阅读说明：本技术 一种定位装置 (kinds of positioning device ) 是由 夏明凯 于 2019-09-30 设计创作，主要内容包括：本发明提供一种定位装置,包括升降机构和控制机构。其中,升降机构包括升降平台和第一驱动机构,所述升降平台受所述第一驱动机构的驱动做升高或下降运动；控制机构与所述第一驱动机构电连接,用于朝向所述第一驱动机构发送控制信号。此定位装置根据下夹具需要的统一高度,可通过控制机构控制第一驱动器带动升降平台上升至下夹具需要的统一高度,下夹具固定在滑杆的底部,当需要调节下夹具的高度时,松开滑杆,下夹具随滑杆一起向下运动,下夹具下降到接触升降平台的上表面即停止运动,可以自动实现下夹具高度的统一调节,操作简单、方便、工作效率高。(The invention provides positioning devices, which comprise a lifting mechanism and a control mechanism, wherein the lifting mechanism comprises a lifting platform and a driving mechanism, the lifting platform is driven by the driving mechanism to do lifting or descending motion, the control mechanism is electrically connected with the driving mechanism and is used for sending a control signal to the driving mechanism, the positioning device can control a driver to drive the lifting platform to ascend to the height required by a lower clamp according to the height of a system required by the lower clamp through the control mechanism, the lower clamp is fixed at the bottom of a sliding rod, when the height of the lower clamp needs to be adjusted, the sliding rod is loosened, the lower clamp moves downwards along with the sliding rod , the lower clamp descends to contact with the upper surface of the lifting platform to stop moving, the system adjustment of the height of the lower clamp can be automatically realized, the operation is simple and convenient, and the working efficiency is high.)

An positioning device, comprising:

the lifting mechanism (1) comprises a lifting platform (11) and an th driving mechanism, wherein the lifting platform (11) is driven by the th driving mechanism to move up or down;

a control mechanism electrically connected to the th drive mechanism for sending control signals to the th drive mechanism.

2. The positioning device according to claim 1, wherein the lifting platform (11) is provided with a position sensor for detecting whether the lifting platform (11) is in contact with the member to be positioned, and the position sensor is electrically connected with the control mechanism.

3. The positioning device according to claim 1 or 2, characterized in that the lifting mechanism (1) comprises:

a plurality of riding wheels (14) are arranged on the upper surface of the lifting platform (11) through rotating shafts (15).

4. A positioning device according to claim 3, characterized in that the outer side wall of the idler (14) is provided with a recess adapted to receive the member to be positioned.

5. The positioning device according to of any one of claims 1-4, wherein the th driving mechanism is a th cylinder (12), and a driving end of the th cylinder (12) is connected with the lifting platform (11).

6. The positioning device of any of claims 1-5, further comprising:

the pull-down mechanism (2) comprises a second driving mechanism, a third driving mechanism and a grabbing and pulling part (23), wherein the grabbing and pulling part (23) is connected with the driving end of the third driving mechanism and is driven by the third driving mechanism to do linear motion close to or far away from an object to be grabbed and pulled along a th path;

the second driving mechanism is connected to the grabbing and pulling frame (24), the driving end of the second driving mechanism is connected with a third driving mechanism, and the third driving mechanism is driven by the second driving mechanism to do lifting or descending motion.

7. The positioning device of claim 6, wherein the second drive mechanism comprises:

a second stepping motor (211);

the end part of the second lead screw (212) is connected with an output shaft of the second stepping motor (211), and the second lead screw is driven by the second stepping motor (211) to rotate around a central shaft;

the second sliding block (213) is sleeved on the second lead screw (212) and is suitable for linear motion under the rotating force of the second lead screw (212);

and a second fixing plate (214) is arranged on the second sliding block (213), and the third driving mechanism is fixed on the second fixing plate (214).

8. A positioning device according to claim 6 or 7, characterized in that the central part of the end of the gripping member (23) remote from the third drive means is recessed to form a receiving area for receiving the member (23) to be gripped.

9. The positioning device of any one of claims 6-8, further comprising:

and the driving end of the fourth driving mechanism is connected with the grabbing and pulling frame (24) and is used for driving the grabbing and pulling frame (24) to do translational motion along the direction vertical to the th driving mechanism, the second driving mechanism and the third driving mechanism.

10. The positioning device of claim 9, wherein the fourth drive mechanism comprises:

a fourth stepping motor (251);

the fourth lead screw (252) is connected with the output end of the fourth stepping motor (251) and is suitable for axial rotation movement under the driving of the fourth stepping motor (251);

and the fourth sliding block (253) is in threaded connection with the fourth lead screw (252) and is suitable for performing translational motion according to the rotation of the fourth lead screw (252), and the fourth sliding block (253) is fixedly connected with the grabbing and pulling frame (24).

Technical Field

The invention relates to the technical field of electroplating equipment of printed circuit boards, in particular to positioning devices.

Background

In the vertical electroplating production process of the printed circuit board, the circuit board is usually clamped on a steel belt of a conveying mechanism through an electroplating clamp, and the circuit board is driven by the steel belt to run in an electroplating bath to complete the electroplating process of the circuit board. In the prior art, the electroplating clamp is adopted to only clamp the upper end of the circuit board, and the circuit board is inevitably shaken in the process of moving along with the steel strip, so that the electroplating effect of the circuit board is influenced.

If the scheme that the circuit board is clamped by the upper clamp and the lower clamp which are connected by the sliding rod is adopted, the upper clamp and the sliding rod are connected in an adjustable mode when the lower clamp and the sliding rod are fixedly connected.

The vertical electroplating process is characterized in that an upper clamp and a lower clamp are required to clamp a circuit board to be electroplated to realize feeding before electroplating, the lower clamp is fixed at the lower end of the sliding rod, and the lower clamp is required to be lowered to the height of a system before feeding.

In actual production, because there are many lower clamps for fixing the circuit board, if the debugging is carried out manually, the lower clamps are too cumbersome.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the manual height adjustment is complicated when the lower clamp for fixing the circuit board in the prior art is used for feeding, so that positioning devices capable of automatically adjusting the height of the lower clamp are provided.

The invention provides kinds of positioning devices, including:

the lifting mechanism comprises a lifting platform and an th driving mechanism, and the lifting platform is driven by the th driving mechanism to move up or down;

a control mechanism electrically connected to the th drive mechanism for sending control signals to the th drive mechanism.

Optionally, in the positioning device, a position sensor for detecting whether the lifting platform contacts with the member to be positioned is arranged on the lifting platform, and the position sensor is electrically connected with the control mechanism.

Optionally, in the above positioning device, the lifting mechanism includes:

the supporting wheels are provided with a plurality of supporting wheels and arranged on the upper surface of the lifting platform through rotating shafts.

Optionally, in the positioning device, a groove adapted to accommodate a to-be-positioned member is formed on an outer side wall of the riding wheel.

Optionally, in the positioning device, the th driving mechanism is a th cylinder, and a driving end of the th cylinder is connected to the lifting platform.

Optionally, the above positioning device further includes:

the gripping and pulling part is connected with the driving end of the third driving mechanism and is driven by the third driving mechanism to do linear motion close to or far away from the object to be gripped and pulled along a th path;

the second driving mechanism is connected to the grabbing and pulling frame, the driving end of the second driving mechanism is connected with a third driving mechanism, and the third driving mechanism is driven by the second driving mechanism to move up or down.

Optionally, in the above positioning device, the second driving mechanism includes:

a second stepping motor;

the end part of the second lead screw is connected with an output shaft of the second stepping motor and is driven by the second stepping motor to rotate around a central shaft;

the second sliding block is sleeved on the second lead screw and is suitable for linear motion under the rotating force of the second lead screw;

and a second fixing plate is arranged on the second sliding block, and the third driving mechanism is fixed on the second fixing plate.

Optionally, in the positioning device, the middle part of the end of the gripping and pulling part far away from the third driving mechanism is recessed to form a containing area for containing the part to be gripped and pulled.

Optionally, the above positioning device further includes:

and the driving end of the fourth driving mechanism is connected with the grabbing and pulling frame and is used for driving the grabbing and pulling frame to do translational motion along the direction vertical to the th driving mechanism, the second driving mechanism and the third driving mechanism.

Optionally, in the above positioning device, the fourth driving mechanism includes:

a fourth stepping motor;

the fourth screw rod is connected with the output end of the fourth stepping motor and is suitable for axial rotation movement under the driving of the fourth stepping motor;

and the fourth sliding block is in threaded connection with the fourth lead screw and is suitable for performing translational motion according to the rotation of the fourth lead screw, and the fourth sliding block is fixedly connected with the grabbing and pulling frame.

The technical scheme of the invention has the following advantages:

1. according to the positioning device provided by the invention, the control mechanism can control the driver to drive the lifting platform to ascend to the height of the system required by the lower clamp according to the height of the system required by the lower clamp, the lower clamp is fixed at the bottom of the sliding rod, when the height of the lower clamp needs to be adjusted, the sliding rod is loosened, the lower clamp moves downwards along with the sliding rod , the lower clamp descends to contact with the upper surface of the lifting platform, namely, the lower clamp stops moving, the height of the lower clamp can be automatically adjusted by the system , and the positioning device is simple and convenient to operate and high in working efficiency.

2. According to the positioning device provided by the invention, the plurality of riding wheels are arranged on the lifting platform, the outer wall surface of each riding wheel is provided with a groove, the bottom of the lower clamp is embedded into the groove of the riding wheel to realize accurate positioning of the lower clamp, the lower clamp is prevented from shaking or deviating, meanwhile, the riding wheels are rotatably connected to the rotating shaft, the lower clamp is in contact with the riding wheels, compared with the case that the lower clamp is directly in contact with the lifting platform, the friction force can be reduced, the lower clamp is prevented from being abraded, and meanwhile, the riding wheels can guide and drive the forward movement of the lower clamp to .

3. The invention provides a positioning device, wherein a pull-down mechanism comprises a second driving mechanism, a third driving mechanism, a grabbing and pulling part and a fourth driving mechanism, the grabbing and pulling part is arranged at a driving end of the third driving mechanism and can horizontally move towards or away from the direction of the part to be grabbed and pulled under the driving of the third driving mechanism, the third driving mechanism is connected with the driving end of the second driving mechanism, the second driving mechanism drives the third driving mechanism to move upwards or downwards so as to drive the grabbing and pulling part to move upwards or downwards, the second driving mechanism is connected to a grabbing and pulling frame, the driving end of the fourth driving mechanism is connected with the grabbing and pulling frame, the fourth driving mechanism drives the grabbing and pulling frame to horizontally move in the direction perpendicular to the directions of the th driving mechanism, the second driving mechanism and the third driving mechanism so as to drive the grabbing and pulling part to correspondingly horizontally move, the grabbing and pulling part can move along the X, Y, Z directions through the driving of the second driving mechanism, the third driving mechanism and the fourth driving mechanism, the grabbing and pulling part can move flexibly and accurately grab according to the specific position of the part to be grabbed and pulled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a top view of a lift mechanism of the positioning device;

FIG. 2 is a front view of the lift mechanism of the positioning device;

FIG. 3 is a right side view of the lift mechanism of the positioning device;

FIG. 4 is a top view of the pull-down mechanism of the positioning device;

FIG. 5 is a front view of the pull-down mechanism of the positioning device;

FIG. 6 is a right side view of the pull-down mechanism of the positioning device;

fig. 7 is a right side view of the positioning device with the elevator mechanism engaged with the pull-down mechanism.

Description of reference numerals:

1-lifting mechanism, 11-lifting platform, 12- th cylinder, 13-fixing seat, 14-riding wheel and 15-rotating shaft;

2-a pull-down mechanism; 211-a second stepper motor; 212-a second lead screw; 213-a second slider; 214-a second fixation plate;

22-a second cylinder; 23-a gripping member; 24-a grab-pull frame; 241-upper plate; 242 — a lower plate; 243-side plate;

251-a fourth stepper motor; 252-a fourth lead screw; 253-a fourth slide;

261-a guide rod; 262-a third slider; 263-fixed support; 264-seated bearing; 265-fifth slider; 266-a slide rail; 267-a fixed plate;

3-a slide bar; 4-lower clamp.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are partial embodiments, but not all embodiments .

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are used to mean, for example, either fixedly or removably connected or physically connected, mechanically or electrically connected, directly or indirectly connected through an intermediary, or communicating between two elements.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The present embodiment provides positioning devices, as shown in fig. 7, which include a lifting mechanism 1, a pulling-down mechanism 2, and a control mechanism.

As shown in fig. 1 to 3, the lifting mechanism 1 includes an th driving mechanism and a lifting platform 11, the th driving mechanism is a th cylinder 12, the control mechanism is PLC controlled, the PLC controlled is electrically connected with the th cylinder 12, the lifting platform 11 is fixed on the driving end of the th cylinder 12, the lifting mechanism 1 further includes two fixing bases 13 and a plurality of riding wheels 14, wherein, the two fixing bases 13 are symmetrically fixed on the lifting platform 11, a rotating shaft 15 is arranged between the two fixing bases 13, the number of the rotating shafts 15 corresponds to the riding wheels 14, the riding wheels 14 are rotatably sleeved on the rotating shaft 15, a groove is arranged in the middle of the circumferential outer wall surface of each riding wheel 14, the bottom of the to-be-positioned piece is embedded in the groove of the riding wheel 14 to realize accurate positioning, and the to-be-positioned piece is prevented from shaking.

The positioner of this structure, can be according to the system height that lower anchor clamps needed, drive lift platform through PLC control driver and rise to the system height that lower anchor clamps needed, lower anchor clamps are fixed in the bottom of slide bar, when the height of anchor clamps is down adjusted to needs, loosen the slide bar, lower anchor clamps play downstream along with slide bar , lower anchor clamps descend the upper surface that contacts lift platform and stop motion promptly, can realize down that the system of anchor clamps height adjusts automatically, and the operation is simple, and convenient, high working efficiency.

When the to-be-positioned piece is the lower clamp 4, the bottom of the lower clamp 4 is placed in the groove, the lower clamp 4 is fixed on the sliding rod 3, the sliding rod 3 drives the lower clamp 4 to move forwards along with the forward transmission of the steel strip, the friction of the lower clamp 4 directly contacting with the lifting platform 11 can be reduced by the arrangement of the supporting wheels 14, the lower clamp 4 is prevented from being abraded, meanwhile, the supporting wheels 14 can rotate to play a role in guiding and driving for the forward movement of the lower clamp 4, the number of the supporting wheels 14 is not limited, the number of the supporting wheels can be , two, three, four and the like, as long as the supporting wheels can bear the to-be-positioned piece, and the friction of the to-be.

As shown in fig. 4 to 6, the pull-down mechanism 2 includes a second drive mechanism, a third drive mechanism, and a gripping member 23.

Specifically, the second driving mechanism includes a second stepping motor 211, a second lead screw 212, a second slider 213, and a second fixing plate 214. The second lead screw 212 is vertically arranged, and the end of the second lead screw 212 is connected with the output shaft of the second stepping motor 211 and is driven by the second stepping motor 211 to rotate around the central shaft thereof. The second sliding block 213 is sleeved on the second lead screw 212 and is adapted to perform ascending or descending linear motion by the rotating force of the second lead screw 212; the second fixing plate 214 is disposed on the second slider 213.

The third driving mechanism is a second cylinder 22, the second cylinder 22 is fixed on the second fixing plate 214, and the grasping and pulling member 23 is fixed on the driving end of the second cylinder 22. as shown in fig. 4, the middle of the end of the grasping and pulling member 23 away from the second cylinder 22 is recessed to form an accommodating area for accommodating the member 23 to be grasped and pulled, for example, the member 23 to be grasped and pulled is a sliding rod 3, the grasping and pulling member 23 moves towards the sliding rod 3 under the driving of the second cylinder 22 and enables the sliding rod 3 to be embedded into the accommodating area, the second stepping motor 211 drives the second fixing plate 214 to move downwards, so as to drive the second cylinder 22 and the grasping and pulling member 23 to move downwards, and when the grasping and pulling member 23 moves to contact with the lower clamp 4, the lower end surface of the grasping and pulling member 23 is clamped on the lower clamp 4 to drive the lower clamp 4 to move downwards to a required height.

As shown in fig. 5, the pull-down mechanism 2 further includes two guide rods 261, the two guide rods 261 are respectively disposed on two sides of the second lead screw 212 and are parallel to and coplanar with the second lead screw 212, each guide rod 261 is provided with third sliders 262, for example, the third sliders 262 are linear bearings, two ends of the second fixing plate 214 are extended above the two guide rods 261 and are respectively disposed on the third sliders 262, during the process that the second fixing plate 214 drives the second cylinder 22 to move upwards or downwards, two ends of the second fixing plate 214 are disposed on the guide rods 261 through the third sliders 262 to guide the movement of the second fixing plate 214, the second fixing plate 214 is disposed more stably to make the vertical movement thereof more stable, the guide rods 261 can be , three, four, etc., as long as the guide function of guiding the vertical translational movement of the second fixing plate 214 can be achieved.

As shown in fig. 6, the pull-down mechanism 2 further includes a grabbing frame 24 and a fixing support 263, specifically, the grabbing frame 24 includes an upper plate 241, a lower plate 242 and a side plate 243, the end surfaces of the upper plate 241 and the lower plate 242, which are close to each other, are respectively provided with a connecting seat bearing 264, the upper end and the lower end of the second lead screw 212 are sleeved in the connecting seat bearing 264, the upper part and the lower part of the outer wall surface of the side plate 243 of the grabbing frame 24 are respectively provided with fifth sliding blocks 265, and the fixing support 263 is provided with a sliding rail 266 which is matched with the fifth sliding blocks 265.

The pull-down mechanism 2 further includes a fourth drive mechanism. The fourth driving mechanism includes a fourth stepping motor 251, a fourth lead screw 252, and a fourth slider 253. The fourth lead screw 252 is connected with an output end of the fourth stepping motor 251, and is suitable for performing axial rotation movement under the driving of the fourth stepping motor 251; the fourth slider 253 is threadedly connected to the fourth lead screw 252 and adapted to perform a translational motion according to the rotation of the fourth lead screw 252.

The fixed bracket 263 is provided with a fixed plate 267, the fourth stepping motor 251 is fixed on the fixed plate 267, and the side plate 243 of the grabbing frame 24 is fixedly connected with the fourth slider 253. the fourth stepping motor 251 drives the fourth slider 253 to perform translational motion (i.e. motion in the left-right direction in fig. 4, and translational motion in the direction perpendicular to the paper surface in fig. 7) perpendicular to the cylinder 12, the second cylinder 22 and the second lead screw 212.

As shown in fig. 7, in the feeding area, the slide bar 3 is arranged on the steel belt through the adjusting clamp, the steel belt is provided with the upper clamp, the bottom of the slide bar 3 is provided with the lower clamp 4, the lifting mechanism 1 is fixed on the frame of the feeding frame and located right below the lower clamp 4, when the height of the lower clamp 4 needs to be adjusted, the second cylinder 22 drives the grabbing and pulling part 23 to perform translational motion towards the slide bar 3, the slide bar 3 is clamped in the accommodating area of the grabbing and pulling part 23, the second stepping motor 211 drives the grabbing and pulling part 23 to move downwards through the second fixing plate 214, when the grabbing and pulling part 23 moves downwards to be in contact with the upper end face of the lower clamp 4, the grabbing and pulling part 23 continues to move downwards, the lower clamp 4 and the slide bar 3 are driven to move downwards for a second distance , so that the position of the lower clamp 4 is lower than the preset height to be adjusted, the second cylinder 12 drives the riding wheel 14 to move upwards according to the preset value, the riding wheel 14 is provided with a position sensor electrically connected with the PLC, when the riding wheel 14 is in contact with the lower clamp 4, the position sensor can detect signals, at this time, the second dragging motor 211 can be started, so that the second riding wheel 211 moves upwards, and the.

The height of the lower clamp 4 is determined by the pull-down mechanism 2 through two actions of pulling down the th distance and lifting the lifting mechanism 1 by the second distance, so that the height of the lower clamp 4 is more accurately positioned, the bottom of the lower clamp 4 is clamped in the groove of the riding wheel 14, the riding wheel 14 supports the lower clamp 4 and the sliding rod 3, and the lower clamp 4 and the sliding rod 3 are prevented from shaking in the process of installing a circuit board.

For example, when the lower fixture 4 needs to descend by 300mm, the distance from the supporting roller 14 of the lifting mechanism 1 to the lower fixture 4 at the initial position is set to 350mm, the lower fixture 4 is pulled down by 350mm through the grabbing and pulling component 23, so that the lower fixture 4 is in contact with the lifting mechanism 1, and the position sensor detects the lower fixture 4, then, the -th air cylinder 12 is started, the grabbing and pulling component 23 is started to move upwards, and the lower fixture 4 is driven to move upwards by 50mm together, so that the accurate positioning of the lower fixture 4 can be realized.

During the process of pulling down the gripping and pulling component 23, the sliding rod 3 and the lower clamp 4 continue to convey forwards along with the steel belt, and the controller of the fourth stepping motor 251 can calculate the rotating speed of the fourth stepping motor 251 according to the output signal of the steel belt transmission, so as to drive the pull-down frame of the pull-down mechanism 2 to synchronously transmit along with the steel belt. The steel belt does not need to stop working in the positioning process, and the production efficiency can be obviously improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.