Miniature shaft machining clamp and step mill

Abstract

The utility model relates to the field of clamp design, and discloses a miniature shaft processing clamp and a step grinder, the miniature shaft processing clamp comprises a clamp setting seat, a clamp body and a rotation control box, the center of the rotation control box is provided with a rotating shaft, the front end of the rotating shaft is provided with a rotating frame, the rotating frame is provided with the clamp setting seat, and the clamp body is arranged in front of the clamp setting seat. And a micro shaft guide box is arranged at the top of the clamp body. Miniature shafts are sequentially and independently placed in the miniature shaft containing grooves through the miniature shaft guide box, the shaft ends of the miniature shafts are limited in cooperation with the shaft end containing grooves, and limiting control over clamping shaft bodies at the rear ends of the miniature shafts is achieved in cooperation with clamping teeth on the two sides of the miniature shafts, the arc-shaped protective cover shells and the outer wall of the arrangement panel. And the limiting stability of the clamp body to the micro shaft can be effectively guaranteed in the grinding operation period, the situation that the micro shaft is loosened and even falls off is effectively avoided, and the safety of grinding operation is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture design, specifically, relates to a micro shaft machining clamp and step grinder. BACKGROUND

[0002] The micro shaft is relatively small and has high precision, and is also called precision shaft, small shaft, shaft core and rotor shaft, is mainly made of carbon steel, stainless steel, copper and aluminium and the like, and surface treatment mainly has galvanizing, nickel, carburizing and the like, and main machining procedures are punching, grinding, surface treatment, turning, sorting and packaging and the like, in some micro shaft machining process, the surface of the shaft body needs to be polished to realize the use structural performance of the micro shaft in a specific environment, and the existing micro shaft machining clamp has poor structural performance, the clamping stability of the micro shaft is poor, and looseness or deviation is prone to occurring during polishing operation, thereby affecting the precision and stability of polishing operation, and the micro shaft can even be separated from the clamping device during polishing operation, so that certain safety hazards exist in production operation. SUMMARY

[0003] (I) Technical problem to be solved

[0004] To solve at least one aspect of the above problems, the utility model provides a micro shaft machining clamp and step grinder first, sets up the clamp body of fixed and running stable and cooperates the polishing frame to carry out step grinding treatment, improves the stability of clamping operation and guarantees polishing efficiency.

[0005] (II) Technical scheme

[0006] To solve the technical problem, the utility model provides a micro shaft machining clamp, which comprises a clamp setting seat, a clamp body and a rotation control box, the rotation control box is centrally provided with a rotating shaft, the rotating shaft is provided with a rotating frame at the front end, the rotating frame is provided with the clamp setting seat, the clamp setting seat is provided with the clamp body in front, the clamp body is provided with a discharge chute at the right front end, the discharge chute is provided with a material collecting groove at the bottom, and the clamp body is provided with a micro shaft guide box at the top.

[0007] As a preferred scheme of the utility model, the left end of the clamp setting seat is provided with a geometric setting frame, the bottom of the geometric setting frame is provided with a plane setting plate, the right end of the clamp setting seat is provided with an arc-shaped setting seat, the outer end of the arc-shaped setting seat is provided with an arc-shaped protective shell, the inner wall of the arc-shaped setting seat is provided with a first arc-shaped clamping block at the front end, the first arc-shaped clamping block is provided with a second arc-shaped clamping block in front, and the second arc-shaped clamping block is provided with an arc-shaped sealing rubber strip in front.

[0008] As a preferred scheme of the utility model, the fixture body is centrally provided with a rotating collar, the rotating collar is externally provided with an extension frame, the extension frame is externally provided with a setting panel in front, the extension frame is externally provided with a fixed collar in back, the fixed collar and the setting panel are provided with a micro-shaft placing rack, the micro-shaft placing rack is externally provided with a lower end surface than the extension frame, the micro-shaft placing rack is externally provided with a plurality of clamping teeth, adjacent two groups of clamping teeth are provided with a micro-shaft placing groove, and the micro-shaft placing groove is provided with a shaft end containing groove.

[0009] Further, the micro-shaft guiding box is provided with irregular limiting housings at both ends, a first vertical guide plate is arranged at the left end of the cavity formed between the two limiting housings, a second vertical guide plate is arranged at the right side of the first vertical guide plate, and the second vertical guide plate is provided with a micro-shaft sliding plate at the top.

[0010] Further, the first vertical guide plate is provided with a micro-shaft abutting rotary disc, the micro-shaft abutting rotary disc is centrally provided with a rotating ring, the rotating ring is internally provided with a rotating rod at one end, and the rotating rod is provided with a discharging motor in back.

[0011] Further, the rotating control box is provided with a group of protective cover shell fixing bolts at both ends of the arc-shaped protective cover shell.

[0012] Further, the micro-shaft placing rack and the clamping teeth are made of titanium alloy.

[0013] Further, the fixed collar and the extension frame are provided with a plurality of connecting bolts on the contact panel.

[0014] Further, the second arc-shaped clamping block is externally provided with a first ridge, the second arc-shaped clamping block and the arc-shaped sealing rubber strip are provided with a second ridge, and the arc-shaped sealing rubber strip and the inner wall of the arc-shaped protective cover shell are provided with a third ridge.

[0015] In addition, the utility model provides a step grinder, which comprises the micro-shaft machining clamp.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of micro shaft processing fixture, it is placed in micro shaft placing groove in turn independently to micro shaft by micro shaft guide box, and cooperate shaft end containing groove to limit the limit of micro shaft shaft end, cooperate the limit control of the clamping shaft body of the rear end of micro shaft to the card tooth of the both sides of micro shaft, arc protective cover shell and the outer wall of setting panel, can effectively guarantee the limit stability of micro shaft by jig body during polishing operation, effectively avoid the situation that micro shaft is loose even falls off, on the basis that effectively guarantee that polishing frame and micro shaft complete the polishing operation of the established polishing operation, guarantee the safety of polishing operation;The components of the rear end of the jig setting seat and the components of the front end of jig body mutually fit in the scheme, guarantee that jig body drives the operation limit of micro shaft inside arc protective cover shell, to cooperate polishing frame and polish micro shaft. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of micro shaft processing fixture of the utility model embodiment;

[0019] Figure 2 It is the front view of micro shaft processing fixture of the utility model embodiment;

[0020] Figure 3 It is the vertical section view of jig body of micro shaft processing fixture of the utility model embodiment;

[0021] Figure 4 It is the structure schematic diagram of area A of micro shaft processing fixture of the utility model embodiment;

[0022] Figure 5 It is the butt joint structure schematic diagram of jig setting seat of micro shaft processing fixture of the utility model embodiment;

[0023] Figure 6 It is the back structure schematic diagram of jig body of micro shaft processing fixture of the utility model embodiment;

[0024] Figure 7 It is the structure schematic diagram of area B of micro shaft processing fixture of the utility model embodiment.

[0025] Mark explanation:

[0026] 1 is micro axle guide box, 11 is micro axle sliding plate, 12 is feeding motor, 13 is micro axle abutment turntable, 14 is rotating ring, 15 is rotating rod, 16 is first vertical guide plate, 17 is second vertical guide plate, 2 is clamp setting seat, 21 is geometric setting frame, 22 is arc-shaped setting seat, 23 is first arc-shaped clamping block, 24 is second arc-shaped clamping block, 25 is arc-shaped sealing rubber strip, 3 is clamp body, 31 is rotating sleeve ring, 32 is extension frame, 33 is setting panel, 34 is clamping tooth, 35 is micro axle placing rack, 36 is fixing sleeve ring, 37 is micro axle placing groove, 38 is shaft end containing groove. DETAILED DESCRIPTION

[0027] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0028] Referring to Figures 1 to 7 , the utility model embodiment provides a kind of micro axle machining clamp, including clamp setting seat 2, clamp body 3 and rotating control box 5, rotating control box 5 center is equipped with shaft 8, the front end of shaft 8 is equipped with rotating frame 9, and rotating frame 9 is equipped with clamp setting seat 2, clamp setting seat 2 front is equipped with clamp body 3, and the front end of clamp body 3 is equipped with discharge chute 6, and the bottom of discharge chute 6 is equipped with receiving groove 7, and the top of clamp body 3 is equipped with micro axle guide box 1, and the front end frame of rotating control box 5 supports the limit installation of clamp setting seat 2 and clamp body 3, establishes the support and rotation control of rotating control box 5 to clamp body 3, sets up feeding device and puts into the micro axle to be polished in micro axle guide box 1, and micro axle guide box 1 sequentially drops the micro axle in micro axle placing groove 37, clamp body 3 is contacted in the rotating process, and polishing frame and micro axle drive it to realize autorotation in micro axle placing groove 37, thereby realizing the polishing of the surface of micro axle, reversing rod is arranged in rotating control box 5 and is connected with shaft 8, and high-frequency rotating motor is arranged on the left side of rotating control box 5, and shaft 8 and rotating frame 9 are driven to rotate quickly, so that clamp body 3 is driven to rotate at the same frequency, and the polishing frame is polished to the extension end of micro axle, and in the process that clamp body 3 continuously moves down, the micro axle that is polished is dropped in discharge chute 6, and it is conveyed to receiving groove 7 in discharge chute 6 to realize centralized preservation.

[0029] Referring to Figure 5, the left end of the clamp setting seat 2 is provided with a geometric setting frame 21, the bottom of the geometric setting frame 21 is provided with a flat setting plate, the right end of the clamp setting seat 2 is provided with an arc-shaped setting seat 22, the outer end of the arc-shaped setting seat 22 is provided with an arc-shaped protective shell, the inner wall of the arc-shaped setting seat 22 is provided with a first arc-shaped clamping block 23 at the front end, the front of the first arc-shaped clamping block 23 is provided with a second arc-shaped clamping block 24, the front of the second arc-shaped clamping block 24 is provided with an arc-shaped sealing rubber strip 25, the clamp setting seat 2 is connected with the front end frame of the rotating control box 5 through the geometric setting frame 21, and the flat setting plate at the bottom of the geometric setting frame 21 can reduce the occupied space of the extension at the bottom, effectively save the setting height of each component, save the production cost, the arc-shaped setting seat 22 is provided with an arc-shaped protective shell at the outer end to realize the protection of the micro shaft during the polishing of the clamp body 3, ensure the limiting control of the sequential placement and polishing position of the micro shaft, facilitate the polishing treatment of all micro shafts, the arc-shaped setting seat 22 is fixed with the first arc-shaped clamping plate 23 in cooperation with the arc-shaped protective shell, the first arc-shaped clamping plate 23 limits the second arc-shaped clamping plate 24 in cooperation with the arc-shaped protective shell, the first arc-shaped clamping plate 23 and the second arc-shaped clamping plate 24 are provided with the arc-shaped sealing rubber strip 25 to establish the arc-shaped alignment setting at the corresponding position of the clamp body 3, the arc-shaped setting seat 22 is installed at the right end top of the geometric setting frame 21, which can cooperate with the geometric setting frame 21 to establish the installation and control of the clamp body 3, and ensure the installation stability of the clamp body 3.

[0030] Referring to Figure 6 and Figure 7, the central part of the clamp body 3 is provided with a rotating ring 31, the outer end of the rotating ring 31 is provided with an extension frame 32, the outer end of the extension frame 32 is provided with a setting panel 33, the outer end of the extension frame 32 is provided with a fixed ring 36, the fixed ring 36 and the setting panel 33 are provided with a micro shaft placing rack 35, the outer end surface of the micro shaft placing rack 35 is lower than the outer end surface of the extension frame 32, the outer end surface of the micro shaft placing rack 35 is uniformly provided with a plurality of clamping teeth 34, the adjacent two groups of clamping teeth 34 are respectively provided with a micro shaft placing groove 37, the rear end of the micro shaft placing groove 37 is respectively provided with a group of shaft end containing grooves 38, the clamp body 3 is fixedly connected with the rotating shaft 9 through the rotating ring 31, the high-speed rotation control of the rotating shaft 9 driving the clamp body 3 is realized, the radial distance of the clamp body 3 is increased through the extension frame 32 at the outer end of the rotating ring 31, the specifications of the micro shaft placing rack 35 and the setting panel 33 can be effectively increased, a plurality of clamping teeth 34 and micro shaft placing grooves 37 are set, the polishing process is prolonged, the polishing work of the micro shaft extending end surface meeting the preset requirements can be completed, the extension frame 32 cooperates with the fixed ring 36 to limit the setting of the micro shaft placing rack 35, the stable support setting of the extension frame 32 to the micro shaft placing groove 37 can be ensured, the stress support of the polishing work is ensured, the micro shaft placing rack 35 is lower than the setting panel 33, so that the rear end of the micro shaft placing groove 37 forms a shaft end containing groove 38, which provides accommodation space for the rear end of the micro shaft, and ensures the stable limiting control of the micro shaft placing groove 37 to the micro shaft.

[0031] Referring to Figure 2 , the front and rear ends of the micro shaft guide box 1 are provided with irregular limiting housings, the left end of the cavity formed between the two groups of limiting housings is provided with a first vertical guide plate 16, the right side of the first vertical guide plate 16 is provided with a second vertical guide plate 17, the top of the second vertical guide plate 17 is provided with a micro shaft sliding plate 11, the micro shaft guide box 1 is formed by the cooperation of the two groups of irregular limiting housings, the first vertical guide plate 16, the micro shaft sliding plate 11 and the second vertical guide plate 17, the micro shaft raw material is put into the micro shaft guide box 1 along the micro shaft sliding plate 11 through the feeding device, which is convenient for continuously and stably conveying the micro shaft raw material to be polished into the clamp body 3.

[0032] The first vertical guide plate 16 is provided with a micro shaft abutting turntable 13, the central part of the micro shaft abutting turntable 13 is provided with a rotating ring 14, one end of the inner cavity of the rotating ring 14 is provided with a rotating rod 15, the rear of the rotating rod 15 is provided with a feeding motor 12, the material to be polished slides through the micro shaft sliding plate 11 to the bottom of the micro shaft sliding plate 11, and falls into the cavity opening limited by the edge and corner of the micro shaft abutting turntable 13, the rotating rod 15 is not coaxially arranged with the rotating ring 14, and the rotating ring 14 is coaxially arranged with the micro shaft abutting turntable 13, so that in the process of rotating the feeding motor 12, the specific positional relationship between the rotating rod 15 and the rotating ring 14 can be adjusted to drive the micro shaft abutting turntable 13 to adjust the micro shaft feeding frequency, the rotating speed of the feeding motor 12 is adjusted to cooperate with the rotating amplitude of the clamp body 3, and the micro shaft can be placed in the micro shaft placing groove 37 in sequence, and the micro shaft is independently polished by cooperating with the polishing frame.

[0033] Referring to Figure 1 The front end of the rotating control box 5 is provided with a group of protective cover fixing bolts 4 opposite the edge of the arc-shaped protective cover shell at both ends, and the rotating control box 5 uses the two groups of protective cover fixing bolts 4 to ensure the stable installation of the arc-shaped protective cover shell and enhance the stability control of the arc-shaped setting seat 22, so that the arc-shaped setting seat 22 and the arc-shaped protective cover shell can always form a protective structure corresponding to the position of the clamp body 3, and the protection of the clamp body 3 and the limiting control of the movement of the micro shaft can be realized.

[0034] The micro shaft placing frame 35 and the clamping teeth 34 are both made of titanium alloy, which can effectively ensure the wear resistance of the micro shaft placing frame 35 and the clamping teeth 34, adapt to the polishing operation of the strong micro shaft, and prolong the working time of the clamp body 3.

[0035] A plurality of connecting bolts are arranged on the contact surface plate of the fixed sleeve ring 36 and the extension frame 32, the connecting bolts pass through the fixed sleeve ring 36 to connect the corresponding contact surface plates of the extension frame 32, so that the fixed sleeve ring 36 can cooperate with the extension frame 32 to form a stable air slot at the top of the extension frame 32, and the fixed installation of the micro shaft placing frame 35 is established.

[0036] Referring to Figure 5The outer end of the second arc-shaped clamping block 24 is provided with a first flat edge, the second arc-shaped clamping block 24 and the arc-shaped sealing rubber strip 25 are provided with a second flat edge, the arc-shaped sealing rubber strip 25 and the inner wall of the arc-shaped protective shell are provided with a third flat edge, the second arc-shaped clamping block 24 is connected with the fixing sleeve 36 through the first flat edge, the second flat edge is embedded into the cavity at the rear end of each group of clamping teeth 34, the third flat edge between the arc-shaped sealing rubber strip 25 and the arc-shaped protective shell is arranged above the clamping teeth 34 in the corresponding direction, the abutment of the rear end and the top end of the shaft end containing groove 38 is established, the shaft end containing groove 38 cooperates with the arc-shaped protective shell to form a semi-closed space, the limiting of the rear end head of the micro shaft and the shaft body clamped with the clamping teeth 34 is facilitated, the limiting support of the micro shaft during polishing is ensured, and the loosening or falling of the micro shaft is avoided.

[0037] Another embodiment of the utility model provides a step grinder, including the micro shaft processing clamp as described above.

[0038] The step grinder in the embodiment adopts the micro shaft processing clamp to feed and fix the micro shaft, and cooperates with the polishing frame arranged in front of the clamp body 3 to polish the shaft body of the micro shaft protruding from the micro shaft placing groove 37, the micro shaft is continuously driven to run by the clamp body 3, and the polishing frame is abutted by friction, the rotation of the shaft body of the micro shaft is promoted by the limitation of the micro shaft, the surface of the micro shaft is polished by the polishing frame, and the micro shaft after polishing can be dropped into the discharge chute 6 in the process of continuous rotation of the clamp body 3, and is conveyed to the receiving groove 7 by the discharge chute 6 and saved.

[0039] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A microshaft machining jig characterized by comprising: Including clamp setting seat (2), clamp body (3) and rotation control box (5), rotation control box (5) is equipped with rotating shaft (8) in the center, rotating shaft (8) is equipped with rotating frame (9) in the front end, rotating frame (9) is equipped with clamp setting seat (2), clamp setting seat (2) is equipped with clamp body (3) in the front, clamp body (3) is equipped with discharge chute (6) in the right front end, discharge chute (6) is equipped with receiving groove (7) in the bottom, clamp body (3) is equipped with micro shaft guide box (1) in the top, Wherein, the left end of the clamp setting seat (2) is provided as a geometric setting frame (21), the bottom of the geometric setting frame (21) is provided with a flat setting plate, the right end of the clamp setting seat (2) is provided as an arc-shaped setting seat (22), the outer end of the arc-shaped setting seat (22) is provided as an arc-shaped protective cover shell, the inner wall of the arc-shaped setting seat (22) is provided with a first arc-shaped clamping block (23) in the front end, the first arc-shaped clamping block (23) is provided with a second arc-shaped clamping block (24) in the front, the second arc-shaped clamping block (24) is provided with an arc-shaped sealing rubber strip (25) in the front. Wherein, the center of the clamp body (3) is provided as a rotating sleeve ring (31), the outer end of the rotating sleeve ring (31) is provided with an extension frame (32), the outer end of the extension frame (32) is provided with a setting panel (33) in the front, the outer end of the extension frame (32) is provided with a fixed sleeve ring (36) in the back, the fixed sleeve ring (36) and the setting panel (33) are provided with a micro shaft placing frame (35) therebetween, the outer end surface of the micro shaft placing frame (35) is lower than the outer end surface of the extension frame (32), the outer end surface of the micro shaft placing frame (35) is uniformly provided with a plurality of clamping teeth (34), the adjacent two groups of clamping teeth (34) are respectively provided as micro shaft placing grooves (37), the rear end of the micro shaft placing groove (37) is respectively provided with a group of shaft end containing grooves (38).

2. A micro shaft machining jig according to claim 1, wherein The front and back ends of the micro shaft guide box (1) are provided as irregular limiting shells, the left end of the cavity formed between the two groups of limiting shells is provided with a first vertical guide plate (16), the right side of the first vertical guide plate (16) is provided with a second vertical guide plate (17), the top of the second vertical guide plate (17) is provided with a micro shaft sliding plate (11).

3. A microshaft machining fixture according to claim 2, wherein The first vertical guide plate (16) is provided with a micro shaft abutting turntable (13), the center of the micro shaft abutting turntable (13) is provided with a rotating ring (14), one end of the inner cavity of the rotating ring (14) is provided with a rotating rod (15), the rear of the rotating rod (15) is provided with a feeding motor (12).

4. The micro shaft machining clamp according to claim 1, wherein The front end of the rotation control box (5) is provided with a group of protective cover shell fixing studs (4) respectively opposite the two end edges of the arc-shaped protective cover shell.

5. The micro shaft machining clamp according to claim 1, wherein The micro shaft placing frame (35) and the clamping teeth (34) are both made of titanium alloy.

6. A micro-axle machining fixture according to claim 1, wherein The contact surface plate of the fixed sleeve ring (36) and the extension frame (32) is provided with a plurality of groups of connecting bolts.

7. The micro shaft machining clamp according to claim 1, wherein The outer end of the second arc-shaped clamping block (24) is provided with a first ridge, the second arc-shaped clamping block (24) and the arc-shaped sealing rubber strip (25) are provided as a second ridge, the arc-shaped sealing rubber strip (25) and the inner wall of the arc-shaped protective cover shell are provided as a third ridge.

8. A bench grinder characterized by, A micro-lathe jig comprising a micro-lathe jig as claimed in any one of claims 1 to 7.

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