Tire centering and marking device and cutting machine

Abstract

The utility model discloses a tire centering and marking device and a cutting machine, and belongs to the technical field of tire production. The tire centering and scribing device comprises a sleeve fixed on a connecting rod of a cutting machine frame body, and the front end of the sleeve is located above a tire to be scribed; one end of the lineation device is a lineation end, the other end of the lineation device is a connecting end, the lineation end is located at the center above the tire to be lineated, and the connecting end is rotationally connected with the sleeve so as to adjust the distance between the lineation end and the tire to be lineated in the vertical direction; the tensioning device is located on the side face of the sleeve and used for fixing the scribing device so that the scribing end can be fixed. The marking device is arranged on the cutting machine, when a tire body passes through the cutting machine, the center of a tire is carved and marked, when the subsequent tire passes through a forming drum, whether the marked line coincides with the center of the forming drum and a centering cursor of the forming drum or not is observed, if not, the position of the tire needs to be adjusted in time, and the tire is prevented from deviating during machining.

Description

Technical Field

[0001] The utility model belongs to the technical field of tire production, and in particular relates to a tire centering and marking device and a cutting machine. Background Art

[0002] The tire carcass is the main skeleton material of the tire and is the main pressure-bearing and supporting component of the tire. During the tire carcass production process, it needs to pass through the cutting machine and the forming drum in sequence through the conveyor belt. When the tire carcass is formed by the forming drum, the center line of the tire carcass needs to be located at the center of the forming drum and on the centering cursor of the forming drum. Since the conveyor belt is composed of multiple nylon conveyor belts, the tightness of the conveyor belt will affect the centering effect of the tire carcass, causing the center line of the tire to deviate from the center of the forming drum or the centering cursor, resulting in misalignment during tire carcass application, or the center line of the tire carcass is a pseudo-center line, and the application is skewed during lamination, affecting the dynamic balance of the finished tire.

[0003] In the prior art, there is a photoelectric deviation correction device that can solve the above problem, but the device is expensive and has high production costs. Utility Model Content

[0004] Details of one or more embodiments of the present invention are set forth in the following drawings and description to make other features, objects, and advantages of the present application more readily apparent.

[0005] The utility model provides a tire centering and marking device, comprising:

[0006] A sleeve is fixed on the connecting rod of the cutting machine frame, and the front end of the sleeve is located above the tire to be marked;

[0007] A marking device, one end of which is a marking end and the other end is a connecting end, wherein the marking end is located at the center above the tire to be marked, and the connecting end is rotatably connected to the sleeve to adjust the vertical distance between the marking end and the tire to be marked;

[0008] The tensioning device is located on the side of the sleeve and is used to fix the marking device so that the marking end is fixed.

[0009] In other implementations, the scribing end is a tool head, and the connecting end is a tool handle.

[0010] In other implementations, a bending portion is provided at the front end of the blade head, and the bending angle is 120°-150°.

[0011] In other implementations, the scribing end is a metal wheel, the connecting end is a rod, and the metal wheel is rotatably connected to the rod.

[0012] In other implementations, the tensioning device is a left and right adjusting nut, an adjusting hole is provided on the side of the sleeve corresponding to the connecting end, and the adjusting nut is fixed in the adjusting hole.

[0013] A cutting machine, comprising any one of the above tire centering and marking devices, the cutting machine also comprising:

[0014] Frame;

[0015] The roller mechanism comprises a plurality of parallel rows of roller groups, each roller group comprises a plurality of rollers, and the plurality of rollers rotate to drive the tire to be scribed to be conveyed forward;

[0016] A plurality of lead screws are fixed on the frame, wherein the lead screws are parallel to the roller assembly, and the centers of the lead screws are perpendicular to the center line of the roller mechanism;

[0017] Width adjustment devices, located at both ends of the lead screw, for clamping the tire to be marked;

[0018] When marking, the tire is located on the roller mechanism, the center line of the tire is aligned with the center of the screw, the width adjustment device is adjusted to fix the tire, the roller mechanism is started to transport the tire forward, and when the tire reaches above the centering marking device, the center of the tire is marked.

[0019] In other embodiments, some of the lead screws have different diameters.

[0020] In other embodiments, a plurality of annular grooves are provided on a plurality of the lead screws.

[0021] In other embodiments, it also includes:

[0022] A manual spoke wheel is connected to the lead screw, and the manual spoke wheel is shaken to adjust the distance between the width adjustment devices.

[0023] In other embodiments, the lead screw is a left and right synchronous adjustment lead screw, and the width adjustment device is two sliders with opposite internal threads, and the two sliders are respectively connected to the two ends of the left and right synchronous adjustment lead screw.

[0024] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0025] 1. The utility model arranges a marking device on the cutting machine, so that when the tire carcass passes through the cutting machine, the center of the tire is engraved and marked. When the subsequent tire passes through the forming drum, it is observed whether the marking coincides with the center of the forming drum and the centering cursor of the forming drum. If not, the tire position is adjusted in time to prevent the tire from being offset during processing.

[0026] 2. The centering marking device of the utility model has a light structure, can adjust the depth of the marking, is easy to operate and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0028] Figure 1 This is a top view of the structure of the cutting machine of the utility model;

[0029] Figure 2 The left view of the cutting machine structure of the utility model Figure 1 ;

[0030] Figure 3 The structure of the cutting machine of the utility model is shown from the left. Figure 2 ;;

[0031] Figure 4 for Figure 2 Enlarged view at A in the middle;

[0032] Figure 5 for Figure 3 Enlarged view at B in the middle;

[0033] Description of the drawings: sleeve 1, marking device 2, cutter head 201, cutter handle 202, metal wheel 203, rod body 204, tensioning device 3, frame body 4, roller set 5, lead screw 6, width adjustment device 7, manual spoke wheel 8, tire 9. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] like Figure 1-5 As shown, the tire centering and marking device comprises: a sleeve 1, a marking device 2, and a tensioning device 3, wherein:

[0038] A sleeve 1 is fixed on a connecting rod of a cutting machine frame 4, and a front end of the sleeve 1 is located above a tire 9 to be scribed;

[0039] The marking device 2 has a marking end at one end and a connecting end at the other end, wherein the marking end is located at the center above the tire 9 to be marked, and the connecting end is rotatably connected to the sleeve 1 to adjust the vertical distance between the marking end and the tire 9 to be marked; it can be understood that the height of the marking end is adjustable, so that it can adapt to tires of different sizes, and when there is no need for centering marking operation, the marking end is lifted.

[0040] The tensioning device 3 is located on the side of the sleeve 1 and is used to fix the marking device 2 so that the marking end is fixed. It can be understood that when the tensioning device 3 is loosened, the marking device 2 is movable, and the position of the marking device 2 is adjusted. After the marking device 2 is adjusted into place, the tensioning device 3 is tightened and the marking device 2 is fixed.

[0041] After adjusting the position of the marking device according to the size of the tire to be marked, the marking device is fixed. When the tire to be marked passes over the tire centering marking device, the marking end marks the center of the tire, thereby generating a marking mark at the center of the tire. When the tire continues to move forward and reaches the building drum, observe whether the marking mark is consistent with the center of the building drum and the building drum centering cursor. If there is a deviation, adjust the tire position in time.

[0042] like Figure 3 , Figure 5 As shown, in other embodiments, the marking end is a cutter head 201, and the connecting end is a knife handle 202. It can be understood that the cutter head 201 is used to mark the tire 9 to be marked, and the knife handle 202 is used to be connected and fixed to the sleeve 1.

[0043] like Figure 5As shown, in other embodiments, the front end of the cutter head 201 is provided with a bend, and the bend angle is 120°-150°. It can be understood that the front end of the cutter head 201 is sharp, and this solution can prevent the tip of the metal rod from scratching the carcass, thereby improving practical performance.

[0044] like Figure 2 , Figure 5 As shown, the marking end is a metal wheel 203, the connecting end is a rod 204, and the metal wheel 203 is rotatably connected to the rod 204. It can be understood that the metal wheel 203 is used to mark the tire to be marked, and the metal wheel 203 is a metal wheel axle with a sharp edge. The metal wheel axle can be relied on its own weight to mark the tire body when it passes, and the vertical position of the metal wheel axle can also be adjusted.

[0045] like Figure 4 , Figure 5 As shown, in other embodiments, the tensioning device 3 is a left and right adjustment nut, and an adjustment hole is provided at the corresponding position of the connection end on the side of the sleeve 1, and the adjustment nut is fixed in the adjustment hole. It can be understood that by rotating the left and right adjustment nuts, the tightness of the connection between the left and right adjustment nuts and the connection end is adjusted. When the left and right adjustment nuts are screwed out, the connection with the connection end is loose, and the connection end is adjusted at this time; when the connection end needs to be fixed, the left and right adjustment nuts are tightened.

[0046] like Figure 1 As shown, the utility model also provides a cutting machine, comprising the tire centering and marking device according to any one of the above embodiments, and the cutting machine also includes:

[0047] Frame 4;

[0048] The roller mechanism includes multiple rows of parallel roller groups 5, each roller group 5 includes a plurality of rollers, and the plurality of rollers rotate to drive the tire to be marked forward; it can be understood that each roller group 5 is composed of dozens of universal wheels, each roller can realize forward and backward rotation, left and right rotation, and the rollers are independent of each other and do not interfere with each other, and the tire body is pulled forward to prevent stretching problems caused by mismatch of front and rear conveyor belt speeds.

[0049] A plurality of lead screws 6 are fixed on the frame 4, a plurality of the lead screws are parallel to the roller assembly, and a plurality of centers of the lead screws are perpendicular to the center line of the roller mechanism; it can be understood that, in this embodiment, the lead screw 6 adopts left and right synchronous adjustment lead screws.

[0050] The width adjustment device 7 is located at both ends of the screw 6 and is used to clamp the tire 9 to be marked. It can be understood that the width adjustment device 7 is a slider with opposite internal threads, which can move relatively on the screw at the same time, and the width adjustment device 7 extends a roller mechanism to clamp the tire to be marked.

[0051] When marking, the tire is located on the roller mechanism, the center line of the tire is aligned with the center of the lead screw, the width adjustment device is adjusted to fix the tire, the roller mechanism is started to transport the tire forward, and when the tire reaches above the centering marking device, the center of the tire is marked. This embodiment realizes the centering marking of the tire on the cutting machine. After marking, the tire is transported to the forming drum, which is convenient for observing whether the tire center coincides with the center of the forming drum and the centering cursor of the forming drum.

[0052] like Figure 1 As shown, in other embodiments, the diameters of the plurality of lead screws 6 are different to prevent wrinkles when the tire carcass is cut to a larger width.

[0053] like Figure 1 As shown, in other embodiments, a plurality of annular grooves are provided on the lead screws 6. In this embodiment, the distance between the annular grooves is 15-20 mm.

[0054] like Figure 1 As shown, in other embodiments, it also includes:

[0055] The manual spoke wheel 8 is connected to the lead screw 6, and the manual spoke wheel 8 is shaken to adjust the distance between the width adjustment devices 7. It can be understood that the manual spoke wheel 8 improves the convenience of operation.

[0056] The above is a detailed description of the tire centering marking device and cutting machine of the utility model. The utility model has the following advantages:

[0057] 1. The utility model arranges a marking device on the cutting machine, so that when the tire carcass passes through the cutting machine, the center of the tire is engraved and marked. When the subsequent tire passes through the forming drum, it is observed whether the marking coincides with the center of the forming drum and the centering cursor of the forming drum. If not, the tire position is adjusted in time to prevent the tire from being offset during processing.

[0058] 2. The centering marking device of the utility model has a light structure, can adjust the depth of the marking, is easy to operate and has low cost.

[0059] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for which protection is requested in the utility model.

Claims

1. A tire centering and marking device, characterized in that: include: A sleeve is fixed on the connecting rod of the cutting machine frame, and the front end of the sleeve is located above the tire to be marked; A marking device, one end of which is a marking end and the other end is a connecting end, wherein the marking end is located at the center above the tire to be marked, and the connecting end is rotatably connected to the sleeve to adjust the vertical distance between the marking end and the tire to be marked; The tensioning device is located on the side of the sleeve and is used to fix the marking device so that the marking end is fixed.

2. The tire centering and marking device according to claim 1, characterized in that: The marking end is a knife head, and the connecting end is a knife handle.

3. The tire centering and marking device according to claim 2, characterized in that: The front end of the cutter head is provided with a bending portion, and the bending angle is 120°-150°.

4. The tire centering and marking device according to claim 1, characterized in that: The marking end is a metal wheel, the connecting end is a rod body, and the metal wheel is rotatably connected to the rod body.

5. The tire centering and marking device according to claim 1, characterized in that: The tensioning device is a left and right adjusting nut, and an adjusting hole is provided at a position corresponding to the connecting end on the side of the sleeve, and the adjusting nut is fixed in the adjusting hole.

6. A cutting machine comprising the tire centering and marking device according to any one of claims 1 to 5, characterized in that: Also includes: Frame; The roller mechanism comprises a plurality of parallel rows of roller groups, each roller group comprises a plurality of rollers, and the plurality of rollers rotate to drive the tire to be scribed to be conveyed forward; A plurality of lead screws are fixed on the frame, wherein the lead screws are parallel to the roller assembly, and the centers of the lead screws are perpendicular to the center line of the roller mechanism; Width adjustment devices, located at both ends of the lead screw, for clamping the tire to be marked; When marking, the tire is located on the roller mechanism, the center line of the tire is aligned with the center of the screw, the width adjustment device is adjusted to fix the tire, the roller mechanism is started to transport the tire forward, and when the tire reaches above the centering marking device, the center of the tire is marked.

7. The cutting machine according to claim 6, characterized in that: Several of the lead screws have different diameters.

8. The cutting machine according to claim 6, characterized in that: A plurality of annular grooves are arranged on the lead screws.

9. The cutting machine according to claim 6, characterized in that: Also includes: A manual spoke wheel is connected to the lead screw, and the manual spoke wheel is shaken to adjust the distance between the width adjustment devices.

10. The cutting machine according to claim 6, characterized in that The lead screw is a left and right synchronous adjustment lead screw, and the width adjustment device is two sliders with opposite internal threads, and the two sliders are respectively connected to the two ends of the left and right synchronous adjustment lead screws.

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