CN209477097U

CN209477097U - A kind of molding stamping die of high-performance lens barrel

Info

Publication number: CN209477097U
Application number: CN201920059555.1U
Authority: CN
Inventors: 徐国勇
Original assignee: Jiangxi Xusunshine Electricity Co Ltd
Current assignee: Jiangxi Xuyang Technology Co., Ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2019-10-11
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a kind of molding stamping dies of high-performance lens barrel, belong to lens barrel forming mold technical field, including bottom plate, the lower die holder being fixed on plate top surface, the top plate being fixed on lower die holder top surface, upper die holder, mandrel for fixed lens barrel, and two clamp assemblies for clamping lens barrel, upper die holder top surface is fixed with the first guide post, upper die holder bottom surface is fixed with pressed sheet, the bottom surface of pressed sheet is equipped with the first inner groovy, lower die holder top surface is equipped with the accommodating chamber protruded into for pressed sheet activity, the bottom surface of accommodating chamber is fixed for the support base of support mandrel, the top surface of support base is equipped with the second inner groovy, clamp assemblies include the second guide post, grip block, and hydraulic axis cylinder, grip block one side is equipped with third inner groovy, when punching press state, first inner groovy, the medial surface of second inner groovy and third inner groovy with Lens barrel periphery face contact presses and surrounds the cylindrical cavity concentric with mandrel；Easy to use, lens barrel shaping efficiency is high, Forming Quality is stablized.

Description

A kind of molding stamping die of high-performance lens barrel

Technical field

The utility model relates to lens barrel forming mold technical fields, more particularly to a kind of high-performance lens barrel is molding Stamping die.

Background technique

Lens barrel is the main component of optical telescope, it is desirable that lens barrel has higher dimensional accuracy and geometric tolerance, especially It is required that being not allow for loudspeaker without protrusion, pit, serious damage, local deformation, Zinc Scaling and both ends on the appearance arc surface of lens barrel Mouth lacks phenomenon；Existing lens barrel contour machining procedure, it can be common that using mandrel in engine lathe processing, such operation side Not only the manufacturing cycle is long for formula, but also processing every time all is that single lens barrel is processed, and efficiency is lower；And lens barrel in process Processing quality be mainly to be decided by the familiarity of operator, it is difficult to guarantee that the presentation quality of lens barrel is stablized.

Utility model content

In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of high-performance The molding stamping die of lens barrel realizes the expansion fit up and down of upper die holder by the cooperation of the first guide post and the first pilot hole, The staking punch of stamping device is fixedly connected with the first guide post and guide post is driven to move up and down, thus multiple on mandrel to being set in Lens barrel punching press suture molding using the support base for the accommodating chamber bottom surface for being located at lower die holder come support mandrel, and is lived by setting Second guide post of dynamic setting grips mandrel to drive grip block, keeps the fixation of its mandrel more steady, and be located at grip block On third inner groovy, the first inner groovy on pressed sheet and between the second inner groovy on support base in punching Formation and the concentric cylindrical cavity of mandrel, guarantee the preferable circular arc degree of lens barrel in punching course, further increase when pressure condition The accuracy of punching press improves the molding quality of lens barrel, and shaping efficiency is high.

For this purpose, the utility model uses a kind of following technical scheme: molding stamping die of high-performance lens barrel, packet Include the bottom plate, lower die holder being fixed on the plate top surface, the top plate being fixed on the lower die holder top surface, Telescopic Fixed in institute State on bottom plate and with the upper die holder of lower die holder cooperation, for the mandrel of fixed lens barrel and for clamping the lens barrel Two clamp assemblies, the top plate are fixedly connected by several fixed columns with the lower die holder, one end of the fixed column with it is described Top board undersurface is fixedly connected, and the other end of the fixed column is fixedly connected with the top surface of the lower die holder；

The upper die holder top surface is vertically and fixedly provided with the first guide post in middle position, and the upper die holder bottom surface is fixed with punching press Plate, the bottom surface of the pressed sheet be equipped with lens barrel activity pressing and the first arc-shaped inner groovy, the top plate is in middle position Equipped with the first pilot hole for running through the top plate and passing through for the first guide post activity, the lower die holder top surface is equipped with described in confession The accommodating chamber that pressed sheet activity is protruded into, the both ends of the accommodating chamber extend through the both ends of the surface of the lower die holder, the accommodating chamber Bottom surface be fixed with support base that is T-shaped and being used to support the mandrel, the top surface of the support base is equipped with matches with the mandrel It closes and the second arc-shaped inner groovy, the mandrel is fixed on the support base；

It is respectively equipped on the symmetrical two sides of lower die holder in middle position and is connected to the second pilot hole of the accommodating chamber, The clamp assemblies include the second guide post for plugging cooperation with second pilot hole, grip block and are fixed on the lower die Seat is outer and is used to drive the hydraulic axis cylinder of the second guide post movable telescopic, and the accommodating chamber is protruded into one end of second guide post And it is connect with the grip block, the other end and the stretching lower die holder and the shaft with the hydraulic axis cylinder of second guide post It is fixedly connected, forms the grasping part for clamping the lens barrel between the grip block, the grip block one side is equipped with and institute State mandrel cooperation and arc-shaped third inner groovy, when punching press state, first inner groovy, second inner groovy and The medial surface of the third inner groovy presses with lens barrel periphery face contact and surrounds the cylinder concentric with the mandrel Chamber.

Optionally, the both ends of the mandrel are respectively fixed with the fixing axle for stretching out the accommodating chamber, in institute on the bottom plate Two end sides for stating lower die holder are respectively fixed with fixed block for fixing the fixing axle, and the top surface of the fixed block is equipped with for institute The lock chamber that fixing axle one end is protruded into is stated, the both ends of the lock chamber extend through the both ends of the surface of the fixed block, the fixation Axis is in being respectively fixed with the first stop collar around the fixing axle circle distribution, institute on the shaft part lateral wall for protruding into the lock chamber The inner sidewall for stating lock chamber is equipped with the limit slot cooperated with first stop collar.

Optionally, first guide post is equipped in the shell of column lateral wall being located above the top plate around first guide post Second stop collar of circle distribution, be arranged on first guide post between second stop collar and the top plate One reset spring, one end of the first back-moving spring contact with the bottom surface of second stop collar and offset, and described first resets The other end of spring is contacted with the top surface of the top plate and is offseted, and second guide post is in the shell of column lateral wall for stretching out the lower die holder It is equipped with the third stop collar around the second guide post circle distribution, is arranged on second guide post and is limited positioned at the third Second back-moving spring between ring and the lower die holder, the side of one end of the second back-moving spring and the third stop collar Face contact offsets, and the other end of the second back-moving spring is contacted with the lateral wall of the lower die holder and offseted.

Optionally, the accommodating chamber side wall in it is described second guiding hole site be equipped be connected to second pilot hole and For accommodating the escape groove of the grip block, the thickness of the grip block is less than the depth of the escape groove.

Optionally, the bottom plate is equipped with several mounting holes for fixing.

Optionally, the support base includes the first supporting block and be perpendicularly fixed in first supporting block second Bracer, first supporting block and the accommodating chamber activity plug cooperation, the bottom surface of first supporting block and the accommodating chamber Bottom surface contact fitting, the two sides of first supporting block contact fitting, the third with the side of the accommodating chamber respectively Inner groovy is set on the top surface of second supporting block.

The utility model has the following beneficial effects: the utility model is realized by the cooperation of the first guide post and the first pilot hole The expansion fit up and down of die holder, the staking punch of stamping device are fixedly connected with the first guide post and guide post are driven to move up and down, from And multiple lens barrel punching presses suture molding to being set on mandrel, it is propped up using the support base for the accommodating chamber bottom surface for being located at lower die holder Support core axis, and grip block is driven to grip mandrel by the second guide post that setting activity is arranged, make consolidating for its mandrel It is fixed more steady, and be located on grip block third inner groovy, the first inner groovy on pressed sheet and be located on support base The second inner groovy between when punching press state formed with the concentric cylindrical cavity of mandrel, guarantee punching course in lens barrel it is preferable Circular arc degree, further increase the accuracy of punching press, improve the molding quality of lens barrel, and shaping efficiency is high.

Detailed description of the invention

Fig. 1 is the molding stamping die overall structure of a kind of high-performance lens barrel that specific embodiment of the present invention provides Schematic diagram.

Fig. 2 is a kind of molding stamping die of high-performance lens barrel of specific embodiment of the present invention offer in feeding shape Structural schematic diagram when state.

Fig. 3 is a kind of molding stamping die of high-performance lens barrel of specific embodiment of the present invention offer in punching press shape Structural schematic diagram when state.

Fig. 4 is the location A enlarged diagram of Fig. 2.

Fig. 5 is the molding stamping die punching press state of a kind of high-performance lens barrel that specific embodiment of the present invention provides When partial schematic diagram.

In figure: 11, bottom plate；12, top plate；121, the first pilot hole；13, fixed column；2, lower die holder；21, accommodating chamber；22, Second pilot hole；23, escape groove；31, upper die holder；32, the first guide post；321, the second stop collar；322, first back-moving spring； 33, pressed sheet；331, the first inner groovy；41, the second guide post；411, third stop collar；412, second back-moving spring；42, it clamps Block；421, third inner groovy；5, support base；50, the second inner groovy；51, the first supporting block；52, the second supporting block；61, mandrel； 62, fixing axle；621, the first stop collar；63, fixed block；631, lock chamber；632, slot is limited；7, lens barrel.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

As depicted in figs. 1 and 2, a kind of molding stamping die of high-performance lens barrel, including bottom plate 11, be fixed on bottom plate 11 top It is lower die holder 2 on face, the top plate 12 being fixed on 2 top surface of lower die holder, Telescopic Fixed in cooperating on bottom plate 11 and with lower die holder 2 Upper die holder 31, two clamp assemblies for the mandrel 61 of fixed lens barrel 7 and for clamping lens barrel 7, if top plate 12 is by solid Fixed column 13 is fixedly connected with lower die holder 2, and one end of fixed column 13 is fixedly connected with 12 bottom surface of top plate, the other end of fixed column 13 with The top surface of lower die holder 2 is fixedly connected, and bottom plate 11 is equipped with several mounting hole (not shown) for fixing；Specifically, originally In embodiment, stamping die is fixed on the workbench of stamping equipment, and is realized and be fixedly mounted using mounting hole, and mandrel 61 is circle The lens barrel 7 of semi-finished product is set on mandrel 61 and realizes fixation by axis of a cylinder.

As depicted in figs. 1 and 2,31 top surface of upper die holder is vertically and fixedly provided with the first guide post 32,31 bottom of upper die holder in middle position Face is fixed with pressed sheet 33, and the bottom surface of pressed sheet 33 is equipped with and 7 activity pressing of lens barrel and the first arc-shaped inner groovy 331, top Plate 12 is equipped with the first pilot hole 121 for running through top plate 12 and passing through for 32 activity of the first guide post, 2 top surface of lower die holder in middle position Equipped with the accommodating chamber 21 protruded into for 33 activity of pressed sheet, the both ends of accommodating chamber 21 extend through the both ends of the surface of lower die holder 2, accommodating chamber 21 bottom surface is fixed with support base 5 that is T-shaped and being used to support mandrel 61, the top surface of support base 5 be equipped with the cooperation of mandrel 61 and The second arc-shaped inner groovy 50, mandrel 61 are fixed on support base 5；Specifically, between the first guide post 32 and upper die holder 31 It can be and be threadedly engaged, easy disassembly；The staking punch of stamping equipment is fixedly connected with the first guide post 32, is driven on the first guide post 32 Lower movement, so that the up and down motion to drive upper die holder 31 directly drives the staking punch of stamping equipment, band after the completion of feeding Dynamic first guide post 32 moves downward, so that pressed sheet 33 carries out punching press to the suture location of lens barrel 7, realizes rushing for lens barrel 7 Tooled joint synthesis type；In addition, support base 5 is including the first supporting block 51 and is perpendicularly fixed at the first supporting block 51 in the present embodiment On the second supporting block 52, the first supporting block 51 plugs cooperation, the bottom surface of the first supporting block 51 and receiving with 21 activity of accommodating chamber The bottom surface of chamber 21 contacts fitting, and the two sides of the first supporting block 51 contact fitting, third indent with the side of accommodating chamber 21 respectively Slot 421 is set on the top surface of the second supporting block 52, and the first supporting block 51 and the second supporting block 52 can be integrated formed structure, Wherein the first supporting block 51 plugs cooperation with accommodating chamber 21, facilitates the demolition and maintenance of support base 5, and utilize adjustment support base 5 height can be by 21 bottom of the first supporting block 51 and accommodating chamber so as to adjust the height of the mandrel 61 of the corresponding diameter of axle Plug sets cushion block to control height between face, produces to adapt to the punch forming of lens barrel 7 of different dimensions.

As shown in Figures 1 to 4, connection accommodating chamber 21 is respectively equipped in middle position on the symmetrical two sides of lower die holder 2 Second pilot hole 22, clamp assemblies include the second guide post 41 for plugging cooperation with the second pilot hole 22, grip block 42 and fix Hydraulic axis cylinder (not shown) outer and for driving 41 movable telescopic of the second guide post, one end of the second guide post 41 in lower die holder 2 It protrudes into accommodating chamber 21 and is connect with grip block 42, the other end and stretching lower die holder 2 and the axis with hydraulic axis cylinder of the second guide post 41 Bar is fixedly connected, and the grasping part of clamping lens barrel 7 is formed between grip block 42, and 42 one side of grip block is equipped with matches with mandrel 61 Conjunction and arc-shaped third inner groovy 421, when punching press state, the first inner groovy 331, the second inner groovy 50 and third indent The medial surface of slot 421 presses with 7 periphery face contact of lens barrel and surrounds the cylindrical cavity concentric with mandrel 61；Specifically, originally Also have in embodiment and provide the hydraulic pump of power to hydraulic axis cylinder, and is also possible between the second guide post 41 and grip block 42 It is threadedly engaged, maintenance easy to disassemble；Wherein when punching press state, in the first inner groovy 331, the second inner groovy 50 and third The medial surface of groove 421 presses with 7 periphery face contact of lens barrel and surrounds the cylindrical cavity concentric with mandrel 61, such design Guarantee, the medial surface of the first inner groovy 331, the second inner groovy 50 and third inner groovy 421 can be with the lateral surface of lens barrel 7 Fitting reduces or avoids protrusion on 7 arc surface of lens barrel, pit, serious stroke to guarantee the circularity in 7 punching course of lens barrel Wound, local deformation lamp unfavorable condition, the preferable Forming Quality for improving lens barrel 7, and multiple lens barrels 7 can be once formed, compared with Good improves 7 shaping efficiency of lens barrel.

Working principle of the utility model is: as shown in Fig. 2, Fig. 3 and Fig. 4, feeding process, by the taking-up of mandrel 61 and successively It is arranged lens barrel 7 to be processed, and keeps that there is certain spacing between lens barrel 7, punching course is avoided to lead to phase between lens barrel 7 Even, then make the seam area needed to stamp between lens barrel 7 towards the first inner groovy 331 of pressed sheet 33, then fix core Axis 61；It drives hydraulic axis cylinder again at this time, drives the movement of the second guide post 41, so that grip block 42 grips the formation of lens barrel 7；Again Start stamping equipment and realizes punching press；After the completion of punching press, discharging repeats aforesaid operations, repeats punch forming.

Generally speaking, the utility model realizes upper die holder 31 by the cooperation of the first guide post 32 and the first pilot hole 121 Upper and lower expansion fit, the staking punch of stamping device is fixedly connected with the first guide post 32 and guide post is driven to move up and down, thus right 7 punching press of the multiple lens barrels suture molding being set on mandrel 61, utilizes the support base 5 for 21 bottom surface of accommodating chamber for being located at lower die holder 2 Carry out support mandrel 61, and grip block 42 driven by the second guide post 41 that setting activity is arranged to grip mandrel 61, Keep the fixation of its mandrel 61 more steady, and be located on grip block 42 third inner groovy 421, in first on pressed sheet 33 It is formed and the concentric circle of mandrel 61 when punching press state between groove 331 and the second inner groovy 50 on support base 5 Column chamber guarantees the preferable circular arc degree of lens barrel 7 in punching course, further increases the accuracy of punching press, and it is molding to improve lens barrel 7 Quality, and shaping efficiency is high.

Optionally, as shown in Figure 1, the both ends of mandrel 61 are respectively fixed with the fixing axle 62 for stretching out accommodating chamber 21, bottom plate 11 On in two end sides of lower die holder 2 be respectively fixed with the fixed block 63 for fixing fixing axle 62, the top surface of fixed block 63, which is equipped with, to be supplied The lock chamber 631 that 62 one end of fixing axle is protruded into, the both ends of lock chamber 631 extend through the both ends of the surface of fixed block 63, fixing axle 62 In being respectively fixed with the first stop collar 621 around 62 circle distribution of fixing axle on the shaft part lateral wall for protruding into lock chamber 631, fix The inner sidewall of chamber 631 is equipped with the limit slot 632 cooperated with the first stop collar 621；Specifically, the fixation in the present embodiment 631 depth of chamber is greater than the diameter of fixing axle 62, to facilitate the fixation of the mandrel 61 of the different diameters of axle, when the diameter of axle of mandrel 61 is smaller When, fixing axle 62 is also just relatively more goed deep into lock chamber 631, and when the diameter of axle of mandrel 61 is larger, fixing axle 62 It is just located relatively at 631 upper end position of lock chamber, is capable of providing the certain activity space of fixing axle 62, more convenient fixing axle 62 Fixation；And the both ends of lock chamber 631 extend through the both ends of the surface of fixed block 63, are more convenient the disassembly peace of fixing axle 62 Dress；Other first stop collar 621 is square or polygon, improves the stability of secure fit.

Optionally, as shown in FIG. 2 and 3, the first guide post 32 is equipped in the shell of column lateral wall being located above top plate 12 Around the second stop collar 321 of 32 circle distribution of the first guide post, it is arranged on the first guide post 32 positioned at the second stop collar 321 and top plate First back-moving spring 322 between 12, one end of first back-moving spring 322 contact with the bottom surface of the second stop collar 321 and offset, the The other end of one reset spring 322 is contacted with the top surface of top plate 12 to offset, and the second guide post 41 is on the outside of the shell of column for stretching out lower die holder 2 Wall is equipped with the third stop collar 411 around 41 circle distribution of the second guide post, is arranged on the second guide post 41 positioned at third stop collar Second back-moving spring 412 between 411 and lower die holder 2, one end of second back-moving spring 412 and the side of third stop collar 411 Face contact offsets, and the other end of second back-moving spring 412 is contacted with the lateral wall of lower die holder 2 to offset；Specifically, by corresponding First back-moving spring 322 and second back-moving spring 412 power that first guide post 32 and the second guide post 41 reset is provided, the One can be avoided the sliding of guide post in mold transportational process, and second being capable of a degree of reduction stamping equipment staking punch and liquid Last item cylinder uses power, and energy saving reduces production cost.

Optionally, 21 side wall of accommodating chamber is equipped in 22 position of the second pilot hole and is connected to the second pilot hole 22 and for receiving Hold the escape groove 23 of grip block 42, the thickness of grip block 42 is less than the depth of escape groove 23；Specifically, escape groove 23 is set, Grip block 42 can be accommodated in feeding and therefore avoid facilitating loading and unloading to the interference effect of feeding.

The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to In the range of the utility model protection.

Claims

1. a kind of molding stamping die of high-performance lens barrel, it is characterised in that:

Including bottom plate (11), the lower die holder (2) being fixed on the bottom plate (11) top surface, it is fixed on the lower die holder (2) top surface On top plate (12), it is Telescopic Fixed on the bottom plate (11) and with the upper die holder (31) of the lower die holder (2) cooperation, for solid The mandrel (61) of fixed lens barrel (7) and two clamp assemblies for clamping the lens barrel (7), the top plate (12) pass through several Fixed column (13) is fixedly connected with the lower die holder (2), and one end and the top plate (12) bottom surface of the fixed column (13) are fixed Connection, the other end of the fixed column (13) are fixedly connected with the top surface of the lower die holder (2)；

Upper die holder (31) top surface is vertically and fixedly provided with the first guide post (32) in middle position, and upper die holder (31) bottom surface is fixed Have pressed sheet (33), the bottom surface of the pressed sheet (33) is equipped with and lens barrel (7) activity pressing and the first arc-shaped inner groovy (331), the top plate (12) is equipped with through the top plate (12) in middle position and passes through for the first guide post (32) activity The first pilot hole (121), lower die holder (2) top surface is equipped with for accommodating chamber (21) for protruding into of the pressed sheet (33) activity, The both ends of the accommodating chamber (21) extend through the both ends of the surface of the lower die holder (2), and the bottom surface of the accommodating chamber (21) is fixed with The top surface of support base (5) that is T-shaped and being used to support the mandrel (61), the support base (5) is equipped with and the mandrel (61) Cooperate and arc-shaped the second inner groovy (50), the mandrel (61) are fixed on the support base (5)；

The second guiding of the connection accommodating chamber (21) is respectively equipped on the symmetrical two sides of the lower die holder (2) in middle position Hole (22), the clamp assemblies include the second guide post (41) that cooperation is plugged with second pilot hole (22), grip block (42), And it is fixed on the lower die holder (2) outside and for driving the hydraulic axis cylinder of the second guide post (41) movable telescopic, described the One end of two guide posts (41) is protruded into the accommodating chamber (21) and is connect with the grip block (42), second guide post (41) it is another One end with stretch out the lower die holder (2) and be fixedly connected with the shaft of the hydraulic axis cylinder, formed between the grip block (42) The grasping part of the lens barrel (7) is clamped, grip block (42) one side, which is equipped with, to be cooperated with the mandrel (61) and be in arc The third inner groovy (421) of shape, when punching press state, first inner groovy (331), second inner groovy (50) and institute The medial surface for stating third inner groovy (421) is pressed with the lens barrel (7) periphery face contact and is surrounded same with the mandrel (61) The cylindrical cavity in axle center.

2. a kind of molding stamping die of high-performance lens barrel as described in claim 1, it is characterised in that:

The both ends of the mandrel (61) are respectively fixed with the fixing axle (62) for stretching out the accommodating chamber (21), on the bottom plate (11) The fixed block (63) for fixing the fixing axle (62), the fixation are respectively fixed in two end sides of the lower die holder (2) The top surface of block (63) is equipped with the lock chamber (631) protruded into for the fixing axle (62) one end, the both ends point of the lock chamber (631) Not Guan Chuan the fixed block (63) both ends of the surface, the fixing axle (62) is in the shaft part lateral wall for protruding into the lock chamber (631) On be respectively fixed with the first stop collar (621) around the fixing axle (62) circle distribution, the inner sidewall of the lock chamber (631) It is equipped with the limit slot (632) cooperated with first stop collar (621).

3. a kind of molding stamping die of high-performance lens barrel as described in claim 1, it is characterised in that:

First guide post (32) is equipped in the shell of column lateral wall being located above the top plate (12) around first guide post (32) the second stop collar (321) of circle distribution is arranged with positioned at second stop collar (321) on first guide post (32) First back-moving spring (322) between the top plate (12), one end of the first back-moving spring (322) and second limit The bottom surface contact of position ring (321) offsets, and the other end of the first back-moving spring (322) is contacted with the top surface of the top plate (12) It offsets, second guide post (41) is equipped in the shell of column lateral wall for stretching out the lower die holder (2) around second guide post (41) The third stop collar (411) of circle distribution is arranged with positioned at the third stop collar (411) and institute on second guide post (41) The second back-moving spring (412) between lower die holder (2) is stated, one end of the second back-moving spring (412) and the third limit The side face contact of ring (411) offsets, the other end of the second back-moving spring (412) and the lateral wall of the lower die holder (2) Contact offsets.

4. a kind of molding stamping die of high-performance lens barrel as described in claim 1, it is characterised in that:

Accommodating chamber (21) side wall is equipped in the second pilot hole (22) position and is connected to second pilot hole (22) And the escape groove (23) for accommodating the grip block (42), the thickness of the grip block (42) are less than the escape groove (23) Depth.

5. a kind of molding stamping die of high-performance lens barrel as described in claim 1, it is characterised in that:

The bottom plate (11) is equipped with several mounting holes for fixing.

6. a kind of molding stamping die of high-performance lens barrel as described in claim 1, it is characterised in that:

The support base (5) includes the first supporting block (51) and be perpendicularly fixed on first supporting block (51) second Bracer (52), first supporting block (51) and the accommodating chamber (21) activity plug cooperation, first supporting block (51) Bottom surface contacts fitting with the bottom surface of the accommodating chamber (21), the two sides of first supporting block (51) respectively with the accommodating chamber (21) side contacts fitting, and the third inner groovy (421) is set on the top surface of second supporting block (52).