CN217618517U - Detection device and laser welding device - Google Patents

Abstract

The utility model discloses a detection device and laser welding device, detection device, include: mounting bracket, driving piece, sliding plate and sensor, mounting bracket include first mounting panel and the second mounting panel that mutually perpendicular set up, be provided with the first through-hole that link up the setting on the first mounting panel, the driving piece sets up on the mounting bracket, the sliding plate slidable mounting is in on the second mounting panel, the sliding plate is formed with the installation department, the installation department can be followed first through-hole stretches out, the driving piece can drive the sliding plate slides, and the sensor sets up week side of installation department stretches out from first through-hole through the slip of driving piece drive sliding plate for the sensor that lies in week side of the installation department of sliding plate can detect the welding seam orbit, and simple structure need not set up alone and detects the chronogenesis, can improve work efficiency, and need not dispose the light source.

Description

Detection device and laser welding device

Technical Field

The utility model relates to a laser welding technical field, in particular to detection device and laser welding device.

Background

At present, the detection of the welding track of the top cover of the lithium battery is generally divided into manual detection and CCD detection.

The following defects exist in the manual detection: the detection efficiency of manual detection is low, the labor intensity of workers is high during mass production, the labor cost is increased, and the condition that the detection cannot be carried out or the detection is missed easily occurs during detection.

CCD detection has the following defects: CCD detects and need dispose the light source, occupation space to the light source is burnt out by laser easily at the in-process of laser welding, detects and need set up the chronogenesis alone, has reduced the utilization rate, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a detection device and laser welding device.

According to the utility model discloses an embodiment of the first aspect provides a detection device, include: mounting bracket, driving piece, sliding plate and sensor, mounting bracket include first mounting panel and the second mounting panel that mutually perpendicular set up, be provided with the first through-hole that link up the setting on the first mounting panel, the driving piece sets up on the mounting bracket, the sliding plate slidable mounting is in on the second mounting panel, the sliding plate is formed with the installation department, the installation department can be followed first through-hole stretches out, the driving piece can drive the sliding plate slides, and the sensor setting is in week side of installation department.

Has the advantages that: this detection device, through driving piece drive sliding plate slip from first through-hole stretch out for the sensor that is located the installation department week side of sliding plate can detect the welding seam orbit, and simple structure need not set up alone and detects the chronogenesis, can improve work efficiency, and need not dispose the light source.

According to the utility model discloses detection device in the embodiment of the first aspect, be provided with the first through-hole that two intervals set up on the first mounting panel, the one end of sliding plate is provided with two installation departments, the installation department can be followed first through-hole stretches out, and the relative inboard of two installation departments is provided with the sensor, the relative medial surface of two installation departments forms the installation department, and the installation department can directly lead through first through-hole and stretch out to the installation department can make things convenient for the installation of sensor.

According to the utility model discloses detection device, the terminal surface of installation department is provided with the locating piece, the locating piece is installed with the detachably mode the terminal surface of installation department, the locating piece is flexible material, and the locating piece can be installed fast to the locating piece adopts flexible material can play the guard action to the top cap when the location.

According to the utility model discloses detection device, the relative inboard of installation department is provided with the concave groove, the sensor is located the concave groove is interior, the sensor passes through the fastener installation, through setting up concave groove installation sensor at the installation department, has improved space utilization.

According to the utility model discloses detection device, be provided with the first through-hole of a rectangular shape on the first mounting panel, first through-hole is followed first mounting panel width direction extends the setting, the one end of sliding plate is provided with first opening, and can follow first through-hole stretches out, first open-ended week side forms the installation department, through setting up the first through-hole of rectangular shape, can realize that the sliding plate of multiple different shapes can slide and stretch out.

According to the utility model discloses detection device of first aspect embodiment, the second mounting panel with through slide rail sliding connection between the sliding plate, the driving piece is installed on the second mounting panel, the sliding plate is provided with the connector, the execution end and the connector of driving piece, slide through setting up the slide rail between second mounting panel and sliding plate and lead, can make the sliding plate can be along linear motion, avoid controlling the skew to can guarantee the gliding stationarity of sliding plate.

According to the utility model discloses detection device, detection device still including setting up the protection casing of sensor top, the protection casing is used for the protection the sensor, the protection casing is fixed on the mounting bracket, through set up the protection casing on the sensor, can avoid the dust to pile up, improve the reliability and the life cycle of sensor.

According to the utility model discloses detection device, detection device still include the bolster, the bolster sets up on the sliding plate, just the bolster can with first mounting panel butt, through the bolster that sets up on the sliding plate, when the sliding plate passes through the driving piece drive and slides on the second mounting panel, the bolster can cushion the slip speed of adjusting the sliding plate, avoids excessive pressure.

According to the utility model discloses detection device, detection device still include sensor amplifier, sensor amplifier with the sensor corresponds the setting, sensor amplifier sets up on the mounting bracket, through setting up sensor amplifier, can cooperate sensor and control measurement return circuit increase signal amplitude or power, can enlarge the analog signal of sensor to can satisfy required granularity.

According to the utility model discloses a second aspect embodiment provides a laser welding device, include: the detection device of the embodiment of the first aspect.

Has the advantages that: according to the laser welding device, the detection device detects the welding seam track, and feeds information back to the controller to control the welding track of laser, so that high-quality welding is realized.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of a first exemplary embodiment of a detection device;

FIG. 2 is a schematic view of a second exemplary embodiment of the detecting device of the present invention;

FIG. 3 is a third schematic view of a detecting device according to an embodiment of the present invention;

fig. 4 is a schematic view of a fourth exemplary embodiment of the detecting device of the present invention;

fig. 5 is a schematic view of a fifth exemplary embodiment of the detection device of the present invention;

fig. 6 is a schematic view of a driving member, a sliding plate and a sensor according to an embodiment of the present invention.

A detection device 10;

the mounting frame 100, the first mounting plate 110, the second mounting plate 120 and the first through hole 130;

a driver 200;

a sliding plate 300, a mounting portion 310, a concave groove 320, a fastener 330, and a positioning block 340;

sensor 400, shield 410;

a buffer member 500;

the sensor amplifier 600.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The lithium ion battery is a secondary battery, and has the advantages of light weight, high capacity, high working voltage, long charging and discharging life, environmental protection, cyclic utilization, low self-discharging efficiency and the like. In recent years, with the rapid development of electric vehicles, electric tools and model airplanes, higher requirements are put forward on lithium ion batteries, and the batteries are required to have stable structures, good consistency, safety and reliability, so that the continuous improvement of materials, processes and equipment of the lithium ion batteries is urgent. The equipment for detecting the welding track of the top cover of the lithium ion battery also needs to be improved to meet the actual production requirement.

Referring to fig. 1 to 5, a detection apparatus 10 includes: mounting bracket 100, driving member 200, sliding plate 300, and sensor 400. The mounting frame 100 includes a first mounting plate 110 and a second mounting plate 120 that are perpendicular to each other, and a first through hole 130 that is disposed through the first mounting plate 110 is provided. The driving member 200 is disposed on the mounting frame 100, the sliding plate 300 is slidably mounted on the second mounting plate 120, the sliding plate 300 is formed with a mounting portion which can protrude from the first through hole 130, the driving member 200 can drive the sliding plate 300 to slide on the second mounting plate 120, and the sensor 400 is disposed on the peripheral side of the mounting portion. This detection device 10, after the battery targets in place, at first slides through driving piece 200 drive sliding plate 300 for the installation department removes, drives sensor 400 and removes and detect with the top cap contact, need not set up the light source, and need not set up man-hour alone, can improve the utilization rate of production line, improves machining efficiency.

In some embodiments, referring to fig. 1 and 2, the first mounting plate 110 is vertically disposed, the second mounting plate 120 is horizontally disposed, two vertical surfaces of the first mounting plate 110 are a first side surface and a second side surface, respectively, the second mounting plate 120 is located on one side of the second side surface, a width of the second mounting plate 120 is substantially equal to a width of the first mounting plate 110, one end of the second mounting plate 120 abuts against the second side surface to divide the second side surface into an upper end surface and a lower end surface, a supporting plate is disposed between the lower end surface and a bottom surface of the second mounting plate 120, one side of the supporting plate is connected with the first mounting plate 110, a top end of the supporting plate is connected with a bottom of the second mounting plate 120, the supporting plate can support the second mounting plate 120, and the detection device 10 can be fixedly installed.

Referring to fig. 1 and 6, the driving member 200 serves as a power mechanism for driving the sliding plate 300 to slide, and the driving member 200 may be an air cylinder or a linear motor. In the present embodiment, the driving member 200 is, for example, a cylinder which converts the energy of the compressed air into a linear motion. The cylinder mainly comprises cylinder, end cover, piston rod and sealing member etc. the internal diameter size of cylinder has represented the size of cylinder output power, and the piston is reciprocating sliding in the cylinder, is provided with the air inlet and exhaust opening on the end cover, and the piston rod can adopt high carbon steel or stainless steel, can also be provided with speed control valve control cylinder output on the cylinder. Of course, the traditional rod-containing cylinder can be replaced by the rodless cylinder, and the early stage and maintenance cost of the rodless cylinder is far lower than that of a linear motor.

As shown in fig. 1, the cylinder is mounted on a bracket 100. Specifically, the cylinder may be mounted on the lower end surface of the first mounting plate 110 or on the second mounting plate 120. The cylinder may be installed on the top surface or the bottom surface of the second mounting plate 120, and when the cylinder is installed on the bottom surface of the second mounting plate 120, the cylinder may be connected to the sliding plate 300 through an intermediate member, so that the cylinder drives the sliding plate 300 to slide. Illustratively, the cylinder is installed on the top surface of the second mounting plate 120, the sliding plate 300 is disposed close to the second mounting plate 120, and the sliding plate 300 is smaller than the area of the second mounting plate 120, that is, a mounting area is formed between one end of the sliding plate 300, which is far away from the first mounting plate 110, and the second mounting plate 120, the sliding plate cylinder is fixedly disposed on the mounting area of the second mounting plate 120 through a cylinder fixing seat, the cylinder fixing seat is a convex seat, the convex seat extends along the width direction of the second mounting plate 120, two ends of the convex seat are fixed on the second mounting plate 120 through screws or bolts, a hole is formed on the main plate of the convex seat, the cylinder is installed on the main plate of the convex seat, and a piston rod of the cylinder extends out of the hole to be connected with the sliding plate 300.

The end of the piston rod of the cylinder is provided with a fixture block, the sliding plate 300 is provided with a connecting port, the connecting port penetrates through one end of the sliding plate 300 far away from the first mounting plate 110, the connecting port comprises a horizontal part and a vertical part, the horizontal part is clamped with the fixture block, the vertical part penetrates through one end of the sliding plate 300, and the piston rod partially penetrates through the vertical part. Specifically, the connection port is integrally T-shaped, and the piston rod and the fixture block are arranged in a T shape. The length of horizontal part is greater than the brain transition of wiping of vertical portion, the fixture block is the circular block, and the diameter of fixture block is greater than the diameter of piston rod, make form step portion between fixture block and the piston rod, the horizontal part is waist type structure, the width of horizontal part is roughly equal with the width of fixture block, make the fixture block can block in the horizontal part, and through the spacing card of step portion solid, make the cylinder can drive sliding plate 300 and slide, and the cylinder makes dismantlement and installation very convenient with being connected of sliding plate 300, of course, the connected mode between cylinder and the sliding plate 300 can have multiple setting, as long as can satisfy drive sliding plate 300 and carry out linear motion.

Referring to fig. 2, it is easily understood that the second mounting plate 120 and the sliding plate 300 are slidably coupled by a slide rail. Specifically, the top surface of the second mounting plate 120 is provided with a slide rail protruding from the top surface, the slide rail is arranged along the width direction of the second mounting plate 120, the slide rail is in a strip shape, concave curved surfaces are arranged on two sides of the slide rail, a slide groove matched with the slide rail is arranged at the bottom of the sliding plate 300, and the shape of the slide groove is matched with the shape of the slide rail. Of course, the sliding grooves may be formed in the sliding rails, the bottom of the sliding plate 300 is provided with protruding strips matched with the sliding grooves, or the sliding grooves are directly machined on the top surface of the second mounting plate 120, and the bottom of the sliding plate 300 is provided with the protruding strips corresponding to the bottom in advance, so long as the requirement of linear guiding can be met.

In some embodiments, referring to fig. 2, the first mounting plate 110 is provided with two first through holes 130 spaced apart from each other, one end of the sliding plate 300 is provided with two mounting portions 310, the mounting portions 310 can protrude from the first through holes 130, and opposite inner sides of the two mounting portions 310 are provided with sensors 400. Specifically, two first through holes 130 are arranged at intervals in the width direction on the upper end surface of the first mounting plate 110, the size of the first through hole 130 is matched with the mounting portion 310, and the shape of the first through hole 130 can be set according to actual use requirements.

Of course, it is easily understood that the first through hole 130 may be extended along the height direction of the first mounting plate 110, the second mounting plate 120 may be detachably mounted on one side of the first mounting plate 110, such that the height of the second mounting plate 120 may be adjusted according to the actual use requirement, and the first through hole 130 is an elongated hole disposed along the length direction, such that the mounting portion 310 may also be adjusted along the first through hole 130, thereby implementing the adjustment of the sliding plate 300 of the detecting device 10 in the height direction, and expanding the application range of the detecting device 10.

The sliding plate 300 includes a main plate and a mounting portion 310 disposed at one end of the main plate, the mounting portion 310 may be two mounting plates having a width smaller than the size of the first through hole 130, the mounting plates are symmetrically disposed with respect to the center line of the main plate, a concave plate structure is integrally formed between the main plate and the mounting plates, the sensor 400 is mounted on two inner sides of the mounting plates disposed opposite to each other, the main plate is detachably connected to the actuating end of the cylinder, and an opening area formed by the two mounting plates and the main plate may be used for accommodating the battery. Of course, the opposite inner sides formed by the two mounting plates can be plane or curved.

The sensors 400 are respectively arranged on the opposite inner side surfaces of the mounting plates, the mounting plates are symmetrically arranged, the sensors are also symmetrically arranged on the mounting plates, and the two mounting plates are driven by the air cylinder to move, so that the flatness of the battery top cover can be detected, and the track of a welding seam can be further estimated. The sensor 400 may be a contact displacement sensor, such as a pressure sensor or a gauge grating.

Referring to fig. 3 and 6, when the sensor 400 is mounted on the opposite inner side surfaces of the mounting parts 310, if the mounting parts 310 are planar, the sensor 400 may protrude in the space between the mounting parts 310, so that the space utilization is not high. Therefore, in order to solve this problem, concave grooves 320 may be provided on opposite inner sides of the mounting parts 310, and the concave grooves 320 may substantially accommodate the sensor 400, so that the accommodation space between the mounting parts 310 can be maintained within a wide range after the sensor 400 is mounted, thereby improving space utilization.

Referring to fig. 3 and 4, after the mounting portion 310 is provided with the concave groove 320, the sensor 400 is fixed in the concave groove 320 by the fastener 330. The side of the groove 320 located at the outermost end of the mounting portion 310 is provided with a mounting hole penetrating the end portion, and the side is further provided with an opening penetrating one end of the mounting portion. Fastener 330 is the bolt, and the bolt passes through the mounting hole installation to be provided with stop nut on the bolt, stop nut is located the opening, and two one ends of bolt are connected with the sensor, and the bolt other end stretches out to the terminal surface from installation department 310.

Referring to fig. 5, a positioning block 340 is disposed on an end surface of the mounting portion 310, the positioning block 340 is detachably mounted on the end surface of the mounting portion 310, and the positioning block 340 is made of a flexible material. The positioning block 340 is made of flexible material, so that the top cover can be protected when in place. Initially, the positioning surface of the positioning block 340 is higher than the contact surface of the contact displacement sensor and the top cover, after the battery is in place, the cylinder drives the sliding plate 300 to move to drive the contact displacement sensor and the positioning block 340 to move, the positioning surface of the positioning block 340 contacts the top cover first to position, the cylinder continues to push, and the contact displacement sensor contacts the top cover to detect.

The positioning block 340 is connected with the end surface of the mounting part 310 in a mortise and tenon manner. Further, be provided with the constant head tank at the terminal surface of installation department 310, the constant head tank is the setting of T shape, and the both sides of constant head tank have formed spacing portion, and locating piece 340 includes flat board portion and fixed part, and the fixed part is the T-shaped piece to fix at installation department 310 tip with the spacing cooperation of constant head tank, the flat board portion is provided with and dodges the mouth, and sensor 400's installation fastener 330 one end stretches out to installation department 310 terminal surface, consequently sets up and dodges the mouth and can dodge fastener 330.

In some embodiments, the first mounting plate 110 is provided with an elongated first through hole 130, the first through hole 130 extends along the width direction of the first mounting plate 110, one end of the sliding plate 300 is provided with a first opening, and the sliding plate 300 can extend out of the first through hole 130. In this embodiment, the first through hole 130 is a continuous elongated hole, and the sliding plate 300 may entirely pass through the first through hole 130. The first opening of the sliding plate 300 may penetrate through one end of the sliding plate 300 or a through hole formed in the sliding plate 300, so as to detect the weld, and the installation manner of the sensor 400 may refer to the foregoing embodiments, which are not described in detail herein.

Referring to fig. 1 and 2, in some embodiments thereof, the test device 10 further includes a protective cover 410 disposed over the sensor 400, the protective cover 410 for protecting the sensor 400. The shield 410 includes a cover body and a first fixing portion, the cover body is in a concave shape, the top and both sides of the cover body are respectively disposed at both sides and the top surface of the mounting portion 310, and the sensor 400 is shielded, the first fixing portion is perpendicular to the top of the cover body, and the first fixing portion is connected to the first mounting plate 110 by screws or bolts. The protective cover 410 may protect the sensor 400 from dust accumulation.

Referring to fig. 2 and 6, in some embodiments, the detection device 10 further includes a buffer member 500, the buffer member 500 is disposed on the sliding plate 300, and the buffer member 500 can abut against the first mounting plate 110. The number of the buffering members 500 may be one or more, and the contact position of the buffering member 500 and the first mounting plate 110 may be buffered by rubber or an elastic material.

Exemplarily, two buffering members 500 are provided in the present embodiment, each buffering member 500 includes a fixing base and a supporting column, the fixing base is disposed in an L shape, a horizontal portion of the fixing base is fixed on the sliding plate 300 by a bolt, a vertical portion of the fixing base is disposed opposite to the first mounting plate 110, the supporting column passes through the vertical portion and has one end abutted to the first mounting plate 110, and an elastic layer may be disposed at a position where the supporting column abuts to the first mounting plate 110.

Referring to fig. 1 to 5, the detecting device 10 further includes a sensor amplifier 600, the sensor amplifier 600 is disposed corresponding to the sensor 400, and the sensor amplifier 600 is disposed on the mounting block 100. Specifically, the sensor amplifier 600 is mounted on the second mounting plate 120, the sensor amplifier 600 can increase the signal amplitude or power in cooperation with the sensor and the control measurement loop, and can amplify the analog signal of the sensor 400 to meet the required granularity. The sensor amplifier 600 is mounted on the second mounting plate 120 through a fixing plate, one end of the fixing plate 120 is fixed to the second mounting plate 120, the sensor amplifier 600 is disposed on the fixing plate, and the sensor amplifier 600 is rotatably disposed on the fixing plate.

Referring to fig. 1 and 2, a detection apparatus 10 includes: mounting block 100, air cylinder, sliding plate 300, and sensor 400. Wherein, the mounting bracket 100 includes a first mounting plate 110 vertically disposed and a second mounting plate 120 horizontally disposed, the upper end of the first mounting plate 110 is provided with two first through holes 130 spaced along the width direction, the second mounting plate 120 is provided with two slide rails, a slide plate 300 is slidably mounted on the slide rails, the actuating end of the cylinder is connected with the slide plate 300, the slide plate 300 is integrally disposed in a symmetrical structure, two mounting portions 310 of the slide plate 300 extend out from the first through holes 130, two opposite inner sides of the mounting portions 310 are provided with concave grooves, the sensor 400 is located in the concave grooves, and the end of the mounting portions 310 is provided with a positioning block 340, a protective cover mounted on the first mounting plate 110 is arranged above the sensor 400, the sensor amplifier 600 is mounted on the second mounting plate 120 and connected with the sensor 400, and the top surface of the slide plate 400 is provided with two buffer members 500.

In some of these embodiments, a laser welding apparatus comprises: like the detection device 10 of the first embodiment, the detection device 10 detects the welding seam track and feeds information back to the controller to control the welding track of the laser, so as to realize high-quality welding.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A detection device, comprising:

the mounting frame comprises a first mounting plate and a second mounting plate which are perpendicular to each other, and a first through hole which is arranged in a penetrating manner is formed in the first mounting plate;

the driving piece is arranged on the mounting frame;

the sliding plate is slidably mounted on the second mounting plate, a mounting part is formed on the sliding plate and can extend out of the first through hole, and the driving piece can drive the sliding plate to slide; and

and a sensor disposed on a peripheral side of the mounting portion.

2. The detection device according to claim 1, wherein: the sensor is characterized in that two first through holes arranged at intervals are formed in the first mounting plate, two mounting portions are arranged at one end of the sliding plate and can extend out of the first through holes, and the sensors are arranged on the inner sides of the two mounting portions.

3. The detection device according to claim 2, wherein: the terminal surface of installation department is provided with the locating piece, the locating piece is installed with detachably the terminal surface of installation department, the locating piece is flexible material.

4. The detection device according to claim 2, wherein: the relative inboard of installation department is provided with the concave groove, the sensor is located the concave groove is internal, the sensor passes through the fastener installation.

5. The detection device according to claim 1, wherein: the mounting structure is characterized in that a first elongated through hole is formed in the first mounting plate, the first through hole extends in the width direction of the first mounting plate, a first opening is formed in one end of the sliding plate and can extend out of the first through hole, and the mounting portion is formed on the periphery of the first opening.

6. The detection device according to claim 1, wherein: the second mounting plate is connected with the sliding plate in a sliding mode through a sliding rail, the driving piece is mounted on the second mounting plate, the sliding plate is provided with a connecting port, and an execution end of the driving piece is connected with the connecting port.

7. The detection device according to claim 1, wherein: the detection device is characterized by further comprising a protective cover arranged above the sensor, the protective cover is used for protecting the sensor, and the protective cover is fixed on the mounting frame.

8. The detection device according to claim 1, wherein: the detection device further comprises a buffer piece, the buffer piece is arranged on the sliding plate, and the buffer piece can be abutted to the first mounting plate.

9. The detection device according to claim 1, wherein: the detection device further comprises a sensor amplifier, the sensor amplifier is arranged corresponding to the sensor, and the sensor amplifier is arranged on the mounting frame.

10. A laser welding apparatus, comprising: the test device of any one of claims 1 to 9.

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