CN210116114U

CN210116114U - Elastic positioning device for intensive products

Info

Publication number: CN210116114U
Application number: CN201920845970.XU
Authority: CN
Inventors: 朱文杰
Original assignee: CHANGZHOU NALUX OPTICS CO LTD
Current assignee: CHANGZHOU NALUX OPTICS CO LTD
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-28
Anticipated expiration: 2029-06-06

Abstract

The utility model belongs to the technical field of lens processing equipment, in particular to an elastic positioning device for intensive products, which comprises an outer base, an inner base and a positioning driving piece, wherein the outer base is fixedly provided with a reference plate, the inner base is connected with the outer base in a sliding way, and the inner base slides close to or far from the reference plate, an elastic element is arranged between the inner base and the reference plate, a plurality of positioning columns are fixedly arranged on the inner base, a wedge-shaped block is fixedly arranged at one end of the inner base far away from the reference plate, the positioning driving piece is fixedly arranged on the side of the outer base, the outer base is arranged in a sliding way relative to the positioning driving piece, the sliding direction of the outer base is vertical to that of the inner base, when the outer base slides close to the positioning driving piece, the positioning driving piece is in contact with the wedge block and is used for driving the inner base to slide close to the reference plate.

Description

Elastic positioning device for intensive products

Technical Field

The utility model belongs to the technical field of the lens processing equipment, especially, relate to an intensive product elastic positioning device.

Background

Optical lenses have stringent requirements for the length of the gate due to later assembly requirements. The manual shearing by the electric heating shears needs long-term training to meet the qualified requirement, and each state of the manual shearing can be different, so that when the lenses are accepted, in order to prevent the error of intermediate personnel from causing the overlong or overlong scalding of the sprue, each lens needs to be inspected. In the lens course of working, adopt the device of locating pin location, generally carry out the clamping through fixed runner, however in the forming process, the resin cooling can take place to warp, and the runner also can follow takes place to warp, because the runner is being fixed to the locating pin, so the runner of product is also neglected the length very easily and is neglected the weak point.

The elastic positioning device before my department gives priority to the end of a product as a positioning reference, and mainly applies pressure to a sub-channel of the product to enable one end of the product to be attached to a reference block so as to achieve the purpose of taking the end of the product as the reference. Therefore, the distance from the blade to the reference is adjusted, the shearing length of the blade is the distance from the blade to the reference, and the middle of the blade is not affected by the bending of the runner, so that the length size of the sprue can be strictly controlled, and the shearing length and the fluctuation of the shearing length can be respectively controlled within 0.1mm and 0.05mm, which can be specifically referred to patent document 201520411822.9 with patent name of 'an elastic positioning device'. However, when the shunt is complex and no position or space is available for applying pressure, the existing elastic positioning device cannot be used in the state, so that I can further research and upgrade the prior art to obtain an intensive product elastic positioning device.

SUMMERY OF THE UTILITY MODEL

The elastic positioning device that exists for solving prior art can't satisfy the more complicated intensive product location's of subchannel problem, the utility model provides an intensive product elastic positioning device.

In order to solve the technical problems, the technical proposal adopted by the utility model is that the elastic positioning device for the intensive products comprises an outer base, an inner base and a positioning driving piece, wherein a reference plate is fixedly arranged on the outer base, the inner base is connected with the outer base in a sliding way, and the inner base slides close to or far from the reference plate, an elastic element is arranged between the inner base and the reference plate, a plurality of positioning columns are fixedly arranged on the inner base, a wedge-shaped block is fixedly arranged at one end of the inner base far away from the reference plate, the positioning driving piece is fixedly arranged on the side of the outer base, the outer base is arranged in a sliding way relative to the positioning driving piece, the sliding direction of the outer base is vertical to that of the inner base, when the outer base slides close to the positioning driving piece, the positioning driving piece is in contact with the wedge block and is used for driving the inner base to slide close to the reference plate.

Preferably, the elastic positioning device further comprises a base, the outer base is arranged on the base in a sliding mode through the main guide rail, and the inner base is connected with the outer base in a sliding mode through the auxiliary guide rail.

Preferably, the positioning driving part comprises a support and a spring plunger, the support is fixedly arranged on the base, the spring plunger is fixedly arranged on the support, and a column head of the spring plunger is matched with the wedge block. Simple structure, convenient assembly and low cost.

Preferably, the support is provided with a waist-shaped hole, the direction of the waist-shaped hole is consistent with the sliding direction of the inner base, and the support is fixedly arranged on the base through the waist-shaped hole and the connecting screw. The distance between the spring plunger and the wedge-shaped block is convenient to adjust, the application range of the elastic positioning device is expanded, meanwhile, the elastic force weakening caused by long-term use of the elastic element and/or the spring plunger is convenient to compensate, and the service life of the elastic positioning device is prolonged.

Furthermore, the elastic element is a return spring, and the elastic direction of the return spring is consistent with the sliding direction of the inner base. The return spring has reliable elasticity and low cost.

Further, the product includes material pole and a plurality of lens, the material pole through the runner with lens are connected, the runner is crooked to form a plurality of locating holes, the reference column cooperates with the locating hole, set up the accommodation hole of mutual intercommunication on interior base and the outer base, the accommodation hole is used for holding the material pole. Place the product on the inner base, the material pole is arranged in the accommodation hole, and the reference column cooperates with the positioning hole to carry out primary positioning to the product, drives the product motion through the inner base for the product tip pastes tightly with the reference surface of reference plate, cooperates the spacing product of reference column simultaneously, reaches the effect of accurate positioning, and location structure is simple reliable, and no matter how high of runner complexity, all can use this elastic positioning device to fix a position.

Has the advantages that: the utility model discloses an intensive product elastic positioning device places the product on the inner base, and the material pole is located the accommodation hole, and the reference column cooperates with the locating hole and carries out primary positioning to the product, drives the product motion through the inner base, makes the product tip paste closely with the reference surface of benchmark board, cooperates the spacing product of reference column simultaneously, reaches the effect of accurate positioning, is applicable to the product of complicated runner, no matter how high the runner complexity is, can all use this elastic positioning device to fix a position, the length size of strict control runner, cut length fluctuation control is within 0.05 mm; the utility model discloses an intensive product elastic positioning device, stable shearing size can examine the change for the selective examination with original product is whole, is guaranteeing under stable quality, has improved the process simultaneously, has reduced artificial cost.

Drawings

FIG. 1 is a schematic view of the compact product elastic positioning device of the present invention in a three-dimensional structure in a retreated state;

FIG. 2 is a schematic view of the compact elastic positioning device of the present invention in a three-dimensional structure in a pushing state;

FIG. 3 is an exploded view of the elastic positioning device for compact products of the present invention;

FIG. 4 is a schematic top view of the elastic positioning device for compact products of the present invention;

FIG. 5 is a schematic cross-sectional view taken along the line A-A in FIG. 4;

in the figure: 1. outer base, 11, benchmark board, 2, interior base, 21, reference column, 22, wedge, 23, accommodation hole, 3, reset spring, 4, base, 5, main guide rail, 6, vice guide rail, 7, location driving piece, 71, support, 711, waist shape hole, 72, connecting screw, 73, spring plunger, 8, product, 81, material pole, 82, lens, 83, runner, 84, locating hole.

Detailed Description

Examples

As shown in fig. 1 to 5, an elastic positioning device for an intensive product, where the product 8 includes a material rod 81 and a plurality of lenses 82, the material rod 81 is connected to the lenses 82 through a flow channel 83, the flow channel 83 is bent to form a plurality of positioning holes 84, the elastic positioning device includes an outer base 1, an inner base 2, a base 4 and a positioning driving member 7, a reference plate 11 is fixedly disposed on the outer base 1, the inner base 2 is slidably connected to the outer base 1 through a sub-guide rail 6, the inner base 2 slides close to or away from a reference surface of the reference plate 11, a plurality of positioning posts 21 are fixedly disposed on the inner base 2, the positioning posts 21 are matched with the positioning holes 84, receiving holes 23 are formed in the inner base 2 and the outer base 1, the receiving holes 23 are used for receiving the material rod 81, an elastic element is disposed between the inner base 2 and the reference plate 11, this embodiment reset spring 3 is chooseed for use to elastic element, reset spring 3's elasticity direction is unanimous with interior base 2's slip direction, interior base 2 keeps away from the fixed wedge 22 that is provided with of one end of benchmark board 11, outer base 1 slides through main guide rail 5 and sets up on base 4, location driving piece 7 is fixed to be set up on base 4 and is located outer base 1's side, outer base 1 slides for location driving piece 7, just outer base 1's slip direction and interior base 2's slip direction mutually perpendicular work as outer base 1 is close to when location driving piece 7 slides, location driving piece 7 slides near benchmark board 11 with wedge 22 contact is used for driving interior base 2.

In order to facilitate the procurement and assembly of the positioning driving member 7, the positioning driving member 7 comprises a bracket 71 and a spring plunger 73, the bracket 71 is fixedly arranged on the base 4, the spring plunger 73 is fixedly arranged on the bracket 71, and a column head of the spring plunger 73 is matched with the wedge block 22.

In order to expand the application range of the elastic positioning device and prolong the service life of the elastic positioning device, a waist-shaped hole 711 is formed in the bracket 71, the direction of the waist-shaped hole 711 is consistent with the sliding direction of the inner base 2, and the bracket 71 is fixedly arranged on the base 4 through the waist-shaped hole 711 and a connecting screw 72.

The working principle is as follows:

firstly, a product 8 is placed on the inner base 2 through the positioning column 21 for initial positioning, at the moment, the positioning column 21 is matched with the positioning hole 84, the material rod 81 is positioned in the accommodating hole 23, as shown in fig. 2, the outer base 1 is pushed towards the spring plunger 73 along the main guide rail 5, when the spring plunger 73 contacts the wedge block 22, the spring plunger 73 pushes the inner base 2 to move towards the reference plate 11 along the auxiliary guide rail 6 through pushing the wedge block 22, when the end part of the product 8 is tightly attached to the reference surface of the reference plate 11, the outer base 1 stops being pushed, at the moment, the return spring 3 is in a compression state, and the reference plate 11 is matched with the positioning column 21 to accurately position the product 8 on the inner base 2; after the product 8 is cut, as shown in fig. 1, the outer base 1 retreats along the main guide rail 5 away from the spring plunger 73, and the inner base 2 is reset along the auxiliary guide rail 6 away from the reference plate 11 under the action of the reset spring 3 to prepare for cutting the next product 8; high repeatability of shearing is realized, so that the length of a gate of the product 8 after each shearing is controlled within 0.1mm, and the fluctuation is below 0.05 mm.

Claims

1. The utility model provides an intensive product elastic positioning device which characterized in that: including outer base (1), interior base (2) and location driving piece (7), fixed benchmark board (11) that is provided with on outer base (1), interior base (2) and outer base (1) sliding connection, just interior base (2) are close to or keep away from benchmark board (11) and slide, be provided with elastic element between interior base (2) and benchmark board (11), interior base (2) are gone up to fix and are provided with a plurality of reference columns (21), the one end that benchmark board (11) were kept away from in interior base (2) is fixed and is provided with wedge (22), location driving piece (7) are fixed to be set up in the side of outer base (1), outer base (1) slides for location driving piece (7) and sets up, just the slip direction of outer base (1) is mutually perpendicular with the slip direction of interior base (2), when outer base (1) is close to location driving piece (7) and slides, the positioning driving piece (7) is in contact with the wedge-shaped block (22) and is used for driving the inner base (2) to slide close to the reference plate (11).

2. The apparatus for elastic positioning of dense products according to claim 1, wherein: the elastic positioning device further comprises a base (4), the outer base (1) is arranged on the base (4) in a sliding mode through a main guide rail (5), and the inner base (2) is connected with the outer base (1) in a sliding mode through an auxiliary guide rail (6).

3. The apparatus for elastic positioning of dense products according to claim 2, wherein: the positioning driving piece (7) comprises a support (71) and a spring plunger (73), the support (71) is fixedly arranged on the base (4), the spring plunger (73) is fixedly arranged on the support (71), and a column head of the spring plunger (73) is matched with the wedge block (22).

4. The apparatus for elastic positioning of dense products according to claim 3, wherein: waist-shaped holes (711) are formed in the support (71), the direction of the waist-shaped holes (711) is consistent with the sliding direction of the inner base (2), and the support (71) is fixedly arranged on the base (4) through the waist-shaped holes (711) and the connecting screws (72).

5. The apparatus for elastic positioning of dense products according to claim 1, wherein: the elastic element is a return spring (3), and the elastic direction of the return spring (3) is consistent with the sliding direction of the inner base (2).

6. The elastic positioning device for intensive products according to any one of claims 1 to 5, characterized in that: product (8) are including material pole (81) and a plurality of lens (82), material pole (81) through runner (83) with lens (82) are connected, runner (83) bending forms a plurality of locating holes (84), reference column (21) and locating hole (84) cooperation, interior base (2) and outer base (1) are gone up and are seted up accommodation hole (23) that communicate each other, accommodation hole (23) are used for holding material pole (81).