Fixing tool for lens cone machining

Abstract

The utility model provides a lens cone processing and fixing tool, which comprises a platform and two groups of inner clamps arranged on the platform, and is characterized in that one group of clamps is fixed on the platform, the other group of clamps is fixed on a sliding seat, the sliding seat is in sliding fit with the platform, and the inner clamps are fixed on the platform. Each clamp comprises a base, a cavity, a first piston assembly, a plurality of movable holes and second piston assemblies, wherein the axis of the base is horizontal, the base is of a cylindrical structure, the cavity is formed in the base in the axial direction of the base, the first piston assembly is arranged in the cavity, the movable holes make contact with the cavity and are formed in the radial direction of the cavity, and the second piston assemblies are arranged in the movable holes. The abutting assembly is arranged on the second piston assembly. According to the utility model, a stable clamping effect can be provided, and the shape and the structure of the lens cone can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to sighting telescope processing equipment technical field especially, it relates to a mirror barrel processing fixed frock. BACKGROUND

[0002] Sighting telescope mirror barrel is the main component of sighting telescope, it is mainly used for supporting and protecting internal optical system, such as objective lens, dividing plate, eyepiece etc., ensure that sighting telescope can work normally;

[0003] Since sighting telescope belongs to higher precision equipment, needs to guarantee the shape structure of mirror barrel, can cooperate completely with lens etc., the existing mirror barrel processing clamp, generally through simple clamping jaw and mirror barrel direct contact, clamping effect adjustment is relatively rough, in the processing, it is easy to appear clamping loose or over-tightening condition, influence mirror barrel's processing. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides a mirror barrel processing fixed frock, can guarantee the stability of mirror barrel, avoids mirror barrel damage.

[0005] According to the embodiment of the utility model, a kind of mirror barrel processing fixed frock, including platform, two groups of inner clamps being set on the platform, it is characterized in that, one group of the clamp is fixed on the platform, another group of the clamp is fixed on slide, the slide is slidably connected with the platform, each group of the clamp includes the base of axis horizontal and cylindrical structure, the cavity being set in the base along its axial direction, the first piston assembly being set in the cavity, multiple movable holes being in contact with the cavity and being set along its radial direction, the second piston assembly being set in the movable hole, the contact component being set on the second piston assembly.

[0006] Preferably, the contact component includes an elastic member connected to the second piston assembly, a contact head connected to the elastic member, the end of the contact head is provided with an adjusting air bag, and a pressure detector is provided between the elastic member and the second piston assembly.

[0007] Further preferably, the end of the contact head is provided with a mounting hole, the bottom of the mounting hole is fixedly provided with an electromagnetic block, an electromagnetic piston block is movably arranged in the mounting hole, and a contact air bag in communication with the mounting hole is detachably connected to the contact head.

[0008] Further preferably, two groups of limiting rings are fixedly connected in the mounting hole and located on both sides of the electromagnetic piston block.

[0009] Further preferably, the second piston assembly comprises a second piston block, a guide hole arranged on the second piston block, a bottom of the guide hole being provided with the pressure detector, and the contact head extends into the guide hole and is connected with the pressure detector through the elastic member.

[0010] Further preferably, a side wall of the guide hole is provided with a limiting groove parallel to an axis of the guide hole, and a side wall of the contact head is fixedly connected with a limiting block extending into the limiting groove.

[0011] Further preferably, the first piston assembly comprises a first piston block, a transmission screw hole and a limiting hole arranged in parallel on an end of the first piston block, an electric machine is fixedly arranged outside the base, an output shaft of the electric machine is drivingly connected with a transmission screw rod matched with the transmission screw hole, and a limiting rod matched with the limiting hole is further fixedly arranged in the base.

[0012] Still further preferably, a supporting member is further arranged on the platform in a sliding mode.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] A plurality of abutting components are arranged, the plurality of abutting components are synchronously driven to move by the first piston assembly and the second piston assembly, the abutting components are synchronously adjusted, the acting force generated by the abutting components is equivalent, the abutting components can stably contact with the inner wall of the lens barrel, and the local force is prevented from being too large; the contact air bag and the pressure detector are arranged on each abutting component, the inner wall of the lens barrel is prevented from being scratched, the acting force borne by the inner wall of the lens barrel is monitored in real time, and the clamping effect is ensured to be appropriate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the lens barrel machining fixing tool structure of the utility model.

[0016] Figure 2 It is a schematic view of the internal structure of the base in the lens barrel machining fixing tool of the utility model.

[0017] Figure 3 It is a schematic view of the utility model Figure 2 It is a schematic view of the enlarged structure of the local part A in the utility model.

[0018] In the above drawings: 1, platform; 101, support; 2, clamp; 210, base; 220, cavity; 230, first piston assembly; 231, first piston block; 232, transmission screw hole; 233, limiting hole; 234, motor; 235, transmission screw; 236, limiting rod; 240, movable hole; 250, second piston assembly; 251, second piston block; 252, guide hole; 253, limiting groove; 254, limiting block; 260, abutting assembly; 261, elastic member; 262, contact head; 263, adjusting air bag; 264, pressure detector; 265, mounting hole; 266, electromagnetic block; 267, electromagnetic piston block; 268, contact air bag; 269, limiting ring; 3, sliding seat. DETAILED DESCRIPTION

[0019] The technical solutions in the utility model are further described below in combination with the drawings and examples.

[0020] The utility model provides a kind of embodiment, as shown in Figure 1 A lens barrel machining fixing tool includes a platform 1, two groups of inner clamps 2 arranged on the platform 1, one group of the clamps 2 is fixed on the platform 1, and the other group of the clamps 2 is fixed on a sliding seat 3, the sliding seat 3 is in sliding cooperation with the platform 1, each group of the clamps 2 includes a base 210 with horizontal axis and cylindrical structure, a cavity 220 arranged in the base 210 along its axial direction, a first piston assembly 230 arranged in the cavity 220, a plurality of movable holes 240 in contact with the cavity 220 and arranged along its radial direction, a second piston assembly 250 arranged in the movable hole 240, and an abutting assembly 260 arranged on the second piston assembly 250.

[0021] When clamping the lens barrel, first, one end of the lens barrel is matched with the fixed side clamp 2, the second piston assembly 250 is driven to act by adjusting the first piston assembly 230, the abutting assembly 260 is driven to act by the second piston assembly 250, the abutting assembly 260 is in contact with the inner wall of the lens barrel and completes the positioning and clamping work of one end of the lens barrel, and then the movably arranged clamp 2 is matched with the other end of the lens barrel to complete, so as to ensure the stability of the lens barrel.

[0022] In order to make the abutting assembly 260 in good contact with the inner wall of the lens barrel and monitor the contact state, in a further embodiment, as shown in Figure 3As shown, the abutting component 260 comprises a resilient member 261 connected with the second piston component 250, a contact head 262 connected with the resilient member 261, and an end of the contact head 262 is provided with an adjusting air bag 263 capable of preventing the inner wall of the lens barrel from being scratched, and a pressure detector 264 is arranged between the resilient member 261 and the second piston component 250, in the embodiment, the resilient member 261 is a rigid spring, when the contact head 262 is in contact with the inner wall of the lens barrel driven by the second piston component 250, the resilient member 261 has a buffering effect, and the force between the adjusting air bag 263 and the lens barrel is transmitted to the pressure detector 264 through the resilient member 261 to monitor the force received by the lens barrel, so as to avoid damage to the lens barrel;

[0023] In order to facilitate the micro-adjustment of the effect between the adjusting air bag 263 and the lens barrel, in a further embodiment, an end of the contact head 262 is provided with a mounting hole 265, an electromagnetic block 266 is fixedly arranged at the bottom of the mounting hole 265, an electromagnetic piston block 267 is movably arranged in the mounting hole 265, and a contact air bag 268 in communication with the mounting hole 265 is detachably connected to the contact head 262, by changing the effect and the size of the force of the electromagnetic block 266 and the electromagnetic piston block 267, the force between the contact air bag 268 and the inner wall of the lens barrel is changed;

[0024] In order to limit the movement path of the electromagnetic piston block 267, in a further embodiment, two groups of limiting rings 269 are fixedly connected in the mounting hole 265 and located on both sides of the electromagnetic piston block 267.

[0025] In order to ensure the stability of the contact head 262 during movement, in a further embodiment, the second piston component 250 comprises a second piston block 251 and a guide hole 252 arranged on the second piston block 251, the bottom of the guide hole 252 is provided with the pressure detector 264, and the contact head 262 extends into the guide hole 252 and is connected with the pressure detector 264 through the resilient member 261;

[0026] A limiting groove 253 parallel to the axis of the guide hole 252 is arranged on the side wall of the guide hole 252, and a limiting block 254 extending into the limiting groove 253 is fixedly connected to the side wall of the contact head 262, so that the contact head 262 can only produce linear motion along the radial direction thereof;

[0027] Specifically, as Figure 2As shown, the first piston assembly 230 comprises a first piston block 231, a transmission screw hole 232 and a limiting hole 233 arranged in parallel at the end of the first piston block 231, a motor 234 is fixed outside the base 210, the output shaft of the motor 234 is drivingly connected with a transmission screw rod 235 matched with the transmission screw hole 232, and a limiting rod 236 matched with the limiting hole 233 is further fixed in the base 210.

[0028] In order to facilitate the cooperation between the lens barrel and the fixed clamp 2 in the initial state, in a further embodiment, a support 101 is further slidingly arranged on the platform 1, and when the lens barrel cooperates with the clamp 2, the support 101 can be used for supporting first, and the positions of the support 101 and the movably arranged clamp 2 can be adjusted according to the length of the lens barrel.

[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A fixture for machining a lens barrel, comprising a platform (1) and two sets of inner clamps (2) disposed on the platform (1), characterized in that, One set of clamps (2) is fixed on the platform (1), and another set of clamps (2) is fixed on the slide (3). The slide (3) slides in cooperation with the platform (1). Each set of clamps (2) includes a base (210) with a horizontal axis and a cylindrical structure, a cavity (220) arranged axially in the base (210), a first piston assembly (230) arranged in the cavity (220), a plurality of movable holes (240) that contact the cavity (220) and are arranged radially thereon, a second piston assembly (250) arranged in the movable holes (240), and an abutment assembly (260) arranged on the second piston assembly (250).

2. The lens barrel processing fixture according to claim 1, characterized in that, The abutment assembly (260) includes an elastic element (261) connected to the second piston assembly (250) and a contact head (262) connected to the elastic element (261). The end of the contact head (262) is provided with an adjusting air bladder (263), and a pressure detector (264) is provided between the elastic element (261) and the second piston assembly (250).

3. The lens barrel processing fixture according to claim 2, characterized in that, The end of the contact head (262) is provided with a mounting hole (265), an electromagnetic block (266) is fixedly provided at the bottom of the mounting hole (265), an electromagnetic piston block (267) is movably provided in the mounting hole (265), and a contact airbag (268) communicating with the mounting hole (265) is detachably connected to the contact head (262).

4. The lens barrel processing fixture according to claim 3, characterized in that, Two sets of limiting rings (269) are fixedly connected inside the mounting hole (265) and located on both sides of the electromagnetic piston block (267).

5. The lens barrel processing fixture according to claim 3, characterized in that, The second piston assembly (250) includes a second piston block (251) and a guide hole (252) disposed on the second piston block (251). The pressure detector (264) is disposed at the bottom of the guide hole (252). The contact head (262) extends into the guide hole (252) and is connected to the pressure detector (264) through the elastic element (261).

6. The lens barrel processing fixture according to claim 5, characterized in that, The guide hole (252) has a limiting groove (253) parallel to its axis on its side wall, and a limiting block (254) extending into the limiting groove (253) is fixedly connected to the side wall of the contact head (262).

7. A lens barrel processing fixture according to any one of claims 1-6, characterized in that, The first piston assembly (230) includes a first piston block (231), a drive screw hole (232) and a limiting hole (233) arranged parallel to the end of the first piston block (231). A motor (234) is fixed outside the base (210). The output shaft of the motor (234) is driven by a drive screw (235) that cooperates with the drive screw hole (232). A limiting rod (236) that cooperates with the limiting hole (233) is also fixed inside the base (210).

8. The lens barrel processing fixture according to claim 7, characterized in that, The platform (1) is also slidably provided with a support member (101).

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