Roundness detection device for tire mold

Abstract

The utility model discloses a roundness detection device for a tire mold, which comprises a working table and a square rod arranged on the working table, a base is arranged on the square rod, a through groove is formed in the working table, a support is arranged below the working table, a guide block is rotationally arranged on the support, a supporting rod is arranged on the guide block, a lifting assembly is arranged at one end of the support, and a positioning frame is arranged on the lifting assembly. A first motor is arranged at one end of the vertical frame, an output shaft of the first motor is sleeved with a first driving wheel, a fixing cylinder is arranged on one side of the fixing disc, a clamping block is arranged on the fixing cylinder in a sliding mode, a pushing air cylinder is arranged on one side of the vertical frame, and a pushing block is arranged at one end of the pushing air cylinder. A traditional tire mold needs to be carried onto a workbench by a worker to be aligned with the circle center of a fixed cylinder, the work labor amount is large, time and labor are wasted, the overall detection efficiency is reduced, and the tire mold can be conveniently placed and adjusted by the worker.

Description

Technical Field

[0001] The utility model relates to the technical field of tire mold detection equipment, in particular to a roundness detection device for a tire mold. Background Art

[0002] The tire mold is the basis for vulcanization molding of various tires. The Chinese utility model patent with announcement number CN213902202U discloses a tire mold roundness detection device, including a workbench, the upper side of the workbench is fixedly connected to a rectangular slide, a screw is arranged in the rectangular slide, one end of the screw is movably connected to one end of the rectangular slide, the screw is movably connected to the other end of the rectangular slide, the other end of the screw is fixedly connected to a handle, a slider is arranged in the rectangular slide, the screw is threadedly connected to the slider, the upper side of the slider is fixedly connected to one end of a connecting rod, the other end of the connecting rod is fixedly connected to one end of a hollow round rod, a guide rod is arranged in the hollow round rod, a dial indicator is arranged on the guide rod, the hollow round rod is threadedly connected to a top screw corresponding to the guide rod, the upper side of the workbench is fixedly connected to a square rod, a trapezoidal slide is arranged on the square rod, a trapezoidal slide is arranged on the trapezoidal slide, a connecting plate is fixed on the trapezoidal slide, a supporting plate is fixed on the connecting plate, and a fixed cylinder is movably connected to the middle of the supporting plate.

[0003] Before the tire mold is inspected, personnel need to carry it to the workbench and align it with the center of the fixed cylinder. The tire mold has a certain weight, and the workbench has a certain height. There is a lot of labor required for manual carrying and moving of the tire mold, and manual alignment and adjustment of the center of the tire mold with the fixed cylinder is time-consuming and laborious, which reduces the overall inspection efficiency. Summary of the invention

[0004] The utility model aims to provide a roundness detection device for a tire mold, which can facilitate personnel to place and adjust the tire mold.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a roundness detection device for a tire mold, comprising a workbench and a square rod arranged thereon, the square rod is provided with a base for supporting a fixed plate, the workbench is provided with a through slot for the tire mold to enter and exit, a bracket is provided under the workbench, a guide block is rotatably provided on the bracket, a support rod for supporting the tire mold is provided on the guide block, a lifting assembly is provided at one end of the bracket, the lifting assembly comprises a second motor arranged under the workbench and a ball screw arranged along the height direction of the workbench and driven by the second motor, a positioning frame opposite to the through slot is slidably provided on the ball screw.

[0006] Preferably, a stand is provided on the base, a fixed disk is provided on the stand, the fixed disk is driven to rotate by a motor, a fixed cylinder is provided on the fixed disk, a pushing cylinder is provided on one side of the stand, a pushing block connected to the pushing cylinder is slidably provided in the fixed cylinder, and a card block is slidably connected to the outer wall of the pushing block.

[0007] Preferably, a sliding groove is provided on the guide block along its length direction, one end of the support rod is slidably connected to the sliding groove, and a through hole is provided on the guide block for the support rod to pass through.

[0008] Preferably, a motor three connected to the guide block is arranged on the bracket, and a plurality of groups of balls are arranged on the inner wall of the sliding groove along its length direction.

[0009] Preferably, a clamping block is provided in the positioning frame, a driving assembly is provided at one end of the clamping block, the driving assembly includes a pushing member and a rotating member, the pushing member includes a bidirectional screw rotatably connected to the inner wall of the positioning frame, sliders slidably arranged at opposite ends thereof, and a support plate rotatably arranged on the outer wall of the clamping block, the two groups of sliders are respectively connected to the support plate through a driving rod, and one end of the rotating member passes through the support plate and is connected to the clamping block.

[0010] Preferably, the rotating member includes a motor 4 arranged on the positioning frame, a driving rod arranged on its output shaft, and a driven cylinder fixed on the clamping block, and one end of the driven cylinder passes through the support plate and is slidably connected to the driving rod.

[0011] Preferably, the clamping blocks are provided in two groups, which are arranged opposite to each other in the positioning frame, and a driving component is provided at one end away from each other of the two groups of clamping blocks, and the bidirectional screw is driven by a motor five.

[0012] Beneficial effects of the utility model:

[0013] The utility model arranges a bracket under the workbench, the bracket is connected with a guide block through the rotation of motor three, a support rod supporting the tire mold is slidably arranged on the guide block, the tire mold is driven by motor three to be placed on the positioning frame, and then the lifting component drives the positioning frame to move the tire mold to the workbench. Compared with the prior art, the labor of personnel carrying the tire mold is reduced, and certain safety hazards are reduced.

[0014] At the same time, a fixed cylinder is arranged on the fixed plate, and a clamping block for contacting the inner wall of the tire mold is slidably arranged on the fixed cylinder. The pushing block is pushed by the pushing piece to indirectly drive the clamping block to fit the inner wall of the tire mold, so that the tire mold that is not yet concentric with the fixed plate is concentrically aligned, and there is no need for manual adjustment and alignment by personnel, which reduces the labor of personnel. In the process of overall roundness detection of the tire mold, the time for concentric alignment between the tire mold and the fixed plate is also reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram for showing some mechanisms on a workbench in one embodiment of the utility model;

[0016] Figure 2 for Figure 1 A magnified view of part A;

[0017] Figure 3 A schematic diagram of a part of the mechanism under the workbench used to separately display the utility model in one embodiment;

[0018] Figure 4 This is a structural schematic diagram for separately displaying part of the mechanism on the stand in one embodiment of the utility model;

[0019] Figure 5 This is a cross-sectional view for showing a part of the mechanism on the positioning frame in one embodiment of the utility model;

[0020] Figure 6 for Figure 5 Magnified view of part B.

[0021] 1. The cam is provided with a plurality of guide wheels, each of which is provided with a plurality of guide wheels, and each of which is provided with a plurality of guide wheels. The guide wheels are provided with a plurality of guide wheels, each of which is provided with a plurality of guide wheels. DETAILED DESCRIPTION

[0022] The following is only a preferred implementation of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0023] It should be noted that, in this article, relational terms such as first and second, such as "connecting board one, connecting board two", etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0024] The directional words mentioned in this embodiment, such as "up, down, left, right", etc., are only used in conjunction with the drawings to enable technicians in this technical field to understand the relationship between various features or parts.

[0025] In this embodiment, unless otherwise clearly specified and limited, the terms "connection", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0026] like Figures 1 to 6 As shown, a roundness detection device for a tire mold includes a workbench 4 and a square rod 1 fixed thereon, a base 2 for supporting a fixed plate 17 is slidably provided on the upper side of the square rod 1, and a through groove 3 for the tire mold to move in and out up and down is opened in the middle of the square rod 1 on the workbench 4.

[0027] A U-shaped outer frame (not shown in the drawings) is fixed to the lower side of the workbench 4, just below the through groove 3. A bracket 5 is vertically fixed to the outer side of the outer frame. A rectangular guide block 11 is rotatably connected to the bracket 5. A motor 3 13 is fixed to the outer wall of the bracket 5. The guide block 11 is rotatably connected to the bracket 5 through the motor 3 13. A sliding groove 6 is provided on the inner side of the guide block 11 along its length direction. One end of the support rod 12 is slidably connected to the sliding groove 6. Several groups of balls 7 are embedded on the bottom side of the inner wall of the sliding groove 6. The balls 7 are arranged in sequence along the length direction of the sliding groove 6, and a through hole 8 for the support rod 12 to enter is respectively provided at the front and rear ends of the guide block 11. It should be noted that a baffle (not shown in the drawings) can be slidably set at the through hole 8 to cover the through hole 8. The purpose is to prevent the support rod 12 from sliding out through the through hole 8 when supporting the tire mold to slide.

[0028] An auxiliary rod 10 is slidably provided on the outer side of the bracket 5. The end of the auxiliary rod 10 away from the bracket 5 is rotatably connected to the lower side of the guide block 11. Its purpose is to provide a certain external support for the guide block 11 when the guide block 11 rotates.

[0029] A ball screw 26 is vertically fixed in the outer frame, and a driven wheel 27 is sleeved on the lower end of the ball screw 26. A motor 29 is fixed in the outer frame, and a driving wheel 28 meshing with the driven wheel 27 is fixed on the output shaft of the motor 29. A positioning frame 9 slides on the ball screw 26, and arc-shaped clamping blocks 34 are relatively arranged at the upper and lower ends of the positioning frame 9.

[0030] The two groups of clamping blocks 34 are each rotatably provided with a support plate 33 on one side away from each other, and a bidirectional screw 37 is horizontally provided in the positioning frame 9. Two groups of bidirectional screws 37 are provided, which are arranged opposite to each other up and down, and sliders 36 are relatively slidably provided at the left and right ends of the bidirectional screws 37. A driving rod 35 is rotatably provided on the two groups of sliders 36, and the driving rod 35 is rotatably connected to the support plate 33 at one end away from the slider 36. A hollow driven cylinder 32 is vertically fixed to the clamping block 34 toward one side of the support plate 33, and a driving rod 38 slidably connected to the driven cylinder 32 is fixed to the inner wall of the positioning frame 9, and a motor 25 is fixed to the outer wall of the positioning frame 9 and is fixedly connected to the driving rod 38. It should be noted that a protrusion is provided on one side of the outer wall of the driving rod 38 along its length direction (not shown in the accompanying drawings), and an inner groove (not shown in the accompanying drawings) for the sliding connection of the protrusion is provided on the inner wall of the driven cylinder 32. The purpose is to make the driving rod 38 only slide up and down vertically in the driven cylinder 32.

[0031] like Figure 5 As shown, the bidirectional screw 37 located at the upper end of the positioning frame 9 is provided with a driven wheel 3 24, and the bidirectional screw 37 located at the lower end of the positioning frame 9 is provided with a driving wheel 3 30, and the output shaft of the motor 5 31 is fixedly connected to the driving wheel 3 30, and the driving wheel 3 30 and the driven wheel 3 24 are driven by belt transmission.

[0032] like Figure 4 As shown, a stand 23 is vertically fixed on the base 2, and a push cylinder 14 is fixed on the upper end of the stand 23. A fixed disk 17 is provided on the side of the stand 23 away from the push cylinder 14, and the fixed disk 17 is rotatably connected to the stand 23 through a driven wheel 22. A motor 15 is fixed on one side of the stand 23, and the output shaft sleeve of the motor 15 is fixed with a driving wheel 16 meshing with the driven wheel 22. The top of the piston rod of the push cylinder 14 passes through the driven wheel 22 and the fixed disk 17, and is connected with a push block 21. In this embodiment, the push block 21 adopts a cone design with the top removed. A fixed cylinder 20 is fixed in the middle of the side of the fixed disk 17 away from the stand 23, and the push block 21 is located in the fixed cylinder 20. In this embodiment, three groups of clamping blocks 19 are provided on the fixed cylinder 20 along its radial direction, and a connecting rod 18 is vertically fixed to the inner wall of the clamping block 19. The end of the connecting rod 18 away from the clamping block 19 is slidably connected to the outer wall of the push block 21, and the driven wheel 22 is concentrically arranged with the fixed disk 17 and the fixed cylinder 20.

[0033] When it is necessary to detect the roundness of the tire mold, the personnel moves the tire mold to the guide block 11 of the bracket 5, and the personnel extends the support rod 12 into the center hole of the tire mold through the through hole 8, and then controls the motor 3 13 to start forward rotation through the control system, and the motor 3 13 drives the guide block 11 to start rotating, and the tire mold is supported by the support rod 12 to move synchronously, so that the tire mold rises and rolls into the positioning frame 9, and then starts the motor 4 25, and the motor 4 25 drives the driven cylinder 32 through the driving rod 38, and the driven cylinder 32 drives the clamping block 34 to rotate, so that the clamping block 34 is arranged in parallel with the tire mold, and then stops the motor 4 25. When the two groups of clamping blocks 34 need to approach each other, start the motor 5 31 to rotate forward, and the motor 5 31 drives the driving wheel 30, and the driving wheel 33 0 belt drives driven wheel three 24, and the bidirectional screws 37 connected to the driving wheel three 30 and the driven wheel three 24 respectively rotate in one direction. The two sets of sliders 36 on the bidirectional screw 37 are close to each other, and the driving rod 35 on the slider 36 pushes the supporting plate 33, and the supporting plate 33 drives the clamping block 34. The inner wall of the clamping block 34 is attached to the outer wall of the tire mold in the positioning frame 9. The motor three 13 starts to reverse, so that the guide block 11 is located at one end of the positioning frame 9 and rotates out, and then the motor two 29 is started. The motor two 29 drives the driven wheel two 27 through the driving wheel two 28, and the driven wheel two 27 drives the ball screw 26 to start forward rotation. The positioning frame 9 moves up in the height direction of the ball screw 26, so that the tire mold limited by the two sets of clamping blocks 34 in the positioning frame 9 is located on the workbench 4 through the through groove 3.

[0034] The personnel then moves the stand 23 through the base 2 so that one end of the fixed cylinder 20 on the stand 23 passes through the center of the tire mold, and then controls the push cylinder 14 to start through the control system to push the push block 21 in the fixed cylinder 20, and the connecting rod 18 on the outer wall of the push block 21 is driven, and the connecting rod 18 drives the card block 19 away from the fixed cylinder 20, so that the outer wall of the card block 19 is attached to the central inner wall of the tire mold, and the three groups of card blocks 19 on the fixed cylinder 20 are respectively attached to the central inner wall of the tire mold on each side, so that the tire mold and the fixed cylinder 20 are concentric, and then the motor 15 is controlled to drive the driving wheel 16, the driving wheel 16 drives the driven wheel 22, and the driven wheel 22 drives the fixed disk 17, and the fixed disk 17 synchronously drives the fixed cylinder 20, and the fixed cylinder 20 that contacts the inner wall of the tire mold through the card block 19 drives the tire mold to rotate synchronously around the central axis of the fixed cylinder 20, and the personnel move the detection tool to the tire mold to detect the roundness of the tire mold.

[0035] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A roundness detection device for a tire mold, comprising a workbench (4) and a square rod (1) arranged thereon, wherein the square rod (1) is provided with a base (2) for supporting a fixed plate (17), It is characterized in that The workbench (4) is provided with a through slot (3) for the tire mold to enter and exit; A bracket (5) is arranged below the workbench (4), a guide block (11) is rotatably arranged on the bracket (5), and a support rod (12) for supporting the tire mold is arranged on the guide block (11); A lifting assembly is arranged at one end of the bracket (5), and the lifting assembly comprises a second motor (29) arranged under the workbench (4) and a ball screw (26) arranged along the height direction of the workbench (4) and driven by the second motor (29), and a positioning frame (9) opposite to the through slot (3) is slidably arranged on the ball screw (26).

2. The roundness detection device for a tire mold according to claim 1, characterized in that: The base (2) is provided with a stand (23), a fixed disk (17) is provided on the stand (23), the fixed disk (17) is driven to rotate by a motor (15), a fixed cylinder (20) is provided on the fixed disk (17), a push cylinder (14) is provided on one side of the stand (23), a push block (21) connected to the push cylinder (14) is slidably provided in the fixed cylinder (20), and a clamping block (19) is slidably connected to the outer wall of the push block (21).

3. The roundness detection device for a tire mold according to claim 1, characterized in that: The guide block (11) is provided with a sliding groove (6) along its length direction, one end of the support rod (12) is slidably connected to the sliding groove (6), and the guide block (11) is provided with a through hole (8) for the support rod (12) to pass through.

4. The roundness detection device for a tire mold according to claim 3, characterized in that: The bracket (5) is provided with a motor three (13) connected to the guide block (11), and the inner wall of the sliding groove (6) is provided with a plurality of groups of balls (7) along its length direction.

5. The roundness detection device for a tire mold according to claim 1, characterized in that: A clamping block (34) is arranged inside the positioning frame (9), and a driving component is arranged at one end of the clamping block (34), and the driving component includes a pushing member and a rotating member, and the pushing member includes a bidirectional screw rod (37) rotatably connected to the inner wall of the positioning frame (9) and sliders (36) slidably arranged at opposite ends thereof and a supporting plate (33) rotatably arranged on the outer wall of the clamping block (34), and two groups of the sliders (36) are respectively connected to the supporting plate (33) through a driving rod (35), and one end of the rotating member passes through the supporting plate (33) and is connected to the clamping block (34).

6. The roundness detection device for a tire mold according to claim 5, characterized in that: The rotating member comprises a motor (25) arranged on a positioning frame (9), a driving rod (38) arranged on its output shaft, and a driven cylinder (32) fixed on a clamping block (34); one end of the driven cylinder (32) passes through the supporting plate (33) and is slidably connected to the driving rod (38).

7. The roundness detection device for a tire mold according to claim 5, characterized in that: The clamping blocks (34) are provided in two groups, which are arranged opposite to each other in the positioning frame (9), and a driving assembly is provided at one end away from each other of the two groups of clamping blocks (34). The bidirectional screw rod (37) is driven by the motor five (31).

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