Suture positioning machine for part skin
By designing a suture positioning machine including a fixed seat, a threading knife and a mobile device, the problem of seam twisting and deformation in the suture processing of automotive soft interior parts is solved, accurate positioning and efficient processing of suture positions are achieved, and product consistency and aesthetics are improved.
Patent Information
- Application Number
- CN202421607339.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-09
AI Technical Summary
During the stitching process of automotive soft interior parts, due to the tensile elasticity of the skin and manual pulling, the stitching is prone to twisting and deforming, resulting in poor product consistency and appearance effect.
Design a suture positioning machine for the skin of the part, including a fixing seat, a wire adapter and a moving device. The bottom end face of the threading knife can fit the 3D irregular curved surface of the part, and the direction is consistent with the suture to be sewn. The moving device can drive the threading knife to move to the corresponding position of the part surface to ensure the accuracy of the suture position.
Through this suture positioning machine, the suture position can be clearly indicated, the suture positioning efficiency and effect can be improved, the suture pulling and deformation can be avoided, and the product consistency and aesthetics can be ensured.
Smart Images
Figure CN222744554U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile interior trim panels, in particular to a stitching positioning machine for a part surface. Background Art
[0002] In the parts of automotive soft interior, the product shape is to pursue a beautiful layered feeling. The common sewing method is to splice the skin to cover the plastic frame, or add a seam on the skin. Due to the ever-changing product shape, the direction of the seam usually follows the 3D curve of the product. As a result, in the process of covering the skin, the seam is prone to distortion due to the stretch elasticity of the skin and manual pulling, and the distortion state cannot be controlled, resulting in poor product consistency and appearance. Therefore, a machine that can locate the seam position is needed to facilitate the seam processing on the skin. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a suture positioning machine for a part skin which can clearly indicate the suture position and has high suture positioning efficiency and good effect in view of the above-mentioned existing technical status.
[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a suture positioning machine for the surface of the part, characterized in that it includes a fixed seat on which the part can be installed, a thread alignment knife that can fit the surface of the part, and a moving device that can drive the thread alignment knife to move to a corresponding position on the surface of the part and position it, the bottom end face of the thread alignment knife is an irregular curved surface that can fit the 3D surface of the part, the direction of the irregular curved surface is consistent with the suture to be sewn on the part, the upper part of the thread alignment knife is connected to the moving device, and the moving device is arranged on the outside of the fixed seat.
[0005] As an improvement, the alignment knife may preferably include a left knife body and a right knife body, the left knife body is tilted backward, and the right knife body is vertically arranged. When the left knife body and the right knife body are moved to the surface of the part, the bottom end face of the left knife body and the bottom end face of the right knife body are spliced to match the complete seam.
[0006] As a further improvement, the right blade body may preferably include a first blade body, a second blade body, and a third blade body, and the bottom end surfaces of the first blade body, the second blade body, and the third blade body are spliced into a curved surface that matches the top surface of the corresponding part.
[0007] As a further improvement, the moving device may preferably include a front moving part and a rear moving part, the front moving part is arranged on the front side of the fixed seat, the front moving part is connected to the left tool body, and the left tool body can be driven by the front moving part to move from front to rear onto the surface of the part, and the rear moving part is arranged on the rear side of the fixed seat, the rear moving part is connected to the right tool body, and the right tool body can be driven by the rear moving part to move from rear to front onto the surface of the part.
[0008] For further improvement, the front movable part may preferably include a front movable seat, a front movable frame, and a front positioning mechanism, wherein the front movable seat is arranged on the front side of the fixed seat, the front movable frame can be slidably arranged on the front movable seat forward and backward, the left tool body is connected to the front movable frame, and the front positioning mechanism is arranged on the front movable frame and can lock the front movable frame when the left tool body is in contact with the surface of the part.
[0009] As a further improvement, the rear movable part may preferably include two rear movable seats, a gantry movable frame, and a rear positioning mechanism, the two rear movable seats are respectively arranged on the sides of the fixed seat, the gantry movable frame is connected to the two rear movable seats so as to be movable forward and backward, the right tool body is connected to the gantry movable frame, and the rear positioning mechanism is arranged on the gantry movable frame and can lock the gantry movable frame when the right tool body is in contact with the surface of the part.
[0010] As a further improvement, three knife body height adjustment mechanisms capable of adjusting the corresponding knife bodies may preferably be provided on the gantry movable frame.
[0011] As a further improvement, the first knife body, the second knife body and the third knife body can preferably be clamped and fixed on the corresponding knife body height adjustment mechanism respectively through corresponding clamping plates.
[0012] As an improvement, the fixing seat may preferably include a fixing base and a profiling block that imitates the bottom surface shape of the component, and the profiling block is fixed on the fixing base.
[0013] As a further improvement, the contour block may preferably include a first block and a second block, and the first block and the second block are respectively provided with limiting recesses capable of engaging with corresponding protrusions of the parts.
[0014] Compared with the prior art, the advantages of the utility model are: the fixing seat of the present application can fix the parts, which is convenient for the surface sewing operation of the parts, the alignment knife can fit the surface of the parts and the bottom surface of the alignment knife is consistent with the direction of the stitches, the alignment knife can not only press the epidermis firmly and fix the stitching processing position, avoid pulling and deformation during stitching processing, and ensure the consistency of the stitching position of the parts, but also can be used as a stitching reference to check the stitching processing position in time, which is convenient for the stitching workers to sew stitches, and achieve the epidermis covering of the surface of the parts more quickly, thereby improving work efficiency and product aesthetics. The moving device can control the movement of the alignment knife. When the alignment knife is not needed, the operator can move the alignment knife out of the part installation position to facilitate the removal and installation of the parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional diagram of an embodiment of the utility model;
[0016] Figure 2 for Figure 1 A three-dimensional diagram after the parts are installed;
[0017] Figure 3 yes Figure 2 A three-dimensional image showing the left tool body fitting the part surface at another angle;
[0018] Figure 4 yes Figure 2 The three-dimensional image after the right blade is removed;
[0019] Figure 5 yes Figure 4 The three-dimensional image after the left blade body is removed;
[0020] Figure 6 yes Figure 4 The structural breakdown diagram of
[0021] Figure 7 yes Figure 4 A magnified view of part I;
[0022] Figure 8 yes Figure 5 Enlarged view of part II;
[0023] Fig. 9 yes Figure 5 Enlarged view of part III. DETAILED DESCRIPTION
[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0025] like Figures 1 to 9 As shown, the suture positioning machine for the part surface of this embodiment includes a fixed seat on which the part 3 can be installed, a thread alignment knife that can fit the surface of the part, and a moving device that can drive the thread alignment knife to move to a corresponding position on the surface of the part and position it. The bottom end face of the thread alignment knife is an irregular curved surface that can fit the 3D surface of the part, and the direction of the irregular curved surface is consistent with the suture to be sewn on the part 3. The upper part of the thread alignment knife is connected to the moving device, and the moving device is arranged on the outside of the fixed seat.
[0026] The fixing seat comprises a fixing base 1 and a profiling block 2 that imitates the bottom surface of the part, and the profiling block 2 is fixed on the fixing base 1. The profiling block 2 comprises a first block and a second block, and the first block and the second block are respectively provided with limiting recesses that can fit the corresponding protrusions of the part. The part is installed on the profiling block 2.
[0027] The alignment knife includes a left knife body 40 and a right knife body, the left knife body 40 is tilted backward, and the right knife body is arranged vertically. When the left knife body 40 and the right knife body are moved to the surface of the part, the bottom end surface of the left knife body 40 and the bottom end surface of the right knife body are spliced to match the complete stitch line. The right knife body includes a first knife body 41, a second knife body 42, and a third knife body 43. The bottom end surfaces of the first knife body 41, the second knife body 42, and the third knife body 43 are spliced to form a curved surface that matches the top surface of the corresponding part.
[0028] The moving device includes a front moving part and a rear moving part, the front moving part is arranged on the front side of the fixed seat, the front moving part is connected to the left tool body 40, and the left tool body 40 can be driven by the front moving part to move from front to rear to the surface of the part, and the rear moving part is arranged on the rear side of the fixed seat, the rear moving part is connected to the right tool body, and the right tool body can be driven by the rear moving part to move from rear to front to the surface of the part.
[0029] The front moving part comprises a front moving seat 5, a front moving frame 51 and a front positioning mechanism 52, wherein the front moving seat 5 is arranged at the front side of the fixed seat. The front moving frame 51 can be arranged on the front moving seat 5 in a sliding manner forward and backward, specifically, a front moving seat slide rail 53 is arranged on the top surface of the front moving seat 5, a front moving seat slider 512 is arranged on the front moving seat slider 53, and the front moving frame 51 is arranged on the front moving seat slider 512. Two front moving seats 5 can be arranged at intervals, and the two front moving seats 5 are both provided with front moving seat slide rails 53, and the front moving seat slider 512 spans across the two front moving group slide rails 53. The upper end of the front moving frame 51 is connected to a directional block 511 that can make the left cutter body 40 obliquely arranged downward. The left cutter body 40 is connected to the front moving frame 51, and the front positioning mechanism 52 is arranged on the front moving frame 51 and can lock the front moving frame 51 when the left cutter body 40 fits the surface of the part. A front positioning hole 521 is provided on the side wall of the front moving seat 5, and the front positioning mechanism 52 is a front locking screw provided on the side wall of the front moving frame 51. The front locking screw is inserted into the corresponding front positioning hole 521 to fix the front moving frame 51. A front baffle plate 50 is provided on the front and rear sides of the front moving seat slide rail 53, respectively, and a front ejector pin is provided on the front baffle plate 50. When the front moving seat slider 512 slides forward and backward, the front moving seat slider 512 can touch the front ejector pin.
[0030] The rear moving part comprises two rear moving seats 6, a gantry moving frame 61, and a rear positioning mechanism 62. The two rear moving seats 6 are respectively arranged on the left and right sides of the fixed seat. The two rear moving seats 6 are respectively provided with rear moving seat slide rails 63, and a rear moving seat slider 612 is arranged on the rear moving seat slide rail 63. The gantry moving frame 61 spans the two rear moving seat sliders 612, and a detachable top cross bar 611 is arranged on the top of the gantry moving frame 61. The rear positioning mechanism 62 is arranged on the gantry moving frame 61 and can lock the gantry moving frame 61 when the right cutter body fits the surface of the part. Rear positioning holes 621 are respectively arranged on the two rear moving seats 6, and the rear positioning mechanism 62 is a rear locking screw arranged on the side wall of the rear moving frame 61. The rear locking screw is inserted into the corresponding rear positioning hole 621 to fix the rear moving frame 61. A rear baffle 60 is respectively arranged on the front and rear sides of the rear moving slide rail 63, and a rear ejector pin is arranged on the rear baffle 60. When the rear movable seat slider 612 slides forward and backward, the rear movable seat slider 612 can touch the rear ejector pin. The right cutter body is connected to the gantry movable frame 61, and three cutter body height adjustment mechanisms capable of adjusting the corresponding cutter bodies are arranged on the gantry movable frame 61. The first cutter body 41, the second cutter body 42, and the third cutter body 43 are clamped and fixed on the corresponding cutter body height adjustment mechanism through the corresponding clamping plate 44 respectively. The specific structure of the cutter head height adjustment mechanism belongs to the prior art, so it will not be described in detail. When the handle 613 of the cutter body height adjustment mechanism is pushed forward to a horizontal position, the corresponding cutter body is lifted and separated from the surface of the part. When the handle 613 is pushed backward to a horizontal position, the corresponding cutter body is pressed down and fits with the surface of the part. When the handle 613 is pushed, the two guide columns 614 of the cutter body height adjustment mechanism are not fixed first. After the handle adjustment is completed, the two guide columns 614 are locked by a clamp. The directional block 511 of the front moving part is also provided with a cutter body height adjustment mechanism of the same structure, and the left cutter body 40 is connected to the cutter body height adjustment mechanism of the directional block 511.
[0031] Working principle: Install the part on the fixed seat, move the left and right cutter bodies to the corresponding positions on the part surface through the moving device, and make the cutter bodies fit the corresponding part surface through the cutter body height adjustment mechanism. The operator can sew seams on the surface of the part or sew the surface at the seam position according to the direction of the alignment knife.
Claims
1. A suture positioning machine for a part surface, characterized in that: It comprises a fixed seat capable of mounting a part (3), a thread alignment knife capable of fitting the surface of the part, and a moving device capable of driving the thread alignment knife to move to a corresponding position on the surface of the part and positioning the same, wherein the bottom end face of the thread alignment knife is an irregular curved surface capable of fitting the 3D surface of the part, the direction of the irregular curved surface is consistent with the seam to be sewn on the part (3), the upper part of the thread alignment knife is connected to the moving device, and the moving device is arranged on the outside of the fixed seat.
2. The suture positioning machine according to claim 1, characterized in that: The alignment knife comprises a left knife body (40) and a right knife body, wherein the left knife body (40) is tilted backwards and the right knife body is arranged vertically. When the left knife body (40) and the right knife body are both moved onto the surface of the part, the bottom end surface of the left knife body (40) is spliced with the bottom end surface of the right knife body to match the complete stitching.
3. The suture positioning machine according to claim 2, characterized in that: The right blade body comprises a first blade body (41), a second blade body (42), and a third blade body (43); the bottom end surfaces of the first blade body (41), the second blade body (42), and the third blade body (43) are spliced into a curved surface that matches the top surface of the corresponding part.
4. The suture positioning machine according to claim 3, characterized in that: The moving device comprises a front moving part and a rear moving part, wherein the front moving part is arranged at the front side of the fixed seat, the front moving part is connected to the left knife body (40), and the left knife body (40) can be driven by the front moving part to move from front to rear onto the surface of the part, and the rear moving part is arranged at the rear side of the fixed seat, the rear moving part is connected to the right knife body, and the right knife body can be driven by the rear moving part to move from rear to front onto the surface of the part.
5. The suture positioning machine according to claim 4, characterized in that: The front moving part comprises a front moving seat (5), a front moving frame (51), and a front positioning mechanism (52); the front moving seat (5) is arranged on the front side of the fixed seat; the front moving frame (51) is arranged on the front moving seat (5) so as to be slidable forward and backward; the left cutter body (40) is connected to the front moving frame (51); and the front positioning mechanism (52) is arranged on the front moving frame (51) and can lock the front moving frame (51) when the left cutter body (40) is in contact with the surface of a part.
6. The suture positioning machine according to claim 5, characterized in that: The rear moving part comprises two rear moving seats (6), a gantry moving frame (61), and a rear positioning mechanism (62); the two rear moving seats (6) are respectively arranged on the side of the fixed seat; the gantry moving frame (61) is connected to the two rear moving seats (6) so as to be movable forward and backward; the right cutter body is connected to the gantry moving frame (61); and the rear positioning mechanism (62) is arranged on the gantry moving frame (61) and can lock the gantry moving frame (61) when the right cutter body is in contact with the surface of the part.
7. The suture positioning machine according to claim 6, characterized in that: Three knife body height adjustment mechanisms capable of adjusting the corresponding knife bodies are arranged on the gantry movable frame (61).
8. The suture positioning machine according to claim 7, characterized in that: The first knife body (41), the second knife body (42), and the third knife body (43) are respectively clamped and fixed on corresponding knife body height adjustment mechanisms through corresponding clamping plates (44).
9. The suture positioning machine according to any one of claims 1 to 8, characterized in that: The fixing seat comprises a fixing base (1) and a profiling block (2) that imitates the bottom surface shape of the part, and the profiling block (2) is fixed on the fixing base (1).
10. The suture positioning machine according to claim 9, characterized in that: The profiling block (2) comprises a first block and a second block, and the first block and the second block are respectively provided with limiting recesses capable of engaging with corresponding protrusions of the parts.