Anti-deformation tool for vacuum test of seal welding pumping source

By designing a vacuum testing fixture to prevent deformation of the sealed pump source, and utilizing the cooperation of the column, side block and movable plate, the deformation problem of the pump source caused by pressure difference during vacuum testing was solved, ensuring the stability and accuracy of the optical path.

CN223925922UActive Publication Date: 2026-02-17JIANGXI LIANOVATION NEW LIGHT COLLABORATIVE INNOVATION
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520537604.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-17
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

The sealed pump source may deform due to pressure difference during vacuum testing, affecting the accuracy of the internal optical path.

Method used

A vacuum testing fixture for sealing pump sources and preventing deformation was designed. Through the cooperation of columns, side blocks, side plates and movable plates, the lifting plate is driven by a turntable and screw to move the upper cover downward to press the pump source and avoid scratches. The movable plate is limited by the limiting groove and the limiting block.

Benefits of technology

It effectively reduces the deformation of the pump source caused by pressure difference, ensures the stability and accuracy of the optical path, and avoids the pump source from failing or malfunctioning due to deformation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223925922U_ABST
    Figure CN223925922U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of anti-deformation tools, and discloses a vacuum test anti-deformation tool for a seal welding pumping source, which solves the problem that the existing pumping source possibly deforms under the action of pressure to influence an internally assembled light path, and comprises a bottom plate, a pressing mechanism is arranged on the bottom plate, and a clamping mechanism is arranged on the bottom plate. A pumping source is placed at the top of the bottom plate, an O-shaped ring is arranged at the top of the pumping source, an upper cover is arranged at the top of the O-shaped ring, the pressing mechanism comprises two side plates symmetrically fixed to the outer side of the upper cover, the bottoms of the two side plates are fixedly connected with vertical plates, and the two vertical plates penetrate through the bottom plate and are movably connected with the bottom plate. The two sides of the pumping source are symmetrically and fixedly connected with two side blocks, and the top of the bottom plate is fixedly connected with a plurality of stand columns. According to the utility model, the upper cover can move downwards, and the O-shaped ring can extrude the pumping source conveniently, so that the pumping source is compressed without being scratched, and the deformation of the pumping source caused by pressure difference can be reduced conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anti-deformation frock, concretely is a kind of sealing welding pump source vacuum test anti-deformation frock. BACKGROUND

[0002] Laser is called "fastest knife", "most accurate ruler", "brightest light", and is called as new four great inventions of 20th century with atomic energy, computer, semiconductor, and high-power semiconductor laser has wide application in industrial processing, medical cosmetology, optical fiber communication, unmanned driving, intelligent robot etc.

[0003] Optical fiber pump source has the advantages of small volume, light weight, high electro-optical conversion efficiency, high reliability and long service life, and has important application in industrial processing, biological medicine and national defense etc.;Optical fiber assembly in optical fiber pump source includes fast-slow axis focusing mirror, ceramic ferrule and optical fiber, and the role is to compress laser spot into optical fiber.

[0004] At present, the mainstream pump source sealing method is sealing welding, and the welding quality needs to be tested after sealing welding, and the finished pump source is placed in a near-vacuum environment to test whether it leaks, due to the pressure difference of about 1 atmosphere between inside and outside, the pump source may be deformed under the action of pressure, affecting the internal assembled optical path, thereby causing the pump source to be unqualified or invalid. UTILITY MODEL CONTENTS

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a kind of sealing welding pump source vacuum test anti-deformation frock, effectively solve the problem that current pump source may be deformed under the action of pressure and affect the internal assembled optical path.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of sealing welding pump source vacuum test anti-deformation frock, including bottom plate, the bottom plate is equipped with pressing mechanism, and the top of bottom plate is placed with pump source, and the top of pump source is equipped with O type ring, and the top of O type ring is equipped with upper cover;

[0007] Pressing mechanism includes two side plates fixed symmetrically on the outer side of upper cover, the bottom of two side plates is fixedly connected with vertical plate, two vertical plates are all through bottom plate and are movably connected with bottom plate, the two sides of pump source are fixedly connected with two side blocks symmetrically, the top of bottom plate is fixedly connected with multiple vertical columns, each side block is movably sleeved on the outer side of each vertical column, and side plate is movably sleeved on the outer side of corresponding two vertical columns.

[0008] Preferably, the bottom of the bottom plate is fixedly connected with two guide columns symmetrically, the lifting plate is movably sleeved between the two guide columns, the outer side of the lifting plate is fixedly connected with two side frames symmetrically, the two side frames and the lifting plate are fixedly connected with a reinforcing rod, and the inner side of the two side frames is movably sleeved with a movable plate.

[0009] Preferably, the vertical plate is provided with a positioning groove, a positioning column is fixedly connected to the inner bottom wall of the positioning groove, and the movable plate is in sliding connection with the positioning groove and is sleeved on the outside of the positioning column.

[0010] Preferably, the bottom of the bottom plate is rotationally connected with a screw rod, the bottom end of the screw rod is fixedly connected with a drive shaft, the bottom end of the drive shaft is fixedly connected with a rotating disc, the lifting plate is threadedly sleeved on the outside of the screw rod, a connecting plate is fixedly connected between the bottom ends of the two guide columns, and the drive shaft penetrates through the connecting plate and is rotationally connected with the connecting plate.

[0011] Preferably, the outside of the side frame is provided with a limiting groove, a limiting block is in sliding connection in the limiting groove, and the limiting block is fixed to the outside of the movable plate.

[0012] Preferably, the outside of the side frame is fixedly sleeved with an abutting frame, and the side of the limiting block away from the lifting plate abuts against the abutting frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a novel anti-deformation workpiece structure for sealing and welding pump source vacuum test, which comprises a vertical plate, a side plate and a side block, and is characterized by comprising a side frame, a limiting groove, a limiting block and an abutting frame.

[0015] 2. The novel anti-deformation workpiece structure for sealing and welding pump source vacuum test is characterized by comprising a limiting groove, a limiting block and an abutting frame. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0017] In the drawings:

[0018] Figure 1 It is a novel anti-deformation workpiece structure for sealing and welding pump source vacuum test;

[0019] Figure 2 It is a novel anti-deformation workpiece structure for sealing and welding pump source vacuum test;

[0020] Figure 3 It is a novel anti-deformation workpiece structure for sealing and welding pump source vacuum test;

[0021] Figure 4This is a schematic diagram of the vertical plate structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the side frame structure of this utility model.

[0023] In the diagram: 1. Base plate; 2. Clamping mechanism; 201. Side plate; 202. Column; 203. Side block; 204. Vertical plate; 205. Lifting plate; 206. Movable plate; 207. Side frame; 208. Screw; 209. Reinforcing rod; 2010. Connecting plate; 2011. Turntable; 2012. Drive shaft; 2013. Guide column; 2014. Positioning groove; 2015. Positioning column; 2016. Limiting groove; 2017. Limiting block; 2018. Abutment frame; 3. Top cover; 4. O-ring; 5. Pump source. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Example 1, by Figure 1 The present invention relates to a vacuum test anti-deformation fixture for a sealing pump source, comprising a base plate 1, a pressing mechanism 2 on the base plate 1, a pump source 5 placed on the top of the base plate 1, an O-ring 4 on the top of the pump source 5, and a top cover 3 on the top of the O-ring 4.

[0026] Specifically, by Figures 2-4The compression mechanism 2 comprises two side plates 201 fixed symmetrically on the outer side of the upper cover 3, the bottom of each of the two side plates 201 is fixedly connected with a vertical plate 204, each of the two vertical plates 204 penetrates the bottom plate 1 and is movably connected with the bottom plate 1, two side blocks 203 are symmetrically fixedly connected on the two sides of the pump source 5, the top of the bottom plate 1 is fixedly connected with a plurality of vertical columns 202, each side block 203 is movably sleeved on the outer side of each vertical column 202, the side plate 201 is movably sleeved on the outer side of the corresponding two vertical columns 202, the bottom of the bottom plate 1 is symmetrically fixedly connected with two guide columns 2013, the two guide columns 2013 movably sleeve a lifting plate 205, the outer side of the lifting plate 205 is symmetrically fixedly connected with two side frames 207, the two side frames 207 are fixedly connected with a reinforcing rod 209, the inner side of each of the two side frames 207 movably sleeves an activity plate 206, the vertical plate 204 is provided with a positioning groove 2014, the inner bottom wall of the positioning groove 2014 is fixedly connected with a positioning column 2015, the activity plate 206 is slidably connected with the positioning groove 2014, the activity plate 206 is sleeved on the outer side of the positioning column 2015, the bottom of the bottom plate 1 is rotatably connected with a screw rod 208, the bottom end of the screw rod 208 is fixedly connected with a driving shaft 2012, the bottom end of the driving shaft 2012 is fixedly connected with a rotating disc 2011, the lifting plate 205 is threadedly sleeved on the outer side of the screw rod 208, the bottom end of the two guide columns 2013 is fixedly connected with a connecting plate 2010, the driving shaft 2012 penetrates the connecting plate 2010 and is rotatably connected with the connecting plate 2010;

[0027] In use, first, the pump source 5 is placed on the top of the bottom plate 1, so that each side block 203 is sleeved on the outer side of each vertical column 202, then the O-shaped ring 4 is placed on the top of the pump source 5, and then the upper cover 3 is placed on the top of the O-shaped ring 4, so that the two side plates 201 are sleeved on the outer sides of the corresponding vertical columns 202, and the two vertical plates 204 penetrate the bottom plate 1, then the two activity plates 206 are moved until they are inserted into the two positioning grooves 2014 respectively, then the rotating disc 2011 is rotated to drive the driving shaft 2012 and the screw rod 208 to rotate, and then the lifting plate 205 is driven to slide downward along the two guide columns 2013, and the two side frames 207 drive the two activity plates 206 to descend and be sleeved on the outer sides of the two positioning columns 2015 respectively, then the two activity plates 206 are further lowered, the upper cover 3 is moved downward through the two vertical plates 204, the O-shaped ring 4 is pressed against the pump source 5, the pump source 5 is compressed without being scratched, and the deformation of the pump source 5 caused by pressure difference is reduced.

[0028] Specifically, by Figure 5The outer side of the side frame 207 is provided with a limiting groove 2016, a limiting block 2017 is slidably connected in the limiting groove 2016, the limiting block 2017 is fixed to the outer side of the movable plate 206, the outer side of the side frame 207 is fixedly sleeved with an abutting frame 2018, and one side of the limiting block 2017 away from the lifting plate 205 abuts against the abutting frame 2018;

[0029] In the use state, first, the limiting block 2017 is slid along the limiting groove 2016, the movable plate 206 is driven to move along the side frame 207, when the limiting block 2017 abuts against the abutting frame 2018, at this time, the movable plate 206 is inserted into the positioning groove 2014, thereby limiting the movable plate 206, and facilitating the movable plate 206 to be sleeved outside the positioning column 2015.

Claims

1. A deformation-preventing tool for vacuum testing of a sealed pumping source, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a pressing mechanism (2), the top of the bottom plate (1) is provided with a pump source (5), the top of the pump source (5) is provided with an O-shaped ring (4), and the top of the O-shaped ring (4) is provided with an upper cover (3). The pressing mechanism (2) comprises two side plates (201) symmetrically fixed outside the upper cover (3), the bottom of each side plate (201) is fixedly connected with a vertical plate (204), the two vertical plates (204) penetrate through the bottom plate (1) and are movably connected with the bottom plate (1), the two sides of the pump source (5) are symmetrically fixedly connected with two side blocks (203), the top of the bottom plate (1) is fixedly connected with a plurality of vertical columns (202), each side block (203) is movably sleeved outside each vertical column (202), the side plate (201) is movably sleeved outside the corresponding two vertical columns (202), the bottom of the bottom plate (1) is symmetrically fixedly connected with two guide columns (2013), the two guide columns (2013) are movably sleeved with a lifting plate (205), the outer side of the lifting plate (205) is symmetrically fixedly connected with two side frames (207), the two side frames (207) and the lifting plate (205) are fixedly connected with a reinforcing rod (209), the inner side of each side frame (207) is movably sleeved with a movable plate (206), the vertical plate (204) is provided with a positioning groove (2014), the inner bottom wall of the positioning groove (2014) is fixedly connected with a positioning column (2015), the movable plate (206) is slidably connected with the positioning groove (2014), the movable plate (206) is sleeved outside the positioning column (2015), the bottom of the bottom plate (1) is rotatably connected with a screw rod (208), the bottom end of the screw rod (208) is fixedly connected with a driving shaft (2012), the bottom end of the driving shaft (2012) is fixedly connected with a rotating disc (2011), the lifting plate (205) is threadedly sleeved outside the screw rod (208), the bottom ends of the two guide columns (2013) are fixedly connected with a connecting plate (2010), the driving shaft (2012) penetrates through the connecting plate (2010) and is rotatably connected with the connecting plate (2010).

2. The anti-deformation tooling for testing a sealed pump source vacuum according to claim 1, wherein: The outer side of the side frame (207) is fixedly sleeved with an abutting frame (2018), and the side, away from the lifting plate (205), of the limiting block (2017) abuts against the abutting frame (2018).

3. The anti-deformation tooling for testing a sealed pump source vacuum according to claim 1, wherein: The outer side of the side frame (207) is fixedly sleeved with an abutting frame (2018), and the side, away from the lifting plate (205), of the limiting block (2017) abuts against the abutting frame (2018).