CN221315459U - Clamping mechanism and screen switching robot - Google Patents
Clamping mechanism and screen switching robot Download PDFInfo
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- CN221315459U CN221315459U CN202323112419.XU CN202323112419U CN221315459U CN 221315459 U CN221315459 U CN 221315459U CN 202323112419 U CN202323112419 U CN 202323112419U CN 221315459 U CN221315459 U CN 221315459U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000013519 translation Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000007650 screen-printing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
The utility model relates to a clamping mechanism and a screen switching robot, wherein the clamping mechanism comprises: the clamping main body is provided with an accommodating space; the clamping assembly comprises a translation unit horizontally fixed in the accommodating space and a clamping unit arranged on the translation unit, the steel mesh is clamped by the clamping unit, and the steel mesh is horizontally pushed and pulled by the translation unit; the clamping unit comprises two clamping plates capable of relatively moving and a second driving source for driving the two clamping plates to relatively move, and the second driving source is arranged on the translation unit. The utility model can realize the clamping of steel nets with different sizes or specifications and complete the drawing of the steel nets, thereby improving the switching efficiency of the steel nets.
Description
Technical Field
The utility model relates to the technical field of robots, in particular to a clamping mechanism and a screen switching robot.
Background
Screen printing is a production process, and corresponding production equipment and storage equipment are required in the production process. The screen printer is a matched production device for implementing the printing process.
The storage device mainly comprises a steel mesh storage library, a line edge cache rack and the like. In the actual screen printing switching process, the steel screen/screen plate needs to be taken out of the screen printing machine, and then a new steel screen is acquired from a steel screen storage library or a line edge buffer frame for installation.
Currently, in the screen printing process, the automation degree and the precision of the printing of a screen printer are greatly improved.
However, the switching process is often dependent on manual operation, limited by the different sizes and specifications of the steel mesh. This approach, while simple, is inefficient.
Therefore, how to realize the automation degree of the screen printing switching process becomes a difficult problem of improving the screen printing productivity.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model discloses a clamping mechanism and a screen plate switching robot.
The technical scheme adopted by the utility model is as follows:
A clamping mechanism comprising:
The clamping main body is provided with an accommodating space;
The clamping assembly comprises a translation unit horizontally fixed in the accommodating space and a clamping unit arranged on the translation unit, the steel mesh is clamped by the clamping unit, and the steel mesh is horizontally pushed and pulled by the translation unit;
The clamping unit comprises two clamping plates capable of relatively moving and a second driving source for driving the two clamping plates to relatively move, and the second driving source is arranged on the translation unit.
In one embodiment of the present utility model, the clamping unit further includes a screw rod in driving connection with the second driving source, a second guide rod parallel to the screw rod, two second sliders slidably connected to the screw rod, two screw nuts respectively disposed in the two second sliders, and the screw rod and the screw nut are in threaded engagement; the two clamping plates are oppositely arranged on the two second sliding blocks, and the two clamping plates are relatively close to or far away from each other.
In one embodiment of the utility model, two sections of reverse spiral parts are arranged on the screw rod, and two screw nuts are respectively in threaded fit with the two sections of spiral parts.
In one embodiment of the utility model, an elastic clamping piece is arranged at the end of the clamping plate, which is far away from the second sliding block, and the elastic clamping piece can be attached to the steel mesh.
In one embodiment of the present utility model, the elastic clamping member includes a mounting portion, an elastic cavity portion connected to the mounting portion, and a tapered expansion portion connected to the elastic cavity portion, the elastic cavity portion having an axially disposed hollow channel.
In one embodiment of the utility model, the translation unit comprises two sliding plates which are oppositely arranged, two first guide rods which are arranged above the sliding plates, two first sliding blocks which are in sliding connection with the first guide rods, two transverse brackets which are fixedly connected with the two first sliding blocks, a first driving source which is arranged on the transverse brackets, and a linear transmission mechanism which is in transmission connection with the first driving source.
In one embodiment of the utility model, the linear transmission mechanism comprises a gear connected with the output end of the first driving source and a rack meshed with the gear, and the rack is horizontally fixed on the sliding plate.
In one embodiment of the present utility model, the clamping body includes a bottom plate, two opposite side plates, and a rear plate connecting the two side plates, and the bottom plate, the side plates, and the rear plate enclose the accommodating space.
In one embodiment of the utility model, the clamping assembly comprises at least two groups of clamping assemblies arranged above each other, wherein the clamping assemblies are used for clamping the steel mesh used for switching and the steel mesh needing to be switched.
The utility model also provides a screen switching robot which comprises the clamping mechanism.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the clamping mechanism disclosed by the utility model can clamp steel nets with different sizes or specifications and complete drawing of the steel nets, so that the switching efficiency of the steel nets is improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic structural view of a clamping mechanism in the present utility model.
Fig. 2 is a side view of the clamping mechanism of the present utility model.
Fig. 3 is a schematic view of a clamping assembly according to the present utility model.
Fig. 4 is a bottom view of the clamping assembly of the present utility model.
FIG. 5 is a schematic view of the structure of the first slider and the connecting member according to the present utility model.
Fig. 6 is a schematic structural view of the connector according to the present utility model.
Fig. 7 is a schematic view of a part of the structure of the clamping unit in the present utility model.
FIG. 8 is a schematic view of the structure of the elastic clamping body in the present utility model.
Description of the specification reference numerals:
100. A clamping body; 101. a bottom plate; 102. a side plate; 103. a rear plate; 104. an accommodating space;
200. A clamping assembly;
300. A translation unit; 301. a slide plate; 302. a first guide bar; 303. a first slider; 304. a transverse bracket; 305. a first decelerator; 306. a first motor; 307. a gear; 308. a rack; 309. a connecting piece; 3091. a first connection portion; 3092. a second connecting portion; 310. a position sensor;
400. A clamping unit; 401. a second decelerator; 402. a second motor; 403. a screw rod; 404. a second guide bar; 405. a second slider; 406. a lead screw nut; 407. a clamping plate; 408. a linear bearing; 409. a reinforcing rib portion; 410. an elastic clamping member; 4101. a mounting part; 4102. an elastic cavity portion; 4103. a tapered expansion portion; 4104. a boss; 411. a contact induction switch; 412. a first gear; 413. a second gear;
500. a steel mesh.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments, read in conjunction with the accompanying drawings. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the utility model, and furthermore, like reference numerals refer to like elements throughout the embodiments.
The applicant has found that in practice, the switching process is usually dependent on manual operations, limited by the different dimensions and specifications of the steel mesh, which, although simple, is less efficient.
In order to solve the above problems, the present utility model provides a clamping mechanism and a screen switching robot.
Example 1
Referring to fig. 1 and 2, a clamping mechanism includes a clamping body 100 and a clamping assembly 200.
The clamping body 100 includes a bottom plate 101, two opposite side plates 102, and a rear plate 103 connecting the two side plates 102. The bottom plate 101, the side plates 102 and the rear plate 103 enclose a housing space 104.
The clamping assembly 200 includes a translation unit 300 horizontally fixed in the receiving space 104 of the clamping body 100 and a clamping unit 400 provided on the translation unit 300, clamps the steel mesh 500 of different sizes or specifications through the clamping unit 400, and horizontally pushes and pulls the steel mesh 500 through the translation unit 300.
As shown in fig. 3, the translation unit 300 includes two opposite slide plates 301, two first guide rods 302 disposed above the slide plates 301, two first slide blocks 303 slidably connected with the first guide rods 302, two transverse brackets 304 fixedly connected with the two first slide blocks 303 and distributed at two ends, a first speed reducer 305 disposed on the transverse brackets 304, a first motor 306 connected with an input end of the first speed reducer 305, a gear 307 connected with an output end of the first speed reducer 305, and a rack 308 engaged with the gear 307. Rack 308 is horizontally fixed to slide 301. Slide 301 is fixed to an upper layer of side plate 102 of clamp body 100 or to a lower layer of bottom plate 101 of clamp body 100, slide 301 being for supporting steel mesh 500 sliding horizontally. One end of the first guide bar 302 is fixed to the slide plate 301 by a mounting block, and the other end of the first guide bar 302 is fixed to the rear plate 103 of the clamp body 100. The first reducer 305 and the first motor 306 form a driving source of the translation unit 300, the driving source of the translation unit 300 is started, the driving gear 307 moves along the setting direction of the rack 308, the transverse bracket 304 is driven to move horizontally, the first guide rod 302 and the first slider 303 form a guide assembly, and the guide assembly guides the transverse bracket 304 to move horizontally.
The transverse bracket 304 is connected with the first slider 303 by a connecting piece 309. In fig. 3, the connecting member 309 and the first slider 303 on one side thereof are not shown in order to better show the engagement structure of the gear 307 and the rack 308. Specifically, referring to fig. 5 and 6, the connector 309 includes a first connecting portion 3091 and a second connecting portion 3092 bent and connected to the first connecting portion 3091, an installation space is formed between the first connecting portion 3091 and the second connecting portion 3092, a first slider 303 is disposed on the second connecting portion 3092, the first slider 303 is disposed opposite to the first connecting portion 3091, a position sensor 310 is disposed on one side of the first slider 303, and the position sensor 310 senses the position of the first slider 303, so as to detect the position of the transverse bracket 304.
As shown in fig. 4, the clamping unit 400 includes a second reducer 401 provided on the transverse bracket 304, a second motor 402 connected to an input end of the second reducer 401, a screw 403 geared with the second reducer 401, a second guide bar 404 provided in parallel with the screw 403, two second sliders 405 slidably connected to the screw 403, two screw nuts 406 provided in the two second sliders 405, respectively, and two clamping plates 407 provided on the two second sliders 405 in opposition. The lead screw 403 is threadedly engaged with a lead screw nut 406. Two sections of reverse screws are arranged on the screw rod 403, and two screw nuts 406 are respectively matched with the two sections of screw threads on the screw rod 403, so that the two clamping plates 407 can move relatively close to or away from each other.
The output end of the second reducer 401 is connected to the first gear 412, the first gear 412 is engaged with the second gear 413, one end of the screw 403 is connected to the second gear 413, and the first gear 412 and the second gear 413 form a gear transmission.
The second speed reducer 401 and the second motor 402 form a driving source of the clamping unit 400, the driving source of the clamping unit 400 is started, the first gear 412 and the second gear 413 are in meshed transmission, the second gear 413 drives the screw 403 to rotate, the screw nut 406 converts rotary motion into linear motion, the two clamping plates 407 are driven to be relatively close to or far away from each other, the second guide rod 404 and the second sliding block 405 form a guide assembly, and the guide assembly guides the two clamping plates 407 to be relatively close to or far away from each other according to a specified direction.
In a further embodiment, as shown in fig. 7, a linear bearing 408 is disposed in the second slider 405, and it should be noted that, a linear bearing 408 is also disposed in the first slider 303, and the linear bearing 408 is used to support and guide the linear motion, so that the transverse bracket 304 and the clamping plate 407 can move smoothly.
In a further embodiment, as shown in fig. 7, the top and bottom edges of the clamping plate 407 are bent inward to form reinforcing rib portions 409, and the reinforcing rib portions 409 strengthen the top and bottom edge structures of the clamping plate 407, increasing the strength of the clamping plate 407.
In a further embodiment, the end of the clamping assembly 200 remote from the second slider 405 is provided with a resilient clamp 410. As shown in fig. 8, the elastic clamping member 410 includes a mounting portion 4101, an elastic cavity portion 4102 connected to the mounting portion 4101, and a tapered expansion portion 4103 connected to the elastic cavity portion 4102, wherein the elastic cavity portion 4102 has an axially arranged hollow channel, and when the tapered expansion portion 4103 contacts the steel mesh 500 and applies a force to the steel mesh 500, the hollow channel of the elastic cavity portion 4102 is used for absorbing an impact force to the steel mesh 500, thereby reducing damage of the elastic clamping member 410 to the steel mesh 500. Among them, a person skilled in the art can select a tapered expansion 4103 of a suitable size according to the thickness of the steel mesh 500.
Further, the surface of the conical expansion part 4103 contacting the steel mesh 500 is provided with a plurality of protruding parts 4104, and the plurality of protruding parts 4104 are preferably arranged on the conical expansion part 4103 in a uniformly distributed arrangement manner, so that the side wall of the steel mesh 500 can be better attached, and the clamping stability of the clamping unit 400 can be improved.
In a further embodiment, the clamping plates 407 on both sides are each provided with a contact-sensitive switch 411, wherein the contact-sensitive switches 411 may use pressure sensors. The contact sensing switch 411 on one clamping plate 407 is biased to the lower side of the elastic clamping piece 410, and the contact sensing switch 411 on the other side is biased to the upper side of the elastic clamping piece 410, so that the clamping effect of the steel mesh 500 is confirmed, and the situation that the clamping position of the elastic clamping piece 410 to the steel mesh 500 is biased to be higher or lower is avoided.
In a further embodiment, the clamping mechanism comprises at least two sets of clamping assemblies 200 arranged one above the other. The clamping assembly 200 is used for clamping the steel mesh 500 for switching and the steel mesh 500 to be switched.
Example two
A robot for switching net plates comprises a clamping mechanism provided in the first embodiment. The main design key point of the utility model is the structural improvement of the clamping mechanism, and the other structures of the screen switching robot, such as the electric connection part and the mechanical structure part of the screen switching robot, are not repeated.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A clamping mechanism, comprising:
a clamping body (100) having a receiving space (104);
The clamping assembly (200) comprises a translation unit (300) horizontally fixed in the accommodating space (104) and a clamping unit (400) arranged on the translation unit (300), wherein the steel mesh (500) is clamped by the clamping unit (400), and the steel mesh (500) is horizontally pushed and pulled by the translation unit (300);
the clamping unit (400) comprises two clamping plates (407) capable of relatively moving, and a second driving source for driving the two clamping plates (407) to relatively move, wherein the second driving source is arranged on the translation unit (300).
2. The clamping mechanism according to claim 1, wherein the clamping unit (400) further comprises a screw (403) in transmission connection with the second driving source, a second guide rod (404) arranged in parallel with the screw (403), two second sliders (405) in sliding connection with the screw (403), two screw nuts (406) respectively arranged in the two second sliders (405), the screw (403) and the screw nuts (406) being in threaded engagement; the two clamping plates (407) are oppositely arranged on the two second sliding blocks (405), and the two clamping plates (407) are relatively close to or far away from each other.
3. Clamping mechanism according to claim 2, characterized in that the screw (403) is provided with two opposite screw sections, and that the screw nuts (406) are respectively screwed with the two screw sections.
4. Clamping mechanism according to claim 2, characterized in that the end of the clamping plate (407) remote from the second slider (405) is provided with an elastic clamping member (410), the elastic clamping member (410) being conformable to the steel mesh (500).
5. The clamping mechanism of claim 4, wherein the elastic clamping member (410) comprises a mounting portion (4101), an elastic cavity portion (4102) connected to the mounting portion (4101), and a tapered expansion portion (4103) connected to the elastic cavity portion (4102), the elastic cavity portion (4102) having an axially disposed hollow channel.
6. The clamping mechanism according to claim 1, wherein the translation unit (300) comprises two opposite sliding plates (301), two first guide rods (302) arranged above the sliding plates (301), two first sliding blocks (303) in sliding connection with the first guide rods (302), two transverse supports (304) fixedly connected with the two first sliding blocks (303) in a distributed manner at two ends, a first driving source arranged on the transverse supports (304), and a linear transmission mechanism in transmission connection with the first driving source.
7. The clamping mechanism as claimed in claim 6, characterized in that the linear transmission mechanism comprises a gear (307) connected with the output end of the first driving source and a rack (308) in meshed engagement with the gear (307), wherein the rack (308) is horizontally fixed on the slide plate (301).
8. The clamping mechanism according to claim 1, wherein the clamping body (100) comprises a bottom plate (101), two oppositely arranged side plates (102) and a rear plate (103) connecting the two side plates (102), the bottom plate (101), the side plates (102) and the rear plate (103) enclosing the receiving space (104).
9. Clamping mechanism according to any of claims 1-8, comprising at least two sets of clamping assemblies (200) arranged one above the other, wherein the clamping assemblies (200) are used for clamping a steel mesh (500) for switching and a steel mesh (500) to be switched.
10. A web switching robot comprising a gripping mechanism according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323112419.XU CN221315459U (en) | 2023-11-17 | 2023-11-17 | Clamping mechanism and screen switching robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323112419.XU CN221315459U (en) | 2023-11-17 | 2023-11-17 | Clamping mechanism and screen switching robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221315459U true CN221315459U (en) | 2024-07-12 |
Family
ID=91783177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323112419.XU Active CN221315459U (en) | 2023-11-17 | 2023-11-17 | Clamping mechanism and screen switching robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221315459U (en) |
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2023
- 2023-11-17 CN CN202323112419.XU patent/CN221315459U/en active Active
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