CN215824577U - Positioning device - Google Patents

Abstract

The utility model discloses a positioning device, which comprises a first bracket, a bearing component and a pressing component, wherein the first bracket is arranged on the first bracket; the bearing assembly comprises a bearing plate arranged on the first support and a positioning plate arranged on the bearing plate, and a feeding channel for conveying workpieces is formed between the bearing plate and the positioning plate; the bearing plate is provided with an opening communicated with the feeding channel, and the positioning plate is provided with a station hole communicated with the feeding channel; the pressing assembly is located below the bearing assembly and used for penetrating through the opening to press the workpiece to the positioning plate. By the technical scheme, the technical problem that laser processing effects are inconsistent due to inconsistent thicknesses of processed workpieces in the prior art is solved.

Description

Positioning device

Technical Field

The utility model relates to the technical field of laser processing, in particular to a positioning device.

Background

In the prior art, a laser marking device is commonly used for leaving marks such as characters or trademarks on a workpiece. In the laser marking process, the positioning is generally realized by pressing the workpiece to be processed downwards.

However, the machined workpieces of different types and specifications have different thicknesses, which can cause the distance between the workpiece and the laser marking device to change, namely, the marking distance changes due to the different thicknesses of the workpiece, and further causes inconsistent laser machining effect.

SUMMERY OF THE UTILITY MODEL

Based on the technical scheme, the utility model provides a positioning device to solve the technical problem that laser processing effects are inconsistent due to inconsistent thicknesses of processed workpieces in the prior art.

The present invention provides a positioning device, comprising:

a first bracket;

the bearing assembly comprises a bearing plate arranged on the first support and a positioning plate arranged on the bearing plate, and a feeding channel for conveying workpieces is formed between the bearing plate and the positioning plate; the bearing plate is provided with an opening communicated with the feeding channel, and the positioning plate is provided with a station hole communicated with the feeding channel;

and the pressing assembly is positioned below the bearing assembly and is used for penetrating through the opening to press the workpiece to the positioning plate.

In an embodiment of the positioning device, the positioning device further comprises a second bracket and a lifting assembly, and the lifting assembly is arranged between the first bracket and the second bracket and is used for driving the first bracket to perform lifting movement relative to the second bracket.

In one embodiment of the positioning device, the pressing assembly includes a driving member fixed on the first bracket and a pressing plate connected with a power output end of the driving member for pressing the workpiece,

the pressing assembly further comprises a fool-proof piece connected with the power output end of the driving piece, a matching portion is arranged on the workpiece, the pressing plate presses the workpiece, and the fool-proof piece and the matching portion are matched and oppositely installed to prevent fool of the workpiece.

In an embodiment of the positioning device, the matching part is a PIN hole, and the fool-proof piece is a fool-proof post; and in the process that the pressing plate presses the workpiece, the fool-proof column penetrates into the PIN hole.

In an embodiment of the positioning device, the positioning device further comprises a guide assembly disposed on the carrier plate, and the guide assembly is configured to guide the workpiece into the feeding channel and/or guide the workpiece out of the feeding channel.

In an embodiment of the positioning device, the guide assembly includes a first guide plate and a second guide plate fixed on the bearing plate, the first guide plate and the second guide plate are located at two ends of the positioning plate, the first guide plate and the bearing plate form a guiding channel, the second guide plate and the bearing plate form a guiding channel, and the workpiece sequentially passes through the guiding channel, the loading channel and the guiding channel.

In an embodiment of the positioning device, the bearing plate is further provided with guide grooves, and the guide grooves penetrate through two opposite ends of the bearing plate; wherein the opening penetrates through the groove bottom of the guide groove.

In an embodiment of the positioning device, the workpiece is formed with an aligning portion;

the positioning device further comprises an aligning component for aligning with the aligning part so as to confirm that the workpiece moves in place.

In an embodiment of the positioning device, the aligning portion is a PIN hole;

the alignment assembly comprises a first mounting plate, a second mounting plate, an alignment rod and a sensor; the first mounting panel with the second mounting panel sets up on the loading board, the alignment pole sets up on the first mounting panel, just the alignment pole can push down below the up-and-down motion PIN is downthehole, the sensor sets up the second mounting panel is in order to respond to PIN hole.

In an embodiment of the positioning device, the positioning device further comprises a buffer member disposed on the compressing assembly, and the buffer member is used for buffering the compressing operation of the compressing assembly to prevent the workpiece from being crushed.

The embodiment of the utility model has the following beneficial effects:

in the utility model, the positioning plates are arranged on the bearing plate to jointly form a feeding channel for conveying workpieces, the surface of the workpiece close to the bearing plate is defined as a lower surface, and the surface of the workpiece far from the bearing plate is defined as an upper surface, wherein the upper surface of the workpiece is a surface to be processed. And the bearing plate is provided with an opening communicated with the feeding channel, and the positioning plate is provided with a station hole communicated with the feeding channel, so that when a workpiece is positioned in the feeding channel, the lower surface of the workpiece is exposed through the opening, and the upper surface of the workpiece is exposed through the station hole. Specifically, after the workpiece is conveyed to the feeding channel, the pressing assembly penetrates through the opening to move into the feeding channel and abuts against the lower surface of the workpiece to press the workpiece on the positioning plate, so that the upper surface of the workpiece is attached to the positioning plate, the height position of the upper surface of the workpiece is positioned, and the laser processing device performs laser processing on the upper surface of the workpiece through the station hole. The distance between the laser processing device and the positioning plate and the depth of the station hole (the thickness of the positioning plate) are the laser processing distance. The positioning device is used for positioning the workpiece, so that the distance between the surface to be processed of the workpiece with different specifications and the laser processing device is uniform, the laser processing device can always focus on the surface to be processed of the workpiece, the workpiece is not influenced by the thickness of the workpiece, and the laser processing effect is ensured to be uniform.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

fig. 1 is a schematic view showing an overall structure of a positioning apparatus provided according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a portion of a positioning apparatus provided in accordance with an embodiment of the present invention;

FIG. 3 shows a schematic structural view of a hold-down assembly;

fig. 4 shows a partially enlarged schematic view of the positioning device.

Description of the main element symbols:

100. a positioning device; 10. a first bracket; 11. a first support plate; 12. a first support; 20. a load bearing assembly; 20a, a feeding channel; 21. a carrier plate; 211. an opening; 212. a guide groove; 213. a first card slot; 214. a second card slot; 215. a third card slot; 22. positioning a plate; 22a, station holes; 22b, a housing hole; 221. a third main board; 222. a third folded plate; 2221. clamping convex; 40. a compression assembly; 41. a drive member; 411. a clamping part; 42. pressing a plate; 43. a fool-proof post; 44. an adapter plate; 441. a bayonet; 45. a speed regulating valve; 50. a second bracket; 51. supporting the side plates; 52. a connecting plate; 60. a lifting assembly; 70b, a lead-in channel; 70c, leading-out channels; 71. a first guide plate; 711. a first main board; 712. a first folded plate; 72. a second guide plate; 721. a second main board; 722. a second folded plate; 80. aligning the assembly; 81. a first mounting plate; 811. mounting holes; 82. an alignment rod; 83. a first drop prevention member; 84. a second drop prevention member; 85. an elastic member; 86. a second mounting plate; 87. a sensor; 90. a buffer member; 200. a workpiece; 210. and a PIN hole.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiments of the present invention will be described below with reference to the drawings.

Referring to fig. 1-3, the present invention provides a positioning device 100, which comprises a first support 10, a carrying assembly 20 and a pressing assembly 40; the bearing assembly 20 includes a bearing plate 21 disposed on the first support 10 and a positioning plate 22 disposed on the bearing plate, the bearing plate 21 and the positioning plate 22 forming a feeding passage 20a for conveying the workpiece 200; the bearing plate 21 is provided with an opening 211 communicated with the feeding channel 20a, and the positioning plate 22 is provided with a station hole 22a communicated with the feeding channel 20 a; the pressing assembly 40 is located below the loading plate 21, and the pressing assembly 40 is used for penetrating through the opening 211 to press the workpiece 200 to the positioning plate 22.

In the present invention, the positioning plates 22 are disposed on the carrier plate 21 to collectively form a feeding passage 20a for conveying the workpiece 200, defining a surface of the workpiece 200 close to the carrier plate 21 as a lower surface and a surface of the workpiece 200 away from the carrier plate 21 as an upper surface, wherein the upper surface of the workpiece 200 is a surface to be machined; the bearing plate 21 is provided with an opening 211 communicated with the feeding channel 20a, and the positioning plate 22 is provided with a station hole 22a communicated with the feeding channel 20a, so that when the workpiece 200 is positioned in the feeding channel 20a, the lower surface of the workpiece 200 is exposed through the opening 211, and the upper surface of the workpiece 200 is exposed through the station hole 22 a; specifically, after the workpiece 200 is conveyed to the feeding channel 20a, the pressing component 40 moves into the feeding channel 20a through the opening 211 and abuts against the lower surface of the workpiece 200 to press the workpiece 200 against the positioning plate 22, so that the upper surface of the workpiece 200 is attached to the positioning plate 22, the height position of the upper surface of the workpiece 200 is positioned, and the laser processing device performs laser processing on the upper surface of the workpiece 200 through the station hole 22 a; the distance between the laser processing device and the positioning plate 22 and the depth of the station hole 22a (the thickness of the positioning plate 22) are the laser processing distance, the positioning device 100 is used for positioning the workpiece 200, so that the distance between the surfaces to be processed of the workpieces 200 with different specifications and the laser processing device is consistent, the laser processing device can always focus on the surface to be processed of the workpiece 200 and is not influenced by the thickness of the workpiece 200, and the consistency of the laser processing effect is ensured.

It should be noted that the bearing plate 21 is provided with an opening 211 along the thickness direction thereof, and the positioning plate 22 is provided with a station hole 22a along the thickness direction thereof, so as to ensure that the opposite upper surface and lower surface of the workpiece 200 can be exposed from the station hole 22a and the opening 211 respectively.

In some embodiments, a plurality of station holes 22a may be provided, and the arrangement of the station holes 22a may be flexibly adjusted, for example, the plurality of station holes 22a are arranged in a matrix.

Referring to fig. 1 and 2, the first frame 10 includes a first support plate 11 and a plurality of first support columns 12 disposed on the first support plate 11, the first support columns 12 are used for supporting the loading plate 21, and the pressing assembly 40 is disposed on the first support plate 11, so that the pressing assembly 40 is below the loading plate 21.

In some embodiments, the positioning plate 22 may be made of brass, which is beneficial to dissipating heat from the workpiece 200 during the laser processing process, thereby effectively ensuring the laser processing effect.

In one embodiment, referring to fig. 1, the positioning apparatus 100 further includes a second frame 50 and a lifting assembly 60, the lifting assembly 60 is disposed between the first frame 10 and the second frame 50, and the lifting assembly 60 is used for driving the first frame 10 to move up and down relative to the second frame 50. The first bracket 10 is driven by the lifting assembly 60 to move up and down, so that the bearing plate 21, the positioning plate 22 and the pressing assembly 40 move up and down, the focal length of laser processing can be adjusted, different processing requirements can be met, and the adaptability of the positioning device 100 is improved.

In some embodiments, the lifting assembly 60 includes a base fixed to the second frame 50, a lifting plate capable of moving up and down relative to the base and fixedly connected to the first frame 10, a motor fixedly connected to the base, and a wedge block disposed in the base and fixedly connected to a power output end of the motor, wherein a wedge surface of the wedge block abuts against the lifting plate, and the motor drives the wedge block to move horizontally. That is, the wedge-shaped block is abutted against the lifting plate, so that the horizontal movement of the wedge-shaped block is converted into the up-and-down movement of the lifting plate, and the first support 10 connected with the lifting plate is driven to move up and down.

In other embodiments, the lifting assembly 60 comprises a lifting cylinder fixed on the second frame 50, and a lifting plate fixedly connected to the power output end of the lifting cylinder, wherein the lifting plate is fixedly connected to the first frame 10.

In addition, the lifting assembly 60 further includes a base plate and a guide post, the base plate is fixed on the second bracket 50 to be used for supporting the lifting cylinder, one end of the guide post is fixedly connected with the base plate, and the other end of the guide post is movably arranged on the lifting plate in a penetrating manner so as to guide the lifting of the lifting plate to prevent deflection.

In some specific embodiments, the second bracket 50 includes two oppositely disposed supporting side plates 51 and a connecting plate 52 connected between the two supporting side plates 51, that is, the second bracket 50 is i-shaped, so as to ensure the overall stability of the second bracket 50, and to ensure that the second bracket 50 stably supports the lifting assembly 60, the first bracket 10, the loading plate 21, the pressing assembly 40, and the like.

Referring to fig. 1 to 3, the pressing assembly 40 includes a driving member 41 and a pressing plate 42, the driving member 41 is fixed on the first frame 10, and the pressing plate 42 is connected to a power output end of the driving member 41 for pressing the workpiece 200, wherein the driving member 41 can be driven manually or electrically.

In some specific embodiments, the pressing plate 42 may be made of a brass material, so that on one hand, the workpiece 200 may be prevented from being crushed, and on the other hand, when laser processing is performed, the pressing plate 42 made of the brass material may dissipate heat of the workpiece 200, so as to solve the problem of uneven local heat dissipation, and effectively improve the laser processing effect.

In an embodiment, the workpiece 200 is provided with a matching portion, the pressing assembly 40 further includes a fool-proof member connected to the power output end of the driving member 41, and the fool-proof member and the matching portion match with each other to fool-proof the workpiece 200 in the process of pressing the workpiece 200 by the pressing plate 42, so that the workpiece 200 is prevented from deviating or bending in the process of pressing the workpiece 200 against the positioning plate 22 by the pressing plate 42, and the flatness of the workpiece 200 and the accuracy of the processing position are ensured.

In some embodiments, referring to fig. 1-3, the mating portion is a PIN hole 210 and the fool-proof member is a fool-proof post 43; during the process of pressing the workpiece 200 by the pressing plate 42, the fool-proof post 43 penetrates into the PIN hole 210. The embodiment realizes fool-proofing through the PIN hole 210 of the workpiece 200, reduces processing steps on the one hand, and improves fool-proofing precision on the other hand.

Further, the fool-proof post 43 penetrates through the PIN hole 210, and correspondingly, an accommodating hole 22b for accommodating the fool-proof post 43 is formed in the positioning plate 22, that is, the fool-proof post 43 penetrates through the accommodating hole 22b after penetrating through the PIN hole 210. Accommodate through accepting hole 22b and prevent slow-witted post 43, guarantee on the one hand that clamp plate 42 compresses tightly work piece 200 on locating plate 22 seamlessly, on the other hand restricts to preventing slow-witted post 43, improves the prevent slow-witted stability of preventing slow-witted post 43.

Referring to fig. 3, the number of the fool-proof posts 43 is four, and the four fool-proof posts 43 are arranged in a square shape.

The clamp plate 42 is the rectangle structure, and four corners of clamp plate 42 form dodges the breach, and four prevent slow-witted post 43 one-to-one sets up in dodging the breach.

It should be noted that the pressing plate 42 can be configured in a profiling manner according to the specific shape of the workpiece 200, and the number and specific position configuration of the fool-proof posts 43 can be adaptively adjusted according to the shape and structure of the workpiece 200 and the shape and structure of the pressing plate.

In other specific embodiments, the matching portion may be further configured as a first protruding structure, the fool-proof member has a limiting opening, and the first protruding structure is received into the limiting opening of the fool-proof member in a limiting manner during the process of pressing the workpiece 200 by the pressing plate 42, so as to achieve fool-proof and prevent the workpiece 200 from displacing.

In one embodiment, referring to fig. 3, the pressing assembly 40 further includes an adapter plate 44 fixedly connected to the power output end of the driving member 41, and the pressing plate 42 and the fool-proof post 43 are fixed to the adapter plate 44.

Referring to fig. 3, the adaptor plate 44 is formed with a bayonet 441, the power output end of the driving member 41 forms a clamping portion 411, and the clamping portion 411 is clamped into the bayonet 441 to realize the connection between the driving member 41 and the adaptor plate 44, so as to drive the pressing plate 42 and the foolproof post 43 to move up and down.

In some specific embodiments, the driving member 41 is a cylinder, and the compacting assembly 40 further includes a speed regulating valve 45, and the speed of the cylinder movement is effectively controlled by the speed regulating valve 45.

In one embodiment, referring to fig. 1 and 2, the supporting plate 21 is further provided with a guiding groove 212, and the guiding groove 212 penetrates through two opposite ends of the supporting plate 21; wherein the opening 211 penetrates the groove bottom of the guide groove 212. That is, the workpiece 200 moves along the extending track of the guide groove 212, so as to ensure the smooth transmission of the workpiece 200; meanwhile, the guide slots 212 penetrate through both ends of the carrier plate 21, so that the workpiece 200 can be smoothly and conveniently guided onto the carrier plate 21, and then the workpiece 200 can be smoothly and conveniently guided down the carrier plate 21.

In one embodiment, the positioning device 100 further comprises a guiding assembly disposed on the carrier plate 21 for guiding the workpiece 200 into the loading channel 20a and/or guiding the workpiece 200 out of the loading channel 20 a.

In some embodiments, the guide assembly is used to guide the workpiece 200 into the loading channel 20a, thereby preventing the workpiece 200 from shifting during the loading.

In other embodiments, the guide assembly is used to guide the workpiece 200 out of the loading channel 20a to prevent the workpiece 200 from shifting during the unloading process.

In other specific embodiments, with continued reference to fig. 1 and 2, a guide assembly is used to guide the workpiece 200 into the loading channel 20a and to guide the workpiece 200 out of the loading channel 20 a. Specifically, the guide assembly includes a first guide plate 71 and a second guide plate 72 fixed on the bearing plate 21, the first guide plate 71 and the second guide plate 72 are located at two ends of the positioning plate 22, the first guide plate 71 and the bearing plate 21 form a guide channel 70b, the second guide plate 72 and the bearing plate 21 form a guide channel 70c, and the workpiece 200 sequentially passes through the guide channel 70b, the loading channel 20a and the guide channel 70 c. That is, the first guide plate 71 and the second guide plate 72 are respectively arranged at both ends of the positioning plate 22 along the extending direction of the guide groove 212, and a straight line is determined based on two points, and the workpiece 200 is ensured not to be deviated when being conveyed into the feeding passage 20a by the cooperation limitation of the introducing passage 70b and the feeding passage 70 a; the cooperation of the channel lead-out channel 70c and the feeding channel 20a is limited, so that the workpiece 200 is not deviated when being conveyed out of the feeding channel 20 a; this implementation further improves the effect of laser processing by improving the stability of the transmission state of the workpiece 200.

Referring to fig. 1 and 2, the first guide plate 71 covers a part of the guide groove 212, and the second guide plate 72 covers a part of the guide groove 212, so that the work 200 is prevented from coming out of the guide groove 212 during the transfer process by the first guide plate 71 and the second guide plate 72.

In some specific embodiments, referring to fig. 2, the first guiding plate 71 includes a first main plate 711 disposed opposite to the loading plate 21 and two first folding plates 712 bent from two opposite ends of the first main plate 711; the loading plate 21 is provided with two first slots 213 disposed oppositely, the two first folding plates 712 are clamped into the first slots 213, and the first main plate 711 is spaced from the plate surface of the loading plate 21 by a predetermined distance, so that the loading plate 21, the two first folding plates 712, and the first main plate 711 form a guiding channel 70b together.

The second guiding plate 72 includes a second main plate 721 opposite to the loading plate 21 and two second folding plates 722 bent from two opposite ends of the second main plate 721; the loading board 20 is provided with two second slots 214 disposed oppositely, the two second folding plates 722 are clamped into the second slots 214, and the second main board 721 is spaced from the board surface of the loading board 21 by a predetermined distance, so that the loading board 21, the two second folding plates 722, and the second main board 721 together form the guiding channel 70 c.

The positioning plate 22 includes a third main plate 221 disposed opposite to the carrier plate 21 and two third folding plates 222 bent from two opposite ends of the third main plate 221, wherein the two third folding plates 222, the third main plate 221 and the carrier plate 21 form a feeding channel 20 a. The bearing plate 21 is further provided with a third engaging groove 215, and the third folded plate 222 protrudes to form a engaging protrusion 221 engaging with the third engaging groove 215, so as to mount the positioning plate 22 on the bearing plate 21.

In one embodiment, the workpiece 200 is formed with an alignment portion; the positioning apparatus 100 further includes an alignment assembly 80 for aligning with the alignment portion to confirm the movement of the workpiece 200 into position.

In some embodiments, referring to fig. 1, 2 and 4, the aligning portion is a PIN hole 210, the aligning assembly 80 includes a first mounting plate 81 and an aligning rod 82, the first mounting plate 81 is disposed on the carrier plate 21, the aligning rod 82 is disposed on the first mounting plate 81, and the aligning rod 82 can move up and down to press the PIN hole 210.

Further, referring to fig. 4, the first mounting plate 81 is opened with mounting holes 811; the alignment assembly 80 further comprises a first anti-release member 83, a second anti-release member 84 and an elastic member 85, the alignment rod 82 movably penetrates through the mounting hole 811, the first anti-release member 83 is fixedly arranged on the alignment rod 82 and located on one side of the first mounting plate 81 far away from the bearing plate 20, the first anti-release member 83 is fixedly arranged on the alignment rod 82 and located on one side of the first mounting plate 81 close to the bearing plate 20, and the elastic member 85 is sleeved on the alignment rod 82 and located between the first mounting plate 81 and the first anti-release member 83. Specifically, the alignment rod 82 is pressed against the elastic force of the elastic member 85, and when the alignment rod 82 can be pressed into the PIN hole 210 in an aligned manner, the workpiece 200 is moved to the position; when the pressing is stopped, the elastic force of the elastic member 85 drives the aligning rod 82 to move upwards to complete the resetting, so that the interference on the transmission of the workpiece 200 is prevented. In the embodiment, the PIN holes 210 of the workpiece 200 are aligned by the alignment rod 82, so that the accuracy of the initial processing position of the workpiece 200 is effectively ensured.

Referring to fig. 4, the alignment assembly 80 further includes a second mounting plate 86 and a sensor 87; the second mounting plate 86 is disposed on the carrier plate 21, and the sensor 87 is disposed on the second mounting plate 86 for detecting the PIN hole 210, when the sensor 87 detects the PIN hole 210, it is indicated that the workpiece 200 is moved into position. The accuracy of the initial machining position of the workpiece 200 is doubly guaranteed by the double alignment of the sensor 87 with the alignment rod 82 to the PIN hole 210 of the workpiece 200 itself.

Specifically, the sensor 87 may employ a fiber optic sensor 87.

In other embodiments, the alignment portion may be configured as a second raised structure, and the alignment assembly 80 may sense the second raised structure, indicating that the workpiece 200 is moved into position when the alignment assembly 80 senses the second raised structure.

In one embodiment, referring to fig. 1 and 2, the positioning device 100 further includes a buffer member 90 disposed on the pressing assembly 40, the buffer member 90 is used for buffering the pressing operation of the pressing assembly 40, and the pressure applied to the workpiece 200 by the pressing assembly 40 is buffered by the buffer member 90 so as to prevent the pressing assembly 40 from crushing the workpiece 200.

The buffer member 90 is provided on the driver 41, and when the driver 41 drives the platen 42 to move, the buffer member 90 abuts against the adapter plate 44 to perform buffering.

In some specific embodiments, the buffer 90 may be provided as a hydraulic buffer.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims. The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims (10)

1. A positioning device, comprising:

a first bracket;

the bearing assembly comprises a bearing plate arranged on the first support and a positioning plate arranged on the bearing plate, and a feeding channel for conveying workpieces is formed between the bearing plate and the positioning plate; the bearing plate is provided with an opening communicated with the feeding channel, and the positioning plate is provided with a station hole communicated with the feeding channel;

and the pressing assembly is positioned below the bearing assembly and is used for penetrating through the opening to press the workpiece to the positioning plate.

2. The positioning device as set forth in claim 1 further comprising a second support and a lifting assembly disposed between said first support and said second support for driving said first support in a lifting motion relative to said second support.

3. The positioning device according to claim 1, wherein the pressing assembly includes a driving member and a pressing plate, the driving member is fixed on the first bracket, the pressing plate is connected to the power output end of the driving member for pressing the workpiece, the pressing assembly further includes a fool-proof member connected to the power output end of the driving member, the workpiece is provided with a fitting portion, and the fool-proof member and the fitting portion are matched and aligned to perform fool-proof operation on the workpiece in a process of pressing the workpiece by the pressing plate.

4. The positioning device of claim 3, wherein the mating portion is a PIN hole and the fool-proof member is a fool-proof post; and in the process that the pressing plate presses the workpiece, the fool-proof column penetrates into the PIN hole.

5. The positioning device of claim 1, further comprising a guide assembly disposed on the carrier plate for guiding the workpiece into and/or out of the loading channel.

6. The positioning device as set forth in claim 5, wherein the guide assembly comprises a first guide plate and a second guide plate fixed on the bearing plate, and the first guide plate and the second guide plate are located at both ends of the positioning plate, the first guide plate and the bearing plate form a guide-in channel, the second guide plate and the bearing plate form a guide-out channel, and the workpiece passes through the guide-in channel, the feeding channel and the guide-out channel in sequence.

7. The positioning device as set forth in any one of claims 1 to 6, wherein the carrying plate is further provided with guide grooves, and the guide grooves penetrate through opposite ends of the carrying plate; wherein the opening penetrates through the groove bottom of the guide groove.

8. The positioning device according to claim 1, wherein the workpiece is formed with an aligning portion;

the positioning device further comprises an aligning component for aligning with the aligning part so as to confirm that the workpiece moves in place.

9. The positioning device of claim 8, wherein the registration portion is a PIN hole;

the alignment assembly comprises a first mounting plate, a second mounting plate, an alignment rod and a sensor; the first mounting panel with the second mounting panel sets up on the loading board, the alignment pole sets up on the first mounting panel, just the alignment pole can push down below the up-and-down motion PIN is downthehole, the sensor sets up the second mounting panel is in order to respond to PIN hole.

10. The positioning device of claim 1, further comprising a buffer disposed on the hold-down assembly for buffering the hold-down operation of the hold-down assembly to prevent crushing of the workpiece.

Images