CN219750845U - Chain mechanism and circuit board conveying device - Google Patents
Chain mechanism and circuit board conveying device Download PDFInfo
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- CN219750845U CN219750845U CN202320915451.2U CN202320915451U CN219750845U CN 219750845 U CN219750845 U CN 219750845U CN 202320915451 U CN202320915451 U CN 202320915451U CN 219750845 U CN219750845 U CN 219750845U
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- guide
- chain
- guide groove
- wheel
- circuit board
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of material conveying, and relates to a chain mechanism and a circuit board conveying device. The chain mechanism comprises a conveying track, a first guide groove is formed in the conveying track, and the first guide groove comprises a first side wall and a second side wall which are oppositely arranged; the rotating wheel is arranged on the conveying track and is close to the notch of the first guide groove; the chain is connected with the rotating wheel and passes through the first guide groove; the guide wheel and the guide piece are arranged between the notch of the first guide groove and the rotating wheel; the chain is arranged between the guide wheel and the guide piece, and the guide contact point of the guide wheel and the chain and the guide contact point of the guide piece and the chain are both positioned between the extension line of the first side wall and the extension line of the second side wall. According to the utility model, the guide wheel is matched with the guide piece to guide the chain to penetrate into the first guide groove, so that the chain is prevented from colliding with the notch wall of the first guide groove, and the service life of the chain is prolonged.
Description
Technical Field
The utility model relates to the technical field of material conveying, in particular to a chain mechanism and a circuit board conveying device.
Background
The chain mechanism can be applied to conveying various materials, in particular to conveying a circuit board. The chain of the chain mechanism carries the material to be conveyed, and the material is driven to move by driving the chain to realize conveying of the material.
In the related art, a chain of a chain mechanism penetrates into a corresponding guide groove, moves in the guide groove, and the guide groove guides the chain to move in a horizontal direction, so that materials are conveyed. However, when entering the entry slot of the guide groove, the chain is liable to collide with the entry slot wall, resulting in a reduction in the service life of the chain.
Disclosure of Invention
The embodiment of the utility model aims to provide a chain mechanism and a circuit board conveying device, which solve the technical problems that a chain in the existing chain mechanism is easy to collide with a notch entering wall of a guide groove and the service life is reduced.
In order to solve the technical problems, the embodiment of the utility model provides a chain mechanism, which adopts the following technical scheme:
the chain mechanism comprises a conveying track, wherein the conveying track is provided with a first guide groove, and the first guide groove comprises a first side wall and a second side wall which are oppositely arranged;
the rotating wheel is arranged on the conveying track and is close to the notch of the first guide groove;
the chain is connected with the rotating wheel and penetrates through the first guide groove;
the guide wheel and the guide piece are arranged between the notch of the first guide groove and the rotating wheel;
the chain is arranged between the guide wheel and the guide piece, and the guide contact point of the guide wheel and the chain and the guide contact point of the guide piece and the chain are both positioned between the extension line of the first side wall and the extension line of the second side wall.
In a preferred version of some embodiments, the chain includes a top link, a bottom link, and a joint shaft disposed between the top link and the bottom link, the guide and the guide wheel being both located between the top link and the bottom link and abutting the joint shaft.
In a preferred aspect of some embodiments, the guide member is a guide block, and the thickness of the guide block increases gradually in a direction approaching the entrance of the first guide groove.
In a preferred version of some embodiments, the guide is provided with a guide end face against which the chain abuts, the guide end face being parallel to the direction of guidance of the first guide groove.
In a preferred version of some embodiments, the guide member portion extends into the first guide slot arrangement.
In a preferred aspect of some embodiments, the chain mechanism further includes a mounting plate connected to the conveying track, at least one mounting structure is provided on the mounting plate, and the guide wheel is provided on one of the mounting structures.
In a preferred aspect of some embodiments, the number of the mounting structures is two, and the two mounting structures are arranged at intervals along the guiding direction perpendicular to the first guiding groove.
In a preferred version of some embodiments, the chain is provided with at least one support jaw for supporting a circuit board.
In a preferred embodiment of some embodiments, a second guide groove for guiding the supporting jaw is further provided on the conveying track, and the second guide groove is disposed along the guiding direction of the first guide groove.
In order to solve the technical problems, the embodiment of the utility model also provides a circuit board conveying device, which adopts the following technical scheme: the circuit board conveying device comprises two chain mechanisms, wherein the two chain mechanisms are arranged side by side and symmetrically, and a bearing space for bearing the circuit board is formed between the two chains of the two chain mechanisms.
Compared with the prior art, the chain mechanism and the circuit board conveying device provided by the embodiment of the utility model have the following main beneficial effects:
according to the utility model, the guide wheels and the guide piece are arranged between the notch of the first guide groove of the conveying track and the rotating wheel, the chain is arranged between the guide wheels and the guide piece, and the guide contact point of the guide wheels and the chain and the guide contact point of the guide piece and the chain are both positioned between the extension line of the first side wall and the extension line of the second side wall, so that the guide wheels and the guide piece are matched to guide the chain to penetrate into the first guide groove, the collision between the chain and the notch wall of the first guide groove is prevented, and the service life of the chain is prolonged.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic plan view of a chain mechanism in one embodiment of the utility model;
FIG. 2 is a schematic plan view of a portion of a chain mechanism in accordance with one embodiment of the present utility model;
FIG. 3 is a schematic plan view of the structure of FIG. 2 at another angle;
FIG. 4 is a schematic plan view of the structure of FIG. 2 at a further angle;
FIG. 5 is a schematic illustration of the guide and guide wheel of the present utility model in contact with a chain, respectively;
fig. 6 is a schematic plan view of a circuit board conveying device according to an embodiment of the present utility model.
The reference numerals in the drawings are as follows:
100. a chain mechanism; 10 、 A conveying rail; 11. a first guide groove; 111. a first sidewall; 112. a second sidewall; 12. a second guide groove; 20. a rotating wheel; 30. a chain; 31. a top chain sheet; 32.a lower chain sheet; 33. a connecting shaft; 40. a guide wheel; 50. a guide member; 60. supporting the clamping jaw; 70. a mounting plate; 71. and (3) a mounting structure.
a. A guide contact point of the guide member with the chain; b. the guide wheel is in guide contact with the chain.
Detailed Description
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 utility model belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present utility model, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientations or positions based on the drawings, which are merely for convenience of description and are not to be construed as limiting the present utility model.
The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
In the description of the utility model and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, the present utility model provides a preferred embodiment of a chain mechanism 100.
Referring to fig. 1 to 3 and 5, the chain mechanism 100 includes a conveying rail 10, a rotating wheel 20, a chain 30, a guide wheel 40, and a guide 50.
The conveying track 10 is provided with a first guide groove 11, the first guide groove 11 comprising a first side wall 111 and a second side wall 112 arranged opposite to each other.
The rotating wheel 20 is disposed on the conveying rail 10, and the rotating wheel 20 is disposed near the entrance of the first guide groove 11. The rotating wheel 20 may be rotated by an external driving means such as a motor.
The chain 30 is connected to the rotating wheel 20 and is disposed through the first guide groove 11. The rotating wheel 20 is driven by an external driving component to rotate, so that the chain 30 connected with the rotating wheel is driven to move in the first guide groove 11, and the first guide groove 11 plays a role in guiding the moving conveying route of the chain 30.
The guide wheel 40 and the guide piece 50 are both provided between the entrance of the first guide groove 11 and the rotating wheel 20.
The chain 30 is disposed between the guide wheel 40 and the guide 50, and the guide contact point b of the guide wheel 40 with the chain 30 and the guide contact point a of the guide 50 with the chain 30 are both located between the extension line of the first side wall 111 and the extension line of the second side wall 112.
According to the utility model, the guide wheel 40 and the guide piece 50 are arranged between the notch of the first guide groove 11 of the conveying track 10 and the rotating wheel 20, the chain 30 is arranged between the guide wheel 40 and the guide piece 50, and the guide contact point b of the guide wheel 40 and the chain 30 and the guide contact point a of the guide piece 50 and the chain 30 are both positioned between the extension line of the first side wall 111 and the extension line of the second side wall 112, so that the guide wheel 40 and the guide piece 50 cooperate to guide the chain 30 into the first guide groove 11, the collision between the chain 30 and the notch wall of the first guide groove 11 is prevented, the service life of the chain 30 is prolonged, only the size of the rotating wheel 20 is required to be changed, and the structure of the original conveying track 10 is not required to be changed.
The guiding contact point a of the guiding element 50 and the chain 30 is located between the extension line of the first side wall 111 and the extension line of the second side wall 112, i.e. the distance between the guiding contact point a of the guiding element 50 and the chain 30 and the extension line direction of the first side wall 111 is smaller than the distance between the chain 30 and the first side wall 111. The distance between the contact point of the guide wheel 40 with the chain 30 and the extension direction of the second side wall 112 is smaller than the distance between the chain 30 and the second side wall 112, so that the chain 30 enters the first guide groove 11 under the matching guiding action of the guide wheel 40 and the guide piece 50 and does not collide with the slot entrance wall of the first guide groove 11. A schematic view of the guide 50 and the guide wheel 40, respectively, in contact with the chain 30 for guiding is shown in fig. 5.
Wherein, before entering the notch of the first guide groove 11, the guide wheel 40 contacts with the chain 30 and rotates, the guide piece 50 contacts with the chain 30, and the guide wheel 40 cooperates with the guide piece 50 to guide the chain 30, so that the chain 30 is located between the first side wall 111 and the second side wall 112 of the first guide groove 11 before entering the notch of the first guide groove 11, and the chain 30 is prevented from colliding with the notch wall when entering the first guide groove 11.
In one embodiment, the chain 30 is provided with at least one support jaw 60 for supporting a circuit board. The user can place the circuit board on supporting jaw 60, and supporting jaw 60 can support the circuit board, and supporting jaw 60 removes under the removal drive of chain 30 to realize the transportation of circuit board from one end to the other end of delivery track 10.
Wherein the number of support jaws 60 may be one, two or more. When a supporting jaw 60 is provided, the supporting jaw 60 may be a large-area jaw, which may support a circuit board. When the plurality of supporting claws 60 are provided, the plurality of supporting claws 60 can be arranged at intervals along the length direction of the chain 30, and the plurality of supporting claws 60 can support the circuit board. The number of the plurality of supporting claws 60 can be selectively set according to the size of the circuit board area.
Further, the conveying rail 10 is further provided with a second guide groove 12 for guiding the supporting jaw 60, and the second guide groove 12 is provided along the guiding direction of the first guide groove 11. The second guide groove 12 can guide and limit the supporting clamping jaw 60 so as to enable the supporting and conveying of the supporting clamping jaw to be stable.
Referring to fig. 2 to 4, in one embodiment, the chain 30 includes an upper chain piece 31, a lower chain piece 32, and a joint shaft 33 provided between the upper chain piece 31 and the lower chain piece 32, and the guide 50 and the guide wheel 40 are both located between the upper chain piece 31 and the lower chain piece 32 and abut against the joint shaft 33.
By abutting the guide 50 and the guide wheel 40 against the connecting shaft 33 between the upper chain plate 31 and the lower chain plate 32, the chain 30 is not easy to separate from the guide wheel 40 and the guide 50, and a better stable guide effect is achieved.
Further, the guide member 50 is a guide block, the thickness of the guide block gradually increases along the direction close to the notch of the first guide groove 11, that is, the thickness of the guide block is smaller than the thickness of the guide block nearer to the first guide groove 11, so that the contact area between the guide block and the chain 30 gradually increases along the direction close to the notch of the first guide groove 11, and the guide block gradually enters a stable guide state.
Of course, in other embodiments, the thickness of the guide block may be uniform, and the guide function may be performed for the chain 30 penetrating into the first guide groove 11.
The thickness direction of the guide block is the distance direction between the upper groove wall and the lower groove wall of the first guide groove 11.
The guide 50 is provided with a guide end surface (not shown) abutting against the chain 30, the guide end surface being parallel to the guide direction of the first guide groove 11. By setting the guide end surface of the guide 50 to be parallel to the guide direction of the first guide groove 11, the moving direction of the side of the chain 30 contacting the guide 50 can be guided to coincide with the guide direction of the first guide groove 11, and the guide effect is better.
In other embodiments, the guiding end surface of the guiding element 50 may be set to have a suitable inclination angle, and after the chain 30 contacts with the guiding end surface of the guiding element 50, the chain is gradually inclined toward the guiding direction of the first guiding groove 11, and then the chain 30 moves under the guiding action of the first guiding groove 11 after entering the first guiding groove 11.
In one embodiment, the guide 50 is partially extended into the first guide groove 11, so that the guide 50 can gradually guide the chain 30 into the first guide groove 11, and the space between the inlet of the first guide groove 11 and the rotating wheel 20 is reduced due to the installation of the guide 50. When the guide 50 is installed, the guide 50 may be installed at the first sidewall 111 of the first guide groove 11 as shown in fig. 3 and 4.
In other embodiments, the guide member 50 may not extend into the first guide groove 11, and the guide member 50 may be disposed near the entrance of the first guide groove 11, and cooperate with the guide wheel 40 to guide the chain 30 into the first guide groove 11.
In one embodiment, referring to fig. 1 and 2, the chain mechanism 100 further includes a mounting plate 70 coupled to the conveyor track 10, at least one mounting structure 71 is provided on the mounting plate 70, and the guide wheel 40 is provided on one of the mounting structures 71. The guide wheel 40 is mounted on the conveying rail 10 by a mounting structure 71 on the mounting plate 70, and the mounting is convenient.
The number of mounting structures 71 may be one, two or more. When one mounting structure 71 is provided, the mounting structure 71 may be disposed at a position near the entrance of the first guide groove 11 such that the guide wheel 40 and the guide 50 on the mounting structure 71 guide the chain 30. When the plurality of mounting structures 71 are provided, the plurality of mounting structures 71 are arranged at intervals along the guiding direction perpendicular to the first guiding groove 11, and a user can mount the guiding wheel 40 on the mounting structure 71 at a proper position according to the size of the guiding wheel 40 or the arrangement position of the first guiding groove 11 into the notch.
Preferably, in the present embodiment, the number of the mounting structures 71 is two, and the two mounting structures 71 are arranged at intervals along the guiding direction perpendicular to the first guiding groove 11. The user can mount the guide wheel 40 on one of the mounting structures 71 according to the size of the guide wheel 40 or the arrangement position of the first guide groove 11 into the notch.
The utility model also provides a preferred embodiment of the circuit board conveying device.
Referring to fig. 1, 5 and 6, the circuit board conveying device includes two chain mechanisms 100 as described above, the two chain mechanisms 100 are arranged side by side and symmetrically, and a bearing space for bearing a circuit board is formed between two chains 30 of the two chain mechanisms 100.
According to the chain mechanism 100 of the circuit board conveying device, the guide wheel 40 and the guide piece 50 are arranged between the notch of the first guide groove 11 of the conveying track 10 and the rotating wheel 20, the chain 30 is arranged between the guide wheel 40 and the guide piece 50, and the guide contact point b of the guide wheel 40 and the chain 30 and the guide contact point a of the guide piece 50 and the chain 30 are both positioned between the extension line of the first side wall 111 and the extension line of the second side wall 112, so that the guide wheel 40 and the guide piece 50 are matched to guide the chain 30 into the first guide groove 11, collision between the chain 30 and the notch wall of the first guide groove 11 is prevented, the service life of the chain 30 is prolonged, and only the size of the rotating wheel 20 is required to be changed, and the structure of the original conveying track 10 is not required to be changed.
Wherein, the two chain mechanisms 100 are symmetrically arranged, the first guide grooves 11 on the conveying track 10 of the two chain mechanisms 100 are symmetrically arranged, the two guide wheels 40 of the two chain mechanisms 100 are correspondingly symmetrically arranged, and the two guide pieces 50 are symmetrically arranged.
When the circuit board conveying device is used for conveying the circuit board, the circuit board is placed in a bearing space between the two chains 30, the rotating wheel 20 is driven to rotate through the external driving part, the two chains 30 are driven to respectively move in opposite directions, and the circuit board is conveyed from one end of the conveying track 10 to the other end, so that the conveying of the circuit board is realized.
The circuit board conveying device can be applied to conveying of the circuit board among different stations or wave soldering equipment, the circuit board conveying device conveys the circuit board, the circuit board passes through soldering tin wave crests, soldering points of the circuit board are coated with soldering tin and are rapidly cooled, and therefore welding of components is completed.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.
Claims (10)
1. A chain mechanism, characterized in that the chain mechanism comprises:
a conveying track provided with a first guide groove, wherein the first guide groove comprises a first side wall and a second side wall which are oppositely arranged;
the rotating wheel is arranged on the conveying track and is close to the notch of the first guide groove;
the chain is connected with the rotating wheel and penetrates through the first guide groove;
the guide wheel and the guide piece are arranged between the notch of the first guide groove and the rotating wheel;
the chain is arranged between the guide wheel and the guide piece, and the guide contact point of the guide wheel and the chain and the guide contact point of the guide piece and the chain are both positioned between the extension line of the first side wall and the extension line of the second side wall.
2. The chain mechanism of claim 1, wherein the chain includes a top link, a bottom link, and a joint shaft disposed between the top link and the bottom link, the guide and the guide wheel being both located between the top link and the bottom link and abutting the joint shaft.
3. The chain mechanism as set forth in claim 2, wherein said guide is a guide block having a thickness that gradually increases in a direction approaching an entrance of said first guide slot.
4. A chain mechanism according to any one of claims 1 to 3, wherein the guide is provided with a guide end face abutting the chain, the guide end face being parallel to the guide direction of the first guide groove.
5. A chain mechanism according to any one of claims 1 to 3, wherein the guide element portion extends into the first guide slot arrangement.
6. A chain mechanism according to any one of claims 1 to 3, further comprising a mounting plate connected to the conveyor track, the mounting plate being provided with at least one mounting structure, the guide wheel being provided on one of the mounting structures.
7. The chain mechanism as set forth in claim 6, wherein the number of said mounting structures is two, and two of said mounting structures are disposed in spaced relation along a direction perpendicular to the direction of said first guide slot.
8. A chain mechanism according to any one of claims 1 to 3, wherein the chain is provided with at least one support jaw for supporting a circuit board.
9. The chain mechanism as set forth in claim 8, wherein a second guide groove for guiding the supporting jaw is further provided on the conveying rail, the second guide groove being provided along a guiding direction of the first guide groove.
10. A circuit board conveying device, characterized in that the circuit board conveying device comprises two chain mechanisms according to any one of claims 1 to 9, wherein the two chain mechanisms are arranged side by side and symmetrically, and a bearing space for bearing a circuit board is formed between the two chains of the two chain mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915451.2U CN219750845U (en) | 2023-04-19 | 2023-04-19 | Chain mechanism and circuit board conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915451.2U CN219750845U (en) | 2023-04-19 | 2023-04-19 | Chain mechanism and circuit board conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219750845U true CN219750845U (en) | 2023-09-26 |
Family
ID=88084377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915451.2U Active CN219750845U (en) | 2023-04-19 | 2023-04-19 | Chain mechanism and circuit board conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219750845U (en) |
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2023
- 2023-04-19 CN CN202320915451.2U patent/CN219750845U/en active Active
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