CN222806790U

CN222806790U - A positioning fixture for optical curve mold processing

Info

Publication number: CN222806790U
Application number: CN202421757820.0U
Authority: CN
Inventors: 沈敏; 王郝; 王应松
Original assignee: Kunshan Qiminjin Precision Technology Co ltd
Current assignee: Kunshan Qiminjin Precision Technology Co ltd
Priority date: 2024-07-24
Filing date: 2024-07-24
Publication date: 2025-04-29
Anticipated expiration: 2034-07-24

Abstract

The utility model discloses a positioning fixture for processing an optical curve mold, which relates to the technical field of positioning fixtures, and comprises a fixture fixing frame, wherein a preliminary positioning mechanism which can be arranged in a lifting way is connected to the fixture fixing frame, two ends of the fixture fixing frame are slidably provided with a rotation adjusting mechanism for rotating and clamping, the utility model solves the problem that the existing positioning fixture for processing the optical curve mold can not perform multi-angle transformation fixation on different workpieces in the optical curve mold, the problem of diversified processing demand is difficult to adapt to, the utility model discloses a setting of preliminary positioning mechanism lifts the frame and is used for supporting optical curve mould, through rotating adjustment mechanism's setting, when lifting the frame and adjusting to fixed height back, L shape frame can change fixed position along the draw-in groove, carries out both sides centre gripping to the mould, and two grafting subassemblies and the collocation that lifts the frame set up the opposite sex work piece in the optical curve mould and carry out the extreme point of both sides fixed, rotate the motor simultaneously and rotate, lift the frame and descend and realize multi-angle rotation.

Description

Positioning fixture for optical curve mold processing

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for processing an optical curve die.

Background

The positioning fixture for optical curve mold machining is one fixture for precisely controlling and positioning workpiece, and is used mainly in precision machining equipment, such as optical curve grinder, to maintain the precise positioning of workpiece during machining and to ensure machining precision and work efficiency.

The utility model discloses a positioning and clamping jig module and an optical curve grinder, wherein the positioning and clamping jig module comprises a clamping jig and an auxiliary jacking block, the clamping jig is used for positioning and clamping a product, the clamping jig comprises a base, a fixed block fixedly arranged on the base, a sliding block slidingly arranged on the base and a driving piece used for driving the sliding block to move towards the direction of the fixed block so as to clamp a substrate of the product, the auxiliary jacking block is detachably arranged on the fixed block, the auxiliary jacking block is provided with a supporting surface, an outward-protruding part to be machined is arranged on the side part of the substrate, one end of the part to be machined faces the base is abutted against the supporting surface, the auxiliary jacking block is provided with a penetrating arc-shaped adjusting hole, a threaded connecting piece is slidingly arranged on the arc-shaped adjusting hole and is in threaded connection with the threaded hole on the fixed block, and the optical curve grinder comprises a workbench, a grinding wheel module and the positioning and clamping jig module.

To solve the above problems, a positioning jig for optical curve mold processing is proposed.

Disclosure of utility model

The utility model aims to provide a positioning fixture for optical curve die processing, which solves the problems that the existing positioning fixture for optical curve die processing in the background art cannot perform multi-angle transformation and fixation aiming at different workpieces in an optical curve die, so that the processing direction of the optical curve die is relatively fixed, and the multi-directional processing requirement is difficult to adapt.

The positioning fixture for optical curve mold processing comprises a fixture fixing frame, wherein a primary positioning mechanism capable of being arranged in a lifting mode is connected to the fixture fixing frame, rotating adjusting mechanisms for rotating and clamping are slidably arranged at two ends of the fixture fixing frame, the fixture fixing frame comprises a guide frame, clamping grooves are formed in two sides of the guide frame, the primary positioning mechanism comprises a lifting frame capable of being arranged in a lifting mode, the rotating adjusting mechanisms comprise L-shaped frames which are arranged in a sliding clamping mode along the clamping grooves, two groups of the rotating adjusting mechanisms are in mirror symmetry with respect to the primary positioning mechanisms, one side of each L-shaped frame is connected with a side frame, a plug-in assembly is movably sleeved on each side frame, and one end of each plug-in assembly on one group of the rotating adjusting mechanisms is connected with a rotating motor.

Preferably, the fixture fixing frame further comprises supporting frames arranged at four corners of the lower end of the guide frame, and the lower ends of the supporting frames are connected with a bottom plate.

Preferably, guide grooves are formed in two sides of the guide frame.

Preferably, the fixture fixing frame further comprises four groups of sleeve connecting rods fixedly arranged at the lower end of the guide frame, and the sleeve connecting rods are movably sleeved with the primary positioning mechanism.

Preferably, the preliminary positioning mechanism further comprises a driving cylinder arranged at the center of the lower end of the guide frame, the lifting frame is connected with the lifting end of the driving cylinder, four corners of the lower end of the lifting frame are connected with guide rods, and the guide rods are movably inserted into the sleeve connecting rods.

Preferably, the upper and lower corresponding parts of the lifting frame and the guide groove are provided with extension grooves, and the two ends of the lifting frame are provided with narrow openings.

Preferably, the rotation adjusting mechanism further comprises a fixing assembly which is inserted into the L-shaped frame and arranged in the clamping groove, the fixing assembly comprises a plugging rod, threads are formed in the upper end of the plugging rod, and a knob is sleeved on the threads.

Preferably, one end of the plug-in assembly is connected with a turntable short-circuit column and a turntable long-connection column, and the turntable short-circuit column and the turntable long-connection column are respectively provided with two groups and are arranged in a circular array.

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

1. According to the positioning fixture for processing the optical curve mold, the lifting frame can be lifted to change the fixed height through the arrangement of the preliminary positioning mechanism and is used for supporting the optical curve mold, and the optical curve mold cannot be positioned and calibrated aiming at the rotation adjusting mechanism due to inconsistent shapes, so that the lifting frame is arranged to assist before fixing, and the problem of supporting the optical curve mold before clamping by the conventional positioning fixture for processing the optical curve mold is primarily solved.

2. According to the positioning fixture for processing the optical curve mold, through the arrangement of the rotation adjusting mechanism, after the lifting frame is adjusted to be at a fixed height, the L-shaped frame can change the fixed position along the clamping groove, the mold is clamped at two sides, the arrangement of the inserting components extrudes the optical curve mold at two sides, after the fixing is completed, the lifting frame descends, a rotating motor connected to the rotation adjusting mechanism can be driven at the moment to drive the two inserting components to synchronously rotate with the optical curve mold, the two inserting components and the lifting frame are matched and arranged to fix the end points at two sides of a different workpiece in the optical curve mold, meanwhile, the rotating motor rotates, the lifting frame descends to realize multi-angle rotation, and the positioning fixture for processing the optical curve mold is suitable for multi-angle conversion fixation of different workpieces in the optical curve mold, so that the problem that the processing direction of the optical curve mold is relatively fixed and is difficult to adapt to the multi-angle processing requirement is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic overall elevational view of the present utility model;

FIG. 3 is a schematic diagram of the whole structure of the present utility model;

FIG. 4 is a schematic view of a lowering structure of the preliminary positioning mechanism of the present utility model;

fig. 5 is a schematic structural view of the rotation adjusting mechanism of the present utility model.

In the figure, 1, a fixture fixing frame, 11, a bottom plate, 12, a supporting frame, 13, a guide frame, 131, a guide groove, 132, a clamping groove, 14, a sleeve joint rod, 2, a preliminary positioning mechanism, 21, a driving cylinder, 22, a lifting frame, 221, an extending groove, 222, a narrow opening, 23, a guide rod, 3, a rotation adjusting mechanism, 31, an L-shaped frame, 32, a fixing component, 321, a plug-in rod, 322, threads, 323, a knob, 33, a side frame, 34, a plug-in component, 341, a turntable short-circuit column, 342, a turntable long-circuit column and 35, a rotation motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1, the positioning fixture for optical curve mold processing of the present utility model comprises a fixture fixing frame 1, a primary positioning mechanism 2 which is arranged in a lifting manner is connected to the fixture fixing frame 1, two ends of the fixture fixing frame 1 are slidably provided with a rotation adjusting mechanism 3 for rotating and clamping, the fixture fixing frame 1 comprises a guide frame 13, clamping grooves 132 are formed in two sides of the guide frame 13, the primary positioning mechanism 2 comprises a lifting frame 22 which is arranged in a lifting manner, the rotation adjusting mechanism 3 comprises an L-shaped frame 31 which is arranged in a sliding clamping manner along the clamping grooves 132, the rotation adjusting mechanism 3 is provided with two groups which are in mirror symmetry with respect to the primary positioning mechanism 2, one side of the L-shaped frame 31 is connected with a side frame 33, a plug-in assembly 34 is movably sleeved on the side frame 33, and one end of the plug-in assembly 34 on one group of the rotation adjusting mechanism 3 is connected with a rotation motor 35.

Specifically, the lifting frame 22 can be lifted to change the fixed height and is used for supporting an optical curve mold, the optical curve mold cannot be positioned and calibrated aiming at the rotation adjusting mechanism 3 due to inconsistent shapes, the lifting frame 22 which can be lifted is arranged to assist before fixing, after the lifting frame 22 is adjusted to the fixed height, the L-shaped frame 31 can change the fixed position along the clamping groove 132 to clamp the two sides of the mold, the setting of the plugging component 34 extrudes the optical curve mold bilaterally, after the fixing is completed, the lifting frame 22 descends, at the moment, a rotating motor 35 connected to the group of rotation adjusting mechanism 3 can be driven to drive two groups of plugging components 34 to synchronously rotate with the optical curve mold, the two plugging components 34 and the lifting frame 22 are matched to fix the endpoints of the two sides aiming at the different workpieces in the optical curve mold, and meanwhile the lifting frame 22 descends to realize multi-angle rotation, so as to adapt to the multi-azimuth processing requirement.

The utility model is further described below with reference to examples.

Embodiment one:

referring to fig. 2-4, the fixture fixing frame 1 further includes supporting frames 12 disposed at four corners of the lower end of the guide frame 13, the lower end of the supporting frames 12 is connected with a bottom plate 11, the bottom plate 11 and the supporting frames 12 are mutually fixed, and are matched with the guide frame 13 to complete supporting.

Guide grooves 131 are formed in two sides of the guide frame 13, the guide grooves 131 are formed in a matched mode with the clamping grooves 132, the rotation adjusting mechanism 3 moves in the guide grooves 131, and the rotation adjusting mechanism 3 is inserted into the clamping grooves 132.

The fixture fixing frame 1 further comprises four groups of sleeve connecting rods 14 fixedly arranged at the lower end of the guide frame 13, the sleeve connecting rods 14 are movably sleeved with the primary positioning mechanism 2, and the sleeve connecting rods 14 realize lifting positioning on the primary positioning mechanism 2.

The preliminary positioning mechanism 2 further comprises a driving air cylinder 21 arranged at the center of the lower end of the guide frame 13, a lifting frame 22 is connected to the lifting end of the driving air cylinder 21, four corners of the lower end of the lifting frame 22 are connected with guide rods 23, the guide rods 23 are movably inserted into the sleeve connecting rods 14 to be arranged, the driving air cylinder 21 drives the lifting frame 22 to lift, and the guide rods 23 and the sleeve connecting rods 14 are matched to horizontally calibrate the lifting frame 22.

The upper and lower corresponding positions of the lifting frame 22 and the guide groove 131 are provided with the extending grooves 221, the two ends of the lifting frame 22 are provided with the narrow openings 222, the rotation adjusting mechanism 3 can move to be clamped in the extending grooves 221, the clamping range is expanded, the middle part of the lifting frame 22 is made to be as narrow as possible through the narrow openings 222, and therefore the optical curve die clamping requirements of different sizes are met.

Embodiment two:

Referring to fig. 4 and 5, the rotation adjusting mechanism 3 further includes a fixing component 32 inserted into the L-shaped frame 31 and the clamping groove 132, the fixing component 32 includes a plugging rod 321, a thread 322 is provided at an upper end of the plugging rod 321, a knob 323 is sleeved on the thread 322, the knob 323 can rotate along the thread 322, pressurization and relaxation of the L-shaped frame 31 and the guiding frame 13 are realized, and manual adjustment is convenient as required.

One end of the plug-in component 34 is connected with a turntable short-circuit column 341 and a turntable long-connection column 342, the turntable short-circuit column 341 and the turntable long-connection column 342 are respectively provided with two groups and are arranged in a circular array, the turntable short-circuit column 341 and the turntable long-connection column 342 are matched together to achieve extrusion fixation of an optical curve die, the contact force of the turntable long-connection column 342 is larger than that of the turntable short-circuit column 341, the turntable short-circuit column 341 and the turntable long-connection column 342 are made of soft silica gel, and different thicknesses can not only increase friction force, but also prevent the die from extrusion deformation, so that the plug-in component is suitable for the pressurizing requirement of different workpieces.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The positioning clamp for processing the optical curve mold comprises a clamp fixing frame (1) and is characterized in that a preliminary positioning mechanism (2) which can be arranged in a lifting manner is connected to the clamp fixing frame (1), and a rotation adjusting mechanism (3) for rotating and clamping is arranged at two ends of the clamp fixing frame (1) in a sliding manner;

Clamp mount (1) includes leading truck (13), draw-in groove (132) have been seted up to the both sides of leading truck (13), preliminary positioning mechanism (2) are including lifting frame (22) of lift setting, rotation adjustment mechanism (3) are including L shape frame (31) that slide block set up along draw-in groove (132), rotation adjustment mechanism (3) are provided with two sets of about preliminary positioning mechanism (2) mirror symmetry, one side of L shape frame (31) is connected with side bearer (33), the activity has cup jointed grafting subassembly (34) on side bearer (33), and grafting subassembly (34) one end on a set of rotation adjustment mechanism (3) is connected with rotating motor (35).

2. The positioning fixture for optical curve mold processing according to claim 1, wherein the fixture fixing frame (1) further comprises supporting frames (12) arranged at four corners of the lower end of the guide frame (13), and a bottom plate (11) is connected to the lower end of each supporting frame (12).

3. The positioning fixture for optical curve mold processing according to claim 1, wherein guide grooves (131) are formed on both sides of the guide frame (13).

4. The positioning fixture for optical curve mold processing according to claim 1, wherein the fixture fixing frame (1) further comprises four sets of sleeve connecting rods (14) fixedly arranged at the lower end of the guide frame (13), and the sleeve connecting rods (14) are movably sleeved with the primary positioning mechanism (2).

5. The positioning fixture for optical curve mold processing according to claim 1, wherein the preliminary positioning mechanism (2) further comprises a driving cylinder (21) arranged at the center of the lower end of the guide frame (13), the lifting frame (22) is connected to the lifting end of the driving cylinder (21), four corners of the lower end of the lifting frame (22) are connected with guide rods (23), and the guide rods (23) are movably inserted into the sleeve connecting rods (14).

6. The positioning fixture for optical curve mold processing as set forth in claim 3, wherein the upper and lower corresponding parts of the lifting frame (22) and the guide groove (131) are provided with extension grooves (221), and two ends of the lifting frame (22) are provided with narrow openings (222).

7. The positioning fixture for optical curve mold processing as set forth in claim 1, wherein the rotation adjusting mechanism (3) further comprises a fixing component (32) inserted into the L-shaped frame (31) and the clamping groove (132), the fixing component (32) comprises a plugging rod (321), a thread (322) is formed at the upper end of the plugging rod (321), and a knob (323) is sleeved on the thread (322).

8. The positioning fixture for optical curve mold processing as set forth in claim 1, wherein one end of the plugging component (34) is connected with a turntable shorting post (341) and a turntable long connecting post (342), and the turntable shorting post (341) and the turntable long connecting post (342) are respectively provided with two groups and are arranged in a circular array.