The fork leg positioning mechanism (2) and the fork shoulder positioning mechanism (3) are locked on the positioning table (1) by the locking mechanism (4).

2. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 1, characterized in that, A plurality of first sliding grooves (101) are arranged on the top of the positioning table (1), and the first sliding grooves (101) are open at one end. A baffle (102) is arranged on the top of the positioning table (1) away from the opening end of the first sliding groove (101).

3. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 2, characterized in that, A plurality of sliding blocks corresponding to the first sliding grooves (101) are arranged on the bottom of the fork leg positioning plate (201) and the fork shoulder positioning block (301), and the sliding blocks are slidably arranged in the first sliding grooves (101).

4. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 1, characterized in that, The driving mechanism includes a cavity arranged in the fork leg positioning plate (201). A lead screw (203) is rotatably connected to the inner wall of the cavity. A second sliding groove (204) is arranged on the top of the fork leg positioning plate (201) and communicates with the cavity. A moving block (205) is slidably arranged in the second sliding groove (204). The moving block (205) is threadedly connected with the lead screw (203). The lead screw (203) is arranged on the edge of the positioning table (1) and is arranged on the fork leg positioning plate (201) and is fixedly connected with a first rotating wheel (206). The clamping plate (202) is detachably arranged on the top of the moving block (205).

5. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 4, characterized in that, A threaded hole (207) is arranged on the center of the top of the moving block (205). A screw rod corresponding to the threaded hole (207) is arranged on the bottom of the clamping plate (202) and is threadedly connected in the threaded hole (207).

6. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 1, characterized in that, Anti-skid pads (208) are arranged on the opposite surfaces of the pair of clamping plates (202).

7. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 1, characterized in that, First handles (209) are arranged on the top of the fork leg positioning plate (201) and the fork shoulder positioning block (301).

8. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 1, characterized in that, The pressing mechanism comprises a rotating rod (304), a fixed rod (305), a top plate (306), and a pressing plate (307). The rotating rod (304) is rotatably connected to the top of the fork shoulder positioning block (301). The fixed rod (305) is fixedly connected to the top of the fork shoulder positioning block (301). The rotating rod (304) and the fixed rod (305) are respectively located on both sides of the positioning groove (302). One end of the top plate (306) is sleeved and fixedly connected to the top of the rotating rod (304). The other end of the top plate (306) is provided with a bayonet (308). The fixed rod (305) is provided with a limiting groove. The bayonet (308) is clamped in the limiting groove. The top of the top plate (306) is threadedly connected with an adjusting rod (309). The bottom of the adjusting rod (309) is rotatably connected with the pressing plate (307). The top is provided with a second rotating wheel (310). The bottom of the pressing plate (307) is provided with a rubber pad.

9. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 8, characterized in that, A telescopic rod is arranged between the opposite surfaces of the pressing plate (307) and the top plate (306).

10. The positioning tool for milling the arc of the upper fork tube of the bicycle according to claim 1, characterized in that, The locking mechanism (4) comprises a locking plate (401) and a locking bolt (402). The locking plate (401) is in an inverted L shape. The horizontal plates of the locking plate (401) are fixedly connected to the bottom of the front and rear side walls of the fork shoulder positioning block (301) and the side of the bottom of the fork leg positioning plate (201) adjacent to the edge of the positioning table (1). The vertical plates of the locking plate (401) are located on the front and rear sides of the positioning table (1). The locking bolt (402) is threadedly connected to the vertical plate. The end of the locking bolt (402) is provided with a pressing plate. The locking plate (401) is pressed and locked on the positioning table (1) through the pressing plate.

Images