Rubber strip straightening device

Abstract

This application relates to a rubber strip straightening fixture, including a first fixing member, a first straightening member, and a second straightening member. The first straightening member includes a first mounting portion and a first abutting portion, and the second straightening member includes a second mounting portion and a second abutting portion. A channel for accommodating the rubber strip is formed between the first abutting portion and the second abutting portion. In use, the operator places the rubber strip in the channel, with the area of ​​the rubber strip to be straightened located between the first abutting portion and the second abutting portion. The operator stands in a preset position, holds the end of the rubber strip, and moves the rubber strip along a preset trajectory, causing the area of ​​the rubber strip to be straightened to compress the first abutting portion and the second abutting portion, resulting in local deformation of the rubber strip and thus straightening it. During the above process, the straightening angle can be changed by altering the operator's position and the direction of force. Simultaneously, the limiting effect of the first abutting portion and the second abutting portion improves the accuracy of the straightening angle, thereby increasing the efficiency of rubber strip straightening.

Description

Technical Field

[0001] This application relates to the field of rubber strip production equipment technology, and in particular to a rubber strip straightening tool. Background Technology

[0002] The lower edge sealing strip is a type of sealing strip installed on the lower edge of a car's windshield. The curvature of the lower edge sealing strip must match the curvature of the windshield to ensure a seamless fit and effective sealing. However, in actual production, the curvature of the lower edge sealing strip is formed using a bending machine, and fluctuations in curvature are inevitable during production. This necessitates a manual fine-tuning process during subsequent inspection. Currently, manual adjustment relies heavily on professionals. The lower edge sealing strip has an embedded aluminum strip for shaping, and manual adjustment after bending relies on the palm of the hand. However, the palm has limited ability to exert force over short distances, making precise control of the adjustment angle impossible with existing methods, resulting in low bending efficiency.

[0003] Therefore, how to improve the bending efficiency of rubber strips is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0004] This application provides a tooling for straightening rubber strips to improve the efficiency of straightening rubber strips.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A rubber strip straightening fixture includes a first fixing member, a first straightening member, and a second straightening member. The first straightening member includes a first mounting portion and a first abutting portion, and the second straightening member includes a second mounting portion and a second abutting portion. The first mounting portion and the second mounting portion are spaced apart and connected to the first fixing member, and a channel for accommodating the rubber strip is formed between the first abutting portion and the second abutting portion.

[0007] When the adhesive strip is placed inside the channel, the adhesive strip abuts against the first abutting part and the second abutting part, and the contact position between the adhesive strip and the first abutting part is the first contact position, and the contact position between the adhesive strip and the first abutting part is the second contact position. The first contact position and the second contact position are located on both sides of the center line connecting the first abutting part and the second abutting part.

[0008] Optionally, in the above-mentioned rubber strip bending fixture, the first fixing member is provided with a first mounting hole and a second mounting hole, the first mounting part is fixedly connected to the first mounting hole, and the second mounting part is fixedly connected to the second mounting hole.

[0009] Optionally, in the above-mentioned rubber strip bending fixture, the first mounting part and the second mounting part are bolts, the first abutting part and the second abutting part are cylindrical, and the first abutting part is provided with a threaded hole along the axial direction that mates with the first mounting part, and the second abutting part is provided with a threaded hole along the axial direction that mates with the second mounting part.

[0010] Optionally, in the above-mentioned rubber strip straightening fixture, the first fixing member has a strip-shaped hole along the length direction, and the first mounting part and the second mounting part are engaged with the inner wall of the strip-shaped hole.

[0011] Optionally, in the above-mentioned rubber strip bending fixture, the second mounting part includes a rotating shaft, a first limiting member and a second limiting member, the second abutting part is cylindrical, and the second abutting part is provided with a through hole along the axial direction to rotate with the rotating shaft. The first end of the rotating shaft passes through the second mounting hole and is connected to the first limiting member, and the second end of the rotating shaft passes through the through hole and is connected to the second limiting member.

[0012] Optionally, the above-mentioned rubber strip straightening fixture further includes a second fixing member, which is disposed opposite to the first fixing member, and the first straightening member and the second straightening member are disposed between the first fixing member and the second fixing member;

[0013] The second fixing member has a first positioning hole and a second positioning hole. The first positioning hole is connected to the first bending member, and the second end of the rotating shaft passes through the second positioning hole and is connected to the second limiting member.

[0014] Optionally, in the above-mentioned rubber strip bending fixture, the inner wall of the strip hole includes a first side wall and a second side wall. Both the first side wall and the second side wall include multiple recesses and multiple protrusions. The recesses of the first side wall and the recesses of the second side wall correspond one-to-one to form a snap-fit ​​groove for snapping the first mounting part and the second mounting part.

[0015] Optionally, in the above-mentioned rubber strip straightening fixture, the first fixing member further includes a fixing end, which is disposed close to the first straightening member and is used to position the first fixing member.

[0016] Optionally, in the above-mentioned rubber strip straightening fixture, the rubber strip includes a protrusion, and the first abutting part has a groove;

[0017] When the adhesive strip is placed inside the channel, the protrusion is adapted to the groove, and the protrusion is movable along the groove.

[0018] Optionally, in the above-mentioned rubber strip straightening fixture, the outer surfaces of the first straightening member and the second straightening member are covered with polyurethane.

[0019] The rubber strip straightening fixture provided by this utility model allows the operator to place the rubber strip in the channel, with the area to be straightened located between the first and second contact parts. The operator stands in a preset position, holds the end of the rubber strip, and moves the rubber strip along a preset trajectory. This causes the area to be straightened to press against the first and second contact parts through the first and second contact positions, resulting in local deformation of the rubber strip and thus straightening it. During this process, the straightening angle can be changed by altering the operator's position and the direction of force. Furthermore, the limiting effect of the first and second contact parts improves the accuracy of the straightening angle, thereby increasing the efficiency of rubber strip straightening. Attached Figure Description

[0020] The accompanying drawings, incorporated in and forming part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without creative effort. One or more embodiments are illustrated by way of example through the corresponding images in the accompanying drawings. These exemplary descriptions do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings represent similar elements. Unless otherwise stated, the figures in the drawings do not constitute a limitation on scale.

[0021] Figure 1 A schematic diagram illustrating the fit between the rubber strip straightening fixture and the rubber strip provided in the embodiments of this application;

[0022] Figure 2 This is a schematic diagram of the structure of the rubber strip straightening fixture provided in the embodiments of this application;

[0023] Figure 3 This is a schematic diagram illustrating the fit between the rubber strip straightening fixture and the rubber strip provided in the embodiments of this application.

[0024] Explanation of reference numerals in the attached figures:

[0025] First fixing member 100, strip hole 101, fixing end 102, first bending member 200, first mounting part 201, first abutting part 202, groove 2021, first contact position 2022, second bending member 300, second mounting part 301, second abutting part 302, second contact position 3021, channel 400, adhesive strip 500, protrusion 501. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] The following disclosure provides numerous different embodiments or examples for implementing various structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application; however, those skilled in the art will recognize the applicability of other processes and / or the use of other materials.

[0028] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0029] See Figures 1-3This application provides a rubber strip straightening fixture, including a first fixing member 100, a first straightening member 200, and a second straightening member 300. The first straightening member 200 includes a first mounting portion 201 and a first abutting portion 202. The second straightening member 300 includes a second mounting portion 301 and abutting portion 302. The first mounting portion 201 and the second mounting portion 301 are spaced apart and connected to the first fixing member 100, and a space is formed between the first abutting portion 202 and the second abutting portion 302 for accommodating the rubber strip 50. In channel 400, when the adhesive strip 500 is disposed inside the channel 400, the adhesive strip 500 abuts against the first abutment 202 and the second abutment 302, and the contact position between the adhesive strip 500 and the first abutment 202 is the first contact position 2022, and the contact position between the adhesive strip 500 and the first abutment 202 is the second contact position 3021. The first contact position 2022 and the second contact position 3021 are located on both sides of the line connecting the center of the first abutment 202 and the second abutment 302.

[0030] Specifically, Figure 1 This diagram illustrates the relative positions of the first fixing member 100 and the adhesive strip 500 when they mate. The first contact position 2022 and the second contact position 3021 respectively abut against the adhesive strip 500. It should be noted that the first contact position 2022 and the second contact position 3021 will change accordingly as the operator's position changes and the position of the adhesive strip 500 changes within the channel 400. Figure 1 The diagram shows only one possible way of fitting the rubber strip 500 with the first straightening member 200 and the second straightening member 300.

[0031] Specifically, when the operator pulls the end of the rubber strip 500, the first contact position 2022 of the first abutment 202 and the second contact position 3021 of the second abutment 302 can serve as fulcrums, thereby solving the problem of difficulty in applying force for manual correction in the prior art. In addition, the channel 400 can constrain the displacement path of the rubber strip 500, avoid correction deviation, and improve the bending efficiency.

[0032] The adhesive strip bending fixture provided by this utility model allows the operator to place the adhesive strip 500 in the channel 400. The area of ​​the adhesive strip 500 to be bent is located between the first abutment part 202 and the second abutment part 302. The operator stands in a preset position, holds the end of the adhesive strip 500, and moves the adhesive strip 500 along a preset trajectory. This causes the area of ​​the adhesive strip 500 to be bent to be squeezed by the first contact position 2022 and the second contact position 3021, resulting in local deformation of the adhesive strip 500 and thus bending the adhesive strip 500. In the above process, the bending angle can be changed by changing the operator's position and the direction of force. At the same time, the accuracy of the bending angle can be improved by the limiting effect of the first abutment part 202 and the second abutment part 302, thereby improving the bending efficiency of the adhesive strip 500.

[0033] During the bending process of the rubber strip 500, the first bending member 200 and the second bending member 300 will be directly subjected to force, so they need to be firmly connected to the first fixing member 100 to avoid displacement.

[0034] Therefore, in some embodiments, the first fixing member 100 has a first mounting hole and a second mounting hole, the first mounting part 201 is fixedly connected to the first mounting hole, and the second mounting part 301 is fixedly connected to the second mounting hole. Through the first mounting hole and the second mounting hole in the first fixing member 100, the first mounting part 201 of the first bending member 200 and the second mounting part 301 of the second bending member 300 can be fixed respectively, thereby achieving a rigid connection between the two through a hole-shaft fit, preventing tooling deformation. At the same time, the detachable design facilitates the replacement of worn first bending member 200 and second bending member 300, ensuring convenient maintenance of the tooling.

[0035] Furthermore, in other embodiments, depending on the needs of use, the operator can open multiple mounting holes in the length direction of the first fixing member 100 to adjust the relative position of the first bending member 200 and the second bending member 300, thereby changing the width of the channel 400 so that adhesive strips 500 of different thicknesses, sizes and shapes can be set inside the channel 400.

[0036] The above scheme defines the connection between the first bending member 200 and the second bending member 300 and the hole shaft of the first fixing member 100. To ensure connection stability, in some embodiments, the first mounting part 201 and the second mounting part 301 are bolts, the first abutting part 202 and the second abutting part 302 are cylindrical, and the first abutting part 202 has a threaded hole along the axial direction that mates with the first mounting part 201, and the second abutting part 302 has a threaded hole along the axial direction that mates with the second mounting part 301. Specifically, making the first abutting part 202 and the second abutting part 302 cylindrical can increase the contact area, making the force uniform, and avoiding crushing the internal aluminum strip of the rubber strip 500 by dispersing the pressure, thereby protecting the rubber strip 500. The first mounting part 201 and the second mounting part 301 are bolts, and are threadedly connected to the threaded holes of the first abutting part 202 and the second abutting part 302 respectively, which can ensure structural stability, realize the quick assembly and disassembly of the first bending member 200 and the second bending member 300, and reduce maintenance costs.

[0037] Furthermore, since multiple mounting holes are provided on the first fixing member 100, and each time the width of the channel 400 is adjusted, the first straightening member 200 or the second straightening member 300 needs to be removed and reinstalled, in order to optimize the above technical solution, in some embodiments, the first fixing member 100 is provided with a strip-shaped hole 101 along its length, and the first mounting part 201 and the second mounting part 301 are engaged with the inner wall of the strip-shaped hole 101. The strip-shaped hole 101 can support continuous position adjustment of the first straightening member 200 and the second straightening member 300, adapting to different bending sections and degrees of bending of the rubber strip 500, and the relative position of the first straightening member 200 and the second straightening member 300 can be adjusted without removing the bolts, thereby saving tooling adjustment time and improving the straightening efficiency of the rubber strip 500.

[0038] To ensure the accuracy of bending, scale markings can be added to the side of the strip hole 101 to quantify the adjustment distance and achieve precise torque adjustment.

[0039] During the bending process of the rubber strip 500, it comes into direct contact with the first abutment portion 202 and the second abutment portion 302. To protect the rubber strip 500, the first bending member 200 and / or the second bending member 300 can be made to rotate, thereby reducing frictional damage between the rubber strip 500 and the first abutment portion 202 and / or the second abutment portion 302. Operators can choose to use the first abutment portion 202 and the second abutment portion 302 as fixed or rotating depending on the application. This application only describes the second abutment portion 302 as rotating.

[0040] Specifically, the second mounting part 301 includes a rotating shaft, a first limiting member, and a second limiting member. The second abutment part 302 is cylindrical and has a through hole along its axial direction for rotatable engagement with the rotating shaft. The first end of the rotating shaft passes through the second mounting hole and connects to the first limiting member, while the second end of the rotating shaft passes through the through hole and connects to the second limiting member. The second abutment part 302 rotates by connecting to the rotating shaft through the through hole. The first and second limiting members prevent the second abutment part 302 from axially shifting. In use, the rotating second abutment part 302 rotates along with the adhesive strip 500, reducing frictional damage to the surface of the adhesive strip 500.

[0041] To optimize the above technical solution, the rubber strip straightening fixture also includes a second fixing member. The second fixing member is arranged opposite to the first fixing member 100, and the first straightening member 200 and the second straightening member 300 are arranged between the first fixing member 100 and the second fixing member. The second fixing member has a first positioning hole and a second positioning hole. The first positioning hole is connected to the first straightening member 200, and the second end of the rotating shaft passes through the second positioning hole and is connected to the second limiting member.

[0042] It should be noted that the first mounting hole, the second mounting hole, and the strip hole 101 can be simultaneously provided on the first fixing member 100. The structure of the second fixing member can be the same as that of the first fixing member 100. Therefore, the first straightening member 200 and the second straightening member 300 can be fixed in multiple ways on the first fixing member 100 and the second fixing member. The above embodiment is only one case, that is, the connection between the first straightening member 200 and the first fixing member 100 and the second fixing member is fixed, and the connection between the second straightening member 300 and the first fixing member 100 and the second fixing member is rotatable. However, regardless of the connection method, by adding the second fixing member and making it parallel to the first fixing member 100, and by connecting the two ends of the first straightening member 200 and / or the second straightening member 300 to the first fixing member 100 and the second fixing member respectively through mounting holes and positioning holes, the rubber strip straightening fixture can form a closed force-bearing frame, effectively improving the bending stiffness of the fixture.

[0043] Furthermore, to ensure that the first fixing member 100 has multiple mounting positions for the first mounting portion 201 and the second mounting portion 301, allowing for adjustable relative positions, and to ensure the structural strength of the first fixing member 100, the inner wall of the strip hole 101 includes a first side wall and a second side wall. Both the first and second side walls include multiple recesses and multiple protrusions. The recesses of the first side wall and the recesses of the second side wall correspond one-to-one to form locking grooves for engaging the first mounting portion 201 and the second mounting portion 301. The recesses form locking grooves in pairs, and the protrusions act as separators. Multiple locking grooves provide preset positions, such as every 10mm, which prevents misadjustment and improves bending accuracy.

[0044] To optimize the above technical solution, the first fixing member 100 also includes a fixing end 102, which is located close to the first bending member 200 and is used to position the first fixing member 100.

[0045] Specifically, the fixed end 102 is a handle. Using the rubber strip bending fixture of this application, the operator can hold the handle with one hand and move the rubber strip 500 with the other hand, so that the rubber strip 500 abuts, moves, and deforms at the first abutting part 202 and the second abutting part 302, thereby achieving local bending.

[0046] Alternatively, fixing pins or fixing holes can be installed at the handle. By fixing the handle to a preset position (such as the equipment table), manpower can be further saved, tooling can be stabilized, and bending accuracy can be improved.

[0047] To optimize the above technical solution, the adhesive strip 500 includes a protrusion 501, and the first abutment portion 202 has a groove 2021. When the adhesive strip 500 is placed inside the channel 400, the protrusion 501 is adapted to the groove 2021, and the protrusion 501 can move along the groove 2021. Some adhesive strips 500 are irregularly shaped adhesive strips 500, including a flat portion and a protrusion 501. In use, the protrusion 501 is adapted to the groove 2021, forming a mechanical interlock to prevent the adhesive strip 500 from coming out of the channel 400 during correction. The protrusion 501 can move along the groove 2021, that is, the groove 2021 constrains the movement path of the protrusion 501, which can achieve a guiding function, ensure the consistency of curvature, and further improve the bending accuracy.

[0048] To optimize the above technical solution, the outer surfaces of the first bending member 200 and the second bending member 300 are coated with polyurethane. Specifically, the polyurethane is preferably 90 degrees hardness to prevent scratches or other defects on the rubber strip 500 caused by hard contact during the straightening process, thereby protecting the rubber strip 500.

[0049] It should be noted that the rubber strip straightening fixture provided by this utility model can be used in the field of rubber strip production equipment technology or other fields. Other fields refer to any field other than the field of rubber strip production equipment technology. The above is merely an example and does not limit the application field of the rubber strip straightening fixture provided by this utility model.

[0050] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0051] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0052] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A tooling for straightening rubber strips, characterized in that, It includes a first fixing member, a first bending member and a second bending member. The first bending member includes a first mounting part and a first abutting part. The second bending member includes a second mounting part and a second abutting part. The first mounting part and the second mounting part are connected to the first fixing member at a distance, and a channel for accommodating the adhesive strip is formed between the first abutting part and the second abutting part. When the adhesive strip is placed inside the channel, the adhesive strip abuts against the first abutting part and the second abutting part, and the contact position between the adhesive strip and the first abutting part is the first contact position, and the contact position between the adhesive strip and the first abutting part is the second contact position. The first contact position and the second contact position are located on both sides of the center line connecting the first abutting part and the second abutting part.

2. The rubber strip straightening fixture according to claim 1, characterized in that, The first fixing member has a first mounting hole and a second mounting hole, the first mounting part is fixedly connected to the first mounting hole, and the second mounting part is fixedly connected to the second mounting hole.

3. The rubber strip straightening fixture according to claim 1, characterized in that, The first mounting part and the second mounting part are bolts, the first abutting part and the second abutting part are cylindrical, and the first abutting part has a threaded hole along the axial direction that mates with the first mounting part, and the second abutting part has a threaded hole along the axial direction that mates with the second mounting part.

4. The rubber strip straightening fixture according to claim 3, characterized in that, The first fastener has a strip-shaped hole along its length, and the first mounting part and the second mounting part are engaged with the inner wall of the strip-shaped hole.

5. The rubber strip straightening fixture according to claim 2, characterized in that, The second mounting part includes a rotating shaft, a first limiting member and a second limiting member. The second abutting part is cylindrical and has a through hole along the axial direction that rotatably engages with the rotating shaft. The first end of the rotating shaft passes through the second mounting hole and is connected to the first limiting member, and the second end of the rotating shaft passes through the through hole and is connected to the second limiting member.

6. The rubber strip straightening fixture according to claim 5, characterized in that, It also includes a second fixing member, which is disposed opposite to the first fixing member, and the first straightening member and the second straightening member are disposed between the first fixing member and the second fixing member; The second fixing member has a first positioning hole and a second positioning hole. The first positioning hole is connected to the first bending member, and the second end of the rotating shaft passes through the second positioning hole and is connected to the second limiting member.

7. The rubber strip straightening fixture according to claim 4, characterized in that, The inner wall of the strip-shaped hole includes a first sidewall and a second sidewall. Both the first sidewall and the second sidewall include multiple recesses and multiple protrusions. The recesses of the first sidewall and the recesses of the second sidewall correspond one-to-one to form a snap-fit ​​groove for snapping the first mounting part and the second mounting part.

8. The rubber strip straightening fixture according to claim 1, characterized in that, The first fixing member also includes a fixing end, which is disposed near the first straightening member and is used to position the first fixing member.

9. The rubber strip straightening fixture according to claim 1, characterized in that, The adhesive strip includes a protrusion, and the first abutting portion has a groove; When the adhesive strip is placed inside the channel, the protrusion is adapted to the groove, and the protrusion is movable along the groove.

10. The rubber strip straightening fixture according to any one of claims 1-9, characterized in that, The outer surfaces of the first bending member and the second bending member are covered with polyurethane.

Images