CN212288696U - Caterpillar track adjusting device - Google Patents
Caterpillar track adjusting device Download PDFInfo
- Publication number
- CN212288696U CN212288696U CN202020918777.7U CN202020918777U CN212288696U CN 212288696 U CN212288696 U CN 212288696U CN 202020918777 U CN202020918777 U CN 202020918777U CN 212288696 U CN212288696 U CN 212288696U
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- adjusting
- caterpillar track
- caterpillar
- translation seat
- guide rail
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Abstract
The utility model relates to a caterpillar track adjusting device, wherein caterpillar track self-adjusting mechanisms are respectively arranged on a left translation seat and a right translation seat, and each caterpillar track self-adjusting mechanism comprises a passive adjusting cylinder, a caterpillar track hanging plate and an adjusting guide rail; because the plastic sheet is at the in-process of being heated and carrying, its expanded position and range are not predictable, when the displacement volume of two translation seats reaches predetermined displacement volume, the plastic sheet probably only takes place thermal energy or both sides inflation inhomogeneous in one of them side, when the caterpillar track receives the inflation extrusion of plastic sheet this moment, outwards promote the caterpillar track hanger plate along adjusting the outside removal of guide rail, the passive regulation cylinder of extrusion for the width between two caterpillar tracks accords with the actual conditions of plastic sheet, and need not adjust the distance between whole left translation seat and the right translation seat through driving motor, thereby ensure that the transport of plastic sheet is steady and the thickness is even.
Description
Technical Field
The utility model relates to a plastic sheet former especially relates to a caterpillar track adjusting device.
Background
When plastic forming equipment such as a cup making machine, a plastic sucking machine and the like works, before conveying, two ends of a plastic sheet are respectively clamped on chains in two chain rails which are arranged side by side at the left and the right, the plastic sheet is conveyed forwards through the chains in the two chain rails, heated and softened by a heating device, and then formed at a forming device.
In order to realize automatic adjustment of the widths of the two caterpillar tracks in the conveying process, the applicant of the invention patent application with application number CN201911211021.7 (patent name: caterpillar track device capable of automatically adjusting the widths of the caterpillar tracks) filed on 12/2/2019 discloses a caterpillar track device capable of automatically adjusting the widths of the caterpillar tracks, which comprises a frame, the two caterpillar tracks, a front end width adjusting assembly, a rear end width adjusting assembly and at least one middle width adjusting assembly, and is characterized in that: the front end part width adjusting assembly, the rear end part width adjusting assembly and the middle width adjusting assembly respectively comprise a driving motor, an adjusting screw rod and two translation seats, the driving motor is installed on the rack, the adjusting screw rod is rotatably installed on the rack and is in transmission connection with an output shaft of the driving motor, the adjusting screw rod is provided with a left screw rod section and a right screw rod section with opposite thread turning directions, the two translation seats are respectively arranged on the two chain rails, a left screw hole meshed with the left screw rod section is formed in the translation seat on the left side, and a right screw hole meshed with the right screw rod section is formed in the translation seat on the right side; the caterpillar track device further comprises a controller and a plurality of encoders, the encoders are in the same number with the adjusting screw rods and are in one-to-one correspondence with the adjusting screw rods, the encoders are fixedly mounted on the end portions of the corresponding adjusting screw rods respectively, the encoders are electrically connected with corresponding input ends of the controller respectively, and the driving motors are electrically connected with corresponding output ends of the controller respectively.
The invention aims to solve the technical problem that the width of two caterpillar tracks is adjusted in the process of heating and conveying plastic sheets, so that the plastic sheets are gradually stretched outwards and leveled by the chains on the caterpillar tracks in the process of heating and conveying, the plastic sheets are kept in a tensioning state in the process of heating, and meanwhile, the actual displacement of the corresponding parts of the two caterpillar tracks is detected in real time through an encoder, so that the accurate automatic adjustment of the width of the two caterpillar tracks is realized. For a single width adjusting assembly, the displacement of two translation seats achieved by rotating the output shaft of the motor for a certain number of turns needs to be compared with the displacement preset in the controller, and then corresponding fine adjustment is performed. However, since the position and the amplitude of the expansion of the plastic sheet during the thermal transportation of the plastic sheet are not predictable, when the displacement of the two translation seats reaches the preset displacement, the plastic sheet may thermally expand only on one side or expand unevenly on both sides, and the motor cannot adjust the distance between the two caterpillar tracks according to the actual expansion condition of the plastic sheet.
Disclosure of Invention
The utility model aims to solve the problem that a caterpillar track adjusting device is provided, this kind of caterpillar track adjusting device can adjust the distance between two caterpillar tracks according to plastic sheet's actual inflation range, ensures that plastic sheet's transport is steady and the thickness is even. The technical scheme is as follows:
a caterpillar track adjusting device comprises a rack, a driving motor, an adjusting screw rod, a left translation seat and a right translation seat, wherein the driving motor is arranged on the rack; the adjusting screw is provided with a left thread section and a right thread section with opposite thread turning directions, the left translation seat is provided with a left screw hole, the left screw hole is meshed with the left thread section, the right translation seat is provided with a right screw hole, and the right screw hole is meshed with the right thread section; the method is characterized in that: the left translation seat and the right translation seat are respectively provided with a caterpillar track self-adjusting mechanism, and the caterpillar track self-adjusting mechanism comprises a passive adjusting cylinder, a caterpillar track hanging plate and an adjusting guide rail; the two passive adjusting cylinders are oppositely and horizontally arranged, the adjusting guide rail is horizontally arranged, the length direction of the adjusting guide rail is consistent with the length direction of the adjusting screw, the caterpillar track hanging plate can be installed on the adjusting guide rail in a left-right moving mode and is connected with a piston rod of the passive adjusting cylinder, the lower end of the caterpillar track hanging plate is provided with a caterpillar track thermal expansion compensation seat, and the caterpillar track is installed on the inner side of the caterpillar track thermal expansion compensation seat.
The inner and outer orientations described in this specification are based on the middle of the adjusting screw, and the middle near the adjusting screw is regarded as the inner side, and the middle far from the adjusting screw is regarded as the outer side.
The caterpillar track thermal expansion compensation is used for installing the caterpillar track, and the caterpillar track is correspondingly installed on the inner side of the caterpillar track thermal expansion compensation seat. When the caterpillar tracks are pre-adjusted, the driving motor drives the adjusting screw to rotate, and the left translation seat and the right translation seat simultaneously move in opposite directions or simultaneously move back to back through the engagement of the two adjusting nuts with the left thread section and the right thread section respectively, so that the width of the two caterpillar tracks can be adjusted.
Since the position and the amplitude of the expansion of the plastic sheet are not predictable during the heated conveying process, when the displacement of the two translation seats reaches the preset displacement, the plastic sheet may thermally expand only on one side or expand unevenly on two sides. At this moment, the caterpillar track receives the inflation extrusion of plastic sheet, outwards promotes the caterpillar track hanger plate and outwards removes along adjusting the guide rail, extrudees passively adjusting the cylinder for the width between two caterpillar tracks accords with the actual conditions of plastic sheet, and need not adjust the distance between whole left translation seat and the right translation seat through driving motor.
As a preferred scheme of the utility model, the left translation seat and the right translation seat both comprise adjusting nuts, and the screw holes of the two adjusting nuts are respectively used as the left screw hole and the right screw hole; the caterpillar track self-adjusting mechanism further comprises an inner supporting plate and an outer supporting plate, the inner supporting plate and the outer supporting plate are respectively vertically arranged, and the upper ends of the inner supporting plate and the outer supporting plate are respectively and correspondingly connected with the inner end and the outer end of the corresponding adjusting nut; the inner end and the outer end of the adjusting guide rail are respectively connected with the inner supporting plate and the outer supporting plate; the cylinder body of the passive adjusting cylinder is arranged on the outer side surface of the outer support plate, and the piston rod of the passive adjusting cylinder extends into the inner side of the outer support plate.
As a further preferred aspect of the present invention, the caterpillar hanger plate is sleeved on the adjusting guide rail through a linear bearing. The linear bearing is used for sliding fit between the caterpillar track hanging plate and the adjusting guide rail, and stability of the caterpillar track hanging plate is improved.
As a further preferable aspect of the present invention, the number of the adjusting guide rails is three, and two of the adjusting guide rails are respectively located at both sides of the lower portion of the other adjusting guide rail. The three adjusting guide rails are arranged in a triangular shape, so that the caterpillar track hanging plate is more stable in the moving process.
Compared with the prior art, the utility model, have following advantage:
the caterpillar track adjusting device of the utility model is provided with caterpillar track self-adjusting mechanisms on the left and right translation seats respectively, and the caterpillar track self-adjusting mechanisms comprise passive adjusting cylinders, caterpillar track hanging plates and adjusting guide rails; because the plastic sheet is at the in-process of being heated and carrying, its expanded position and range are not predictable, when the displacement volume of two translation seats reaches predetermined displacement volume, the plastic sheet probably only takes place thermal energy or both sides inflation inhomogeneous in one of them side, when the caterpillar track receives the inflation extrusion of plastic sheet this moment, outwards promote the caterpillar track hanger plate along adjusting the outside removal of guide rail, the passive regulation cylinder of extrusion for the width between two caterpillar tracks accords with the actual conditions of plastic sheet, and need not adjust the distance between whole left translation seat and the right translation seat through driving motor, thereby ensure that the transport of plastic sheet is steady and the thickness is even.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a cross-sectional view taken along a-a of fig. 2.
Detailed Description
The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 3, a caterpillar track adjusting device comprises a frame 1, a driving motor 2, an adjusting screw 3, a left translation seat 4 and a right translation seat 5; the driving motor 2 is arranged on the frame 1, and the adjusting screw 3 is rotatably arranged on the frame 1 and is in transmission connection with an output shaft of the driving motor 2; the adjusting screw 3 is provided with a left thread section 301 and a right thread section 302 with opposite thread turning directions, the left translation seat 4 and the right translation seat 5 both comprise adjusting nuts 6, screw holes of the two adjusting nuts 6 are respectively used as a left screw hole (not marked in the figure) and a right screw hole (not marked in the figure), the left screw hole is meshed with the left thread section 301, the right translation seat 5 is provided with a right screw hole, and the right screw hole is meshed with the right thread section 302; the left translation seat 4 and the right translation seat 5 are both provided with a caterpillar self-adjusting mechanism 7, and the caterpillar self-adjusting mechanism 7 comprises an inner supporting plate 701, an outer supporting plate 702, a passive adjusting cylinder 703, a caterpillar hanging plate 704 and three adjusting guide rails 705; the inner support plate 701 and the outer support plate 702 are respectively vertically arranged, and the upper ends of the inner support plate 701 and the outer support plate 702 are respectively and correspondingly connected with the inner end and the outer end of the corresponding adjusting nut 6; the adjusting guide rail 705 is horizontally arranged, the length direction of the adjusting guide rail 705 is consistent with that of the adjusting screw rod 3, the inner end and the outer end of the adjusting guide rail 705 are respectively connected with the inner supporting plate 701 and the outer supporting plate 702, and the two adjusting guide rails 705 are respectively positioned at two sides below the other adjusting guide rail 705; the two passive adjusting cylinders 703 are oppositely and horizontally arranged, the cylinder bodies of the passive adjusting cylinders 703 are installed on the outer side surfaces of the corresponding outer supporting plates 702, and the piston rods of the passive adjusting cylinders 703 extend into the inner sides of the outer supporting plates 702; the caterpillar track hanging plate 704 is sleeved on the three adjusting guide rails 705 through three linear bearings 7051 and can move left and right along the adjusting guide rails 705, and the outer side surface of the caterpillar track hanging plate 704 is connected with a piston rod of the corresponding passive adjusting cylinder 703; the lower end of the caterpillar hanging plate 704 is provided with a caterpillar thermal expansion compensation seat 706, and the caterpillar 8 is arranged on the inner side of the caterpillar thermal expansion compensation seat 706.
When the caterpillar tracks 8 are pre-adjusted, the driving motor 2 drives the adjusting screw rod 3 to rotate, and the left translation seat 4 and the right translation seat 5 simultaneously move in the opposite direction or the opposite direction through the engagement of the two adjusting nuts 6 with the left thread section 301 and the right thread section 302 respectively, so that the width of the two caterpillar tracks 8 can be adjusted. When carrying out the heated transportation of plastic sheet, when plastic sheet takes place thermal expansion in a certain position of a certain side, caterpillar 8 can receive the inflation extrusion of crushed aggregates sheet, outwards promotes caterpillar hanger plate 704 and outwards moves along adjusting guide rail 705, extrudees passive adjusting cylinder 703 for the width between two caterpillar 8 accords with the actual conditions of plastic sheet, and need not adjust the distance between whole left translation seat 4 and the right translation seat 5 through driving motor 2.
In addition, the linear bearing 7051 is used for sliding fit between the caterpillar hanging plate 704 and the adjusting guide rail 705, so that the stability of the caterpillar hanging plate 704 is improved. And the three adjusting guide rails 705 are arranged in a triangular shape, so that the caterpillar track hanging plate 704 is more stable in the moving process.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. A caterpillar track adjusting device comprises a rack, a driving motor, an adjusting screw rod, a left translation seat and a right translation seat, wherein the driving motor is arranged on the rack; the adjusting screw is provided with a left thread section and a right thread section with opposite thread turning directions, the left translation seat is provided with a left screw hole, the left screw hole is meshed with the left thread section, the right translation seat is provided with a right screw hole, and the right screw hole is meshed with the right thread section; the method is characterized in that: the left translation seat and the right translation seat are respectively provided with a caterpillar track self-adjusting mechanism, and the caterpillar track self-adjusting mechanism comprises a passive adjusting cylinder, a caterpillar track hanging plate and an adjusting guide rail; the two passive adjusting cylinders are oppositely and horizontally arranged, the adjusting guide rail is horizontally arranged, the length direction of the adjusting guide rail is consistent with the length direction of the adjusting screw, the caterpillar track hanging plate can be installed on the adjusting guide rail in a left-right moving mode and is connected with a piston rod of the passive adjusting cylinder, the lower end of the caterpillar track hanging plate is provided with a caterpillar track thermal expansion compensation seat, and the caterpillar track is installed on the inner side of the caterpillar track thermal expansion compensation seat.
2. The track adjustment device of claim 1, wherein: the left translation seat and the right translation seat respectively comprise adjusting nuts, and screw holes of the two adjusting nuts are respectively used as the left screw hole and the right screw hole; the caterpillar track self-adjusting mechanism further comprises an inner supporting plate and an outer supporting plate, the inner supporting plate and the outer supporting plate are respectively vertically arranged, and the upper ends of the inner supporting plate and the outer supporting plate are respectively and correspondingly connected with the inner end and the outer end of the corresponding adjusting nut; the inner end and the outer end of the adjusting guide rail are respectively connected with the inner supporting plate and the outer supporting plate; the cylinder body of the passive adjusting cylinder is arranged on the outer side surface of the outer support plate, and the piston rod of the passive adjusting cylinder extends into the inner side of the outer support plate.
3. A caterpillar adjustment device according to claim 2, wherein: the caterpillar track hanging plate is sleeved on the adjusting guide rail through a linear bearing.
4. A caterpillar adjustment device according to claim 3, wherein: the number of the adjusting guide rails is three, wherein two adjusting guide rails are respectively positioned at two sides below the other adjusting guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020918777.7U CN212288696U (en) | 2020-05-27 | 2020-05-27 | Caterpillar track adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020918777.7U CN212288696U (en) | 2020-05-27 | 2020-05-27 | Caterpillar track adjusting device |
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| Publication Number | Publication Date |
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| CN212288696U true CN212288696U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020918777.7U Active CN212288696U (en) | 2020-05-27 | 2020-05-27 | Caterpillar track adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003460A (en) * | 2021-03-12 | 2021-06-22 | 上海外高桥造船有限公司 | Marine watertight door hoist and mount frock |
-
2020
- 2020-05-27 CN CN202020918777.7U patent/CN212288696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003460A (en) * | 2021-03-12 | 2021-06-22 | 上海外高桥造船有限公司 | Marine watertight door hoist and mount frock |
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