CN215034797U - Positioning device for annular guide rail - Google Patents
Positioning device for annular guide rail Download PDFInfo
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- CN215034797U CN215034797U CN202120293101.8U CN202120293101U CN215034797U CN 215034797 U CN215034797 U CN 215034797U CN 202120293101 U CN202120293101 U CN 202120293101U CN 215034797 U CN215034797 U CN 215034797U
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Abstract
The utility model relates to the technical field of production lines, in particular to a positioning device of an annular guide rail, wherein a secondary positioning part comprises a positioning pin and a positioning fixture block mechanism, the side surface of a trolley plate is provided with the positioning pin, and the working position is provided with the positioning fixture block mechanism corresponding to the positioning pin; the trolley plate positioning component comprises a convex block and a hasp structure, the bottom of the trolley plate is provided with the convex block, the conveyer belt of the annular guide rail is provided with the hasp structure, and the convex block is in clearance fit with the hasp structure. The utility model discloses a loop type guide rail realizes the first location to the dolly board to realize the second location to the dolly board through secondary positioning element, simultaneously through setting up of dolly board positioning element make the dolly board with the loop type guide rail between can produce relative motion secondary positioning element can effectively realize right the secondary location of dolly board, simultaneously, still through the cooperation of elastic connection spare and location guide, realize the plane degree adjustment to the backup pad.
Description
Technical Field
The utility model relates to a production line technical field is a positioner of annular guide rail particularly.
Background
Although an automatic production line formed by taking the divider as a core can meet the requirements on production rhythm, the area of the whole equipment is large, the space resources of a workshop are wasted, the layout of each station in the automatic production line formed by the divider is compact, the whole body needs to be assembled and disassembled during part replacement and later maintenance, and the condition of pulling and moving the whole body is difficult to allow during machine production. Therefore, recently, in industrial production, a scheme of adopting a ring-shaped guide rail as a production line for product transportation is generated, which can save space, can link each station and can meet the requirement of quick assembly and disassembly.
The circular guide rail is a closed circular guide rail consisting of a linear guide rail and a circular arc guide rail, power transmission is carried out through a synchronous conveying belt, the precision of a circular guide rail line is important, but the repeated positioning precision of the conventional circular guide rail is only 0.1MM, and the circular guide rail can only be used for occasions with low requirements on product assembly. In the process of applying the ring-shaped guide rail to a welding production line, the feeding success rate is low frequently, the phenomenon that products cannot be pressed by welding stations is caused, so that the products are partially welded and rosin-welded, the reason is that the repeated positioning precision of 0.1MM is too low, the flatness of a welding cover plate is poor, the product yield is low, the production requirement cannot be met, and the positioning device of the ring-shaped guide rail is required to be specially designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art's not enough, provide a positioner of loop type guide rail, carry out effectual location to the dolly board on the loop type guide rail in the use of loop type guide rail.
In order to achieve the purpose, the positioning device for the annular guide rail comprises the annular guide rail, a trolley plate, a secondary positioning part and a trolley plate positioning part, wherein the secondary positioning part comprises a positioning pin and a positioning fixture block mechanism, the side surface of the trolley plate is provided with the positioning pin, and the working position of the positioning pin corresponding to the positioning pin is provided with the positioning fixture block mechanism; the trolley plate positioning component comprises a convex block and a hasp structure, the bottom of the trolley plate is provided with the convex block, the conveying belt of the annular guide rail is provided with the hasp structure, and the convex block is in clearance fit with the hasp structure.
The utility model discloses still have following preferred technical scheme:
the positioning fixture block mechanism comprises a positioning fixture block and a positioning fixture block driving structure, wherein a fixture block groove matched with the positioning fixture block is formed in the positioning fixture block, and the positioning fixture block driving structure can drive the positioning fixture block to move so that the fixture block groove is matched with the positioning pin.
The hasp structure is provided with matching wall surfaces which are positioned on the front side and the rear side of the lug, and the matching wall surfaces are in clearance fit with the lug.
The fit clearance between the fit wall surface and the lug is 0.04 mm.
The positioning device of the annular guide rail also comprises a support plate and an elastic connecting piece, wherein the elastic connecting piece is arranged between the trolley plate and the support plate, so that the support plate can generate vertical displacement relative to the trolley plate.
And a positioning guide piece is further arranged between the support plate and the trolley plate, the lower end of the positioning guide piece is fixed with the trolley plate, and the upper end of the positioning guide piece is movably matched with the support plate.
The positioning guide piece comprises a positioning section positioned at one end, and a small-diameter releasing section and a tail section which are sequentially connected with the positioning section, wherein the outer diameters of the positioning section and the tail section are larger than that of the small-diameter releasing section.
The supporting plate is internally provided with a pore channel, and a guide sleeve is arranged in the pore channel to be matched with the positioning guide piece.
The inner diameter of the guide sleeve is matched with the outer diameter of the small-diameter release section.
The positioning device of the annular guide rail further comprises a welding fixture, the welding fixture is arranged on the supporting plate, and pushing block mechanisms are respectively arranged on the supporting plate corresponding to the oblique diagonal positions of the welding fixture so as to fix the welding fixture.
Beneficial effects of the utility model
The utility model provides an advantage of positioner of annular guide rail includes but not limited to: the utility model discloses a loop type guide rail realizes the first location to the dolly board to realize the second location to the dolly board through secondary positioning element, simultaneously through setting up of dolly board positioning element make the dolly board with loop type guide rail between can produce relative motion secondary positioning element can effectively realize right the secondary location of dolly board, realized the smart location of dolly board, simultaneously, still through the cooperation of elastic connection spare and location guide, realize the plane degree adjustment to the backup pad, improved the success rate of material loading and guaranteed the plane degree in welding station department welding jig.
Drawings
Fig. 1 illustrates a schematic view of the support plate and the trolley plate according to the present invention.
Fig. 2 shows a schematic structural view of the positioning guide according to the present invention.
Fig. 3 exemplarily shows a positioning schematic diagram of the welding jig in the present invention.
Fig. 4 is a schematic view illustrating a welding cover plate pressed on the welding jig.
Fig. 5 exemplarily shows the B-direction diagram of fig. 4.
Fig. 6 illustrates a schematic view of a ring-type guide rail.
Fig. 7 shows an exemplary matching schematic diagram of the trolley plate and the ring-type guide rail.
Fig. 8 schematically shows the use of the secondary positioning element 1.
Fig. 9 schematically illustrates the use of the secondary positioning member in fig. 2.
In the figure: 1. the product 2, the welding fixture 3, the support plate 4, the trolley plate 5, the elastic connecting piece 6, the positioning guide piece 61, the positioning section 62, the small diameter release section 63, the tail section 7, the push block mechanism 71, the push block matching groove 8, the cover plate driving mechanism 9, the linear guide rail 10, the welding cover plate 11, the hasp structure 12, the conveying belt 13, the positioning pin 14, the block groove 15, the positioning fixture block 16, the positioning fixture block driving structure 17 and the positioning pin.
Detailed Description
This embodiment provides a positioner of annular guide rail, mainly includes dolly board 4, backup pad 3, elastic connection spare 5, location guide 6, secondary positioning part and dolly board 4 positioning part annular guide rail on the interval be provided with a plurality of dolly board 4, dolly board 4 on connect through elastic connection spare 5 backup pad 3, just dolly board 4 with backup pad 3 between still be equipped with location guide 6, backup pad 3 on be used for setting up welding jig 2, welding jig 2 be used for fixing a position product 1. Hereinafter, the main components will be described by way of example with reference to the accompanying drawings.
Referring to fig. 1, in one embodiment, rectangular springs are vertically disposed between the carriage plate 4 and the support plate 3 in a left-right symmetrical manner to serve as the elastic connectors 5, so that the support plate 3 can be vertically displaced with respect to the carriage plate 4. And a plurality of positioning guide parts 6 are arranged on the inner side of the elastic connecting part 5 in a bilateral symmetry manner along the vertical direction, the lower ends of the positioning guide parts 6 are fixed with the trolley plate 4, and the upper ends of the positioning guide parts 6 are movably matched with the supporting plate 3.
Referring to fig. 2, the positioning guide 6 includes a positioning section 61 at one end, and a small-diameter releasing section 62 and a tail section 63 sequentially connected to the positioning section 61, and the outer diameters of the positioning section 61 and the tail section 63 are larger than the outer diameter of the small-diameter releasing section 62. A hole is arranged in the supporting plate 3 and is used for matching with the positioning guide piece 6, and a guide sleeve is further preferably arranged in the hole and is matched with the positioning guide piece 6. Thus, by the arrangement of the positioning guide 6, the positioning accuracy between the dolly plate 4 and the support plate 3 can be ensured. Preferably, the inner diameter of the guide sleeve is adapted to the outer diameter of the small-diameter release section 62, and the positioning section 61 and the guide sleeve are in interference fit, so that the support plate 3 can be prevented from being released from the positioning guide 6 on the cart plate 4.
Referring to fig. 4 and 5, when the circular guide rail drives the trolley plate 4 to move to the position of the welding station, the welding cover plate 10 of the welding device is pressed downward, so as to drive the support plate 3 to move downward relative to the trolley plate 4 and approach the trolley plate 4, the positioning section 61 and the small-diameter release section 62 of the positioning guide 6 move upward relative to the support plate 3, and the positioning section 61 extends upward to the outer side of the upper end of the pore passage, so that the positioning of the welding fixture 2 during welding and pressing is realized through the arrangement of the positioning guide 6, that is, the effective positioning of the support plate 3 is realized, so that the support plate 3 and the welding fixture 2 can be kept in a horizontal position under the action of the welding cover plate 10, and the horizontal positioning accuracy of the welding operation is increased.
The welding fixture 2 is disposed on the supporting plate 3, and as shown in fig. 3, in a preferred embodiment, the supporting plate 3 is provided with a pushing block mechanism 7 corresponding to the diagonal positions of the welding fixture 2, the pushing block mechanism 7 includes a pushing block and a pushing block driving structure, the pushing blocks on both sides can move towards the welding fixture 2 under the driving of the pushing block driving structure to apply a clamping force, so as to achieve the positioning and fixing of the welding fixture 2, further preferably, the welding fixture 2 is further provided with a pushing block fitting groove 71 corresponding to the pushing block, and the pushing block is just inserted into the pushing block fitting groove 71 when the pushing block moves in place.
In a preferred embodiment, as shown in fig. 5, the welding jig 2 is provided with a positioning hole, the welding cover plate 10 is correspondingly provided with a positioning pin 17, and when the welding cover plate 10 is driven by the cover plate driving mechanism 8 to be pressed down, the positioning pin 17 can be matched with the positioning hole, so that the positioning accuracy of the welding cover plate 10 and the welding jig 2 is ensured, and the accuracy of the welding operation is further ensured. Preferably, the welded cover plate 10 also cooperates with the linear guide 9, so as to guarantee precision in the movement.
The secondary positioning component comprises a positioning pin 13 and a positioning fixture block mechanism, the positioning pin 13 is arranged on the side surface of the trolley plate 4, the positioning fixture block mechanism is arranged at the working position corresponding to the positioning pin 13, the positioning fixture block mechanism comprises a positioning fixture block 15 and a positioning fixture block driving structure 16, a fixture block groove 14 matched with the positioning fixture block 15 is formed in the positioning fixture block 15, the positioning fixture block driving structure 16 can drive the positioning fixture block 15 to move so that the fixture block groove 14 is matched with the positioning pin 13, and secondary positioning of the trolley plate 4 can be achieved through matching of the positioning fixture block 15 and the positioning fixture block 13.
The positioning component of the trolley plate 4 comprises a convex block and a hasp structure 11, the bottom of the trolley plate 4 is provided with the convex block, the conveyer belt 12 of the annular guide rail is provided with the hasp structure 11, the convex block is matched in the hasp structure 11, and the convex block is in clearance fit with the hasp structure 11. As shown in fig. 6 and 7, the buckle structure 11 is provided with a fitting wall surface located on the front side and the rear side of the projection, and a positioning wall surface located on the side far away from the small car plate 4, the front side and the rear side are along the moving direction of the annular guide rail, the fitting wall surface and the projection are in clearance fit, preferably, through experimental verification, the unilateral fitting clearance is 0.04mm, the too small clearance will cause the breakage of the conveyor belt 12, and the too large clearance may cause the secondary positioning cylinder as the positioning fixture block driving structure 16 to extend out of the small car plate 4 and twist.
Referring to fig. 8 and 9, in a positioning process, the circular guide rail is driven by the servo pulse-sending driving motor to move, and the trolley board 4 is moved to the working position, at this time, because the trolley board 4 and the circular guide rail are connected by the matching of the convex block and the hasp structure 11, the connection between the trolley board 4 and the conveyor belt 12 of the circular guide rail is elastic and gapped, so the trolley board 4 can slightly move back and forth along the circular guide rail, which means that the conveyor belt 12 of the circular guide rail is not moved when the trolley board 4 slightly moves. If the positioning device is rigidly connected, the secondary positioning can cause the movement of the conveyer belt 12 and the motor shaft, and the servo motor alarm is caused. Then, the positioning block driving structure 16 can drive the positioning block 15 to move so as to enable the block groove 14 to be matched with the positioning pin 13, and the secondary positioning of the trolley plate 4 can be realized through the matching of the positioning block groove and the positioning pin 13, so that the repeatable positioning precision of +/-0.1 MM is realized.
The above, only for the concrete implementation of this utility model, but the scope of protection of this utility model is not limited to this, and any person skilled in this technical field is in the technical scope of this utility model discloses, according to the technical scheme of this utility model and novel design add in equal replacement or change, all should be covered in the scope of protection of this utility model.
Claims (10)
1. A positioning device of a ring-shaped guide rail comprises the ring-shaped guide rail and a trolley plate, and is characterized by also comprising a secondary positioning part and a trolley plate positioning part, wherein,
the secondary positioning component comprises a positioning pin and a positioning fixture block mechanism, the side surface of the trolley plate is provided with the positioning pin, and the working position of the positioning pin corresponding to the positioning pin is provided with the positioning fixture block mechanism;
the trolley plate positioning component comprises a convex block and a hasp structure, the bottom of the trolley plate is provided with the convex block, the conveying belt of the annular guide rail is provided with the hasp structure, and the convex block is in clearance fit with the hasp structure.
2. The apparatus as claimed in claim 1, wherein the fixture mechanism comprises a fixture and a fixture driving structure, the fixture is provided with a fixture groove corresponding to the fixture, and the fixture driving structure can drive the fixture to move so that the fixture groove is engaged with the positioning pin.
3. The positioning device for a loop-type guide rail according to claim 1, wherein the hook and loop structure has engaging walls on front and rear sides of the protrusion, and the engaging walls are in clearance fit with the protrusion.
4. A ring-type rail positioning device according to claim 3, wherein the fitting clearance between the fitting wall surface and the projection is 0.04 mm.
5. The ring rail positioning device according to any one of claims 1 to 4, further comprising a support plate and an elastic connector, wherein the elastic connector is provided between the dolly plate and the support plate to allow the support plate to be vertically displaced with respect to the dolly plate.
6. The ring-type rail positioning device as claimed in claim 5, wherein a positioning guide is further provided between the support plate and the carriage plate, a lower end of the positioning guide is fixed to the carriage plate, and an upper end of the positioning guide is movably engaged with the support plate.
7. The ring-type rail positioning device of claim 6, wherein the positioning guide member includes a positioning section at one end, and a small-diameter releasing section and a tail section which are sequentially engaged with the positioning section, and the outer diameters of the positioning section and the tail section are larger than the outer diameter of the small-diameter releasing section.
8. The device for positioning a ring-type guide rail according to claim 7, wherein a hole is formed in the supporting plate, and a guide sleeve is provided in the hole to be engaged with the positioning guide.
9. The ring guide positioning device of claim 8, wherein the inner diameter of the guide sleeve is adapted to the outer diameter of the small diameter release section.
10. The ring rail positioning device of claim 5, further comprising a welding jig, wherein the welding jig is disposed on the supporting plate, and pushing block mechanisms are respectively disposed on the supporting plate at diagonal positions corresponding to the welding jig to fix the welding jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293101.8U CN215034797U (en) | 2021-02-02 | 2021-02-02 | Positioning device for annular guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293101.8U CN215034797U (en) | 2021-02-02 | 2021-02-02 | Positioning device for annular guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215034797U true CN215034797U (en) | 2021-12-07 |
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ID=79257492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120293101.8U Active CN215034797U (en) | 2021-02-02 | 2021-02-02 | Positioning device for annular guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215034797U (en) |
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2021
- 2021-02-02 CN CN202120293101.8U patent/CN215034797U/en active Active
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