Edge banding machine edge trimming mechanism

Abstract

The present invention provides a strip trimming mechanism for an edge banding machine, comprising a fixed seat, a first profiling wheel assembly, a second profiling wheel assembly, and a scraper assembly. The fixed seat includes a vertically extending scraper mounting groove. The first profiling wheel assembly includes a first profiling wheel vertically and rotatably disposed on the right side of the fixed seat. The second profiling wheel assembly includes a second profiling wheel horizontally and rotatably disposed on the bottom side of the fixed seat. The scraper assembly is disposed on the fixed seat and includes a blade holder and a blade. The blade holder includes a vertical section and an inclined section connected to each other. The vertical section is vertically movably disposed in the scraper mounting groove, and the blade is disposed at the end of the inclined section. The design of the strip trimming mechanism allows for rapid adjustment of the position of the scraper and its associated profiling wheel.

Description

Technical Field

[0001] The present invention relates to an edge strip finishing mechanism of an edge banding machine, and in particular to an edge strip finishing mechanism capable of controlling the position of a tool in a relatively simple manner. Background Art

[0002] Traditional edge banding machines can refer to Figure 1 , which discloses an edge banding machine 1, which includes a base 10, a set of slide rails 20, a positioning pressure wheel group (not shown) and multiple other mechanisms (including a pre-milling mechanism 30, a gluing mechanism 40, an edge strip conveying mechanism 50, a horizontal pressure wheel group 60 and an edge strip finishing mechanism 70). The slide rail 20 is movably arranged on the base 10, and the positioning pressure wheel group is arranged above the slide rail 20. The workpiece to be processed (not shown) is clamped between the slide rail 20 and the positioning pressure wheel group and can be moved. The pre-milling mechanism 30 will perform preliminary processing on the surface of the workpiece, the gluing mechanism 40 will glue the surface of the workpiece, and the edge strip conveying mechanism 50 is used to convey the edge strip to the glued workpiece. The edge banding machine 1 then uses a tool 51 to cut the edge strip, and uses the horizontal pressure wheel group 60 to press the cut edge strip to the workpiece, so that the cut edge strip can be tightly bonded to the glued workpiece. Finally, the edge banding machine 1 further trims the end edge of the edge strip through the edge strip finishing mechanism 70 , thereby chamfering the end edge of the edge strip.

[0003] During the trimming process using the edge strip finishing mechanism 70, a profiling wheel is required to maintain the scraper of the edge strip finishing mechanism 70 in a fixed position relative to the workpiece to avoid cosmetic defects on the edge of the edge strip during the trimming process. As far as the inventors are aware, conventional scrapers are linear rod-shaped structures, arranged at a 45-degree angle relative to the ground. Furthermore, conventional scraper adjustment is performed along the linear extension direction of the scraper. Therefore, once the position of the scraper is adjusted, the coordinate position of two dimensions of the scraper tip will inevitably change simultaneously. This requires the technician of the edge banding machine 1 to subsequently calibrate the position of the profiling wheel accordingly, causing calibration difficulties. It can be seen that the structural design of the edge strip finishing mechanism 70 of the existing edge banding machine 1 is not perfect and there is still room for improvement. Summary of the Invention

[0004] One of the purposes of the present invention is to improve the deficiencies of the existing edge banding machine's edge strip finishing mechanism, and then propose a new structural design of the edge banding machine's edge strip finishing mechanism, which can quickly and conveniently adjust the position of the scraper and its related profiling wheel, reducing the trouble of calibrating the scraper and the profiling wheel.

[0005] Therefore, the present invention provides a trimming mechanism for an edge banding machine, which is used for workpieces with trimming adhered thereto. The trimming mechanism comprises a fixed base, a first contour wheel assembly, a second contour wheel assembly, and a scraper assembly. The fixed base includes a vertically extending scraper mounting slot. The first contour wheel assembly comprises a first contour wheel, which is vertically and rotatably mounted on the right side of the fixed base. The second contour wheel assembly comprises a support frame, a second contour wheel, and a second adjustment screw. The support frame is horizontally movably mounted on the bottom side of the fixed base, and the second contour wheel is horizontally and rotatably mounted on the end of the support frame. The scraper assembly is mounted on the fixed base and is used to trim the end edge of the trimming strip. The scraper assembly comprises a blade holder and a blade. The blade holder comprises a vertical section and an inclined section. The vertical section is vertically movably mounted in the scraper mounting slot. The inclined section is connected to the lower end of the vertical section and extends toward the intersection between the first and second contour wheels. The blade is located at the end of the inclined section. The fixing seat further has a lower screw hole, and the second adjusting screw is screwed into the lower screw hole of the fixing seat and the end thereof is connected to the support frame.

[0006] In this way, when the position of the scraper assembly needs to be adjusted for edge banding operations on workpieces of different sizes, the edge banding machine technician only needs to adjust the scraper assembly up and down along the scraper mounting groove. During the adjustment process, only the coordinates of one dimension of the scraper tip will be changed, so that the edge banding machine technician only needs to adjust the position of the first profiling wheel accordingly to complete the calibration of the entire edge strip finishing mechanism, and can quickly and conveniently adjust the position of the scraper and its related profiling wheel, effectively reducing the trouble of calibrating the scraper and profiling wheel.

[0007] In one aspect, the edge strip trimming mechanism may be an upper trimming mechanism or a lower trimming mechanism to perform trimming operations on the upper end edge or the lower end edge of the edge strip respectively.

[0008] In another aspect, the fixing seat further has an upper screw hole, and the scraper assembly further includes a first adjusting screw, which is screwed into the upper screw hole of the fixing seat and has an end connected to the blade seat.

[0009] Specifically, the scraper assembly further includes a first displacement sensor, which is disposed on the first adjusting screw and measures the vertical displacement of the first adjusting screw.

[0010] In another aspect, the trimming mechanism further comprises a support frame and a second adjustment screw, wherein the support frame is horizontally movably mounted on the fixed base. A second contouring wheel is rotatably mounted on the end of the support frame, and the fixed base further comprises a lower screw hole. The second adjustment screw is screwed into the lower screw hole of the fixed base and its end is connected to the support frame.

[0011] Specifically, the second contour wheel assembly further includes a second displacement sensor, which is disposed on the second adjusting screw and measures the horizontal displacement of the second adjusting screw.

[0012] In another aspect, the fixing seat is provided with a fixing screw hole, the vertical section is provided with an elongated hole, and the fixing screw passes through the elongated hole and is screwed into the fixing screw hole, thereby adjusting the position of the scraper assembly.

[0013] In another aspect, the first contour wheel assembly includes a plurality of first contour wheels and a fixing member, wherein the fixing member is vertically movably disposed on a fixing seat, and the plurality of first contour wheels are vertically and rotatably disposed on the fixing member, and the plurality of first contour wheels are located at the same preset height.

[0014] In another aspect, the scraper installation groove has a first inner wall and a second inner wall that are arranged opposite to each other, and the outer peripheral surface of the blade seat is in contact with the first inner wall and the second inner wall at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of commonly used edge banding machines;

[0016] Figure 2 3D is a perspective view of an edge strip finishing mechanism of an edge banding machine according to an embodiment;

[0017] Figure 3 yes Figure 2 Side view of

[0018] Figure 4 yes Figure 2 a bottom view of the

[0019] Figure 5 Schematic diagram of the use of the edge strip finishing mechanism of the embodiment.

[0020] Description of Reference Numerals

[0021] Prior Art:

[0022] 1: Edge banding machine

[0023] 10: base body

[0024] 20: Slide rail

[0025] 30: Pre-milling mechanism

[0026] 40: Gluing mechanism

[0027] 50: Edge strip transmission mechanism

[0028] 51: Knife

[0029] 60: Horizontal pressure wheel group

[0030] 70: Edge trimming mechanism

[0031] Embodiments of the present invention:

[0032] 10: Edge trimming mechanism

[0033] 20: Fixed seat

[0034] 21: Guide rod

[0035] 22: Scraper installation slot

[0036] 221: First inner wall

[0037] 222: Second inner wall

[0038] 23: Fixing screw hole

[0039] 24: Lower screw hole

[0040] 25: Upper screw hole

[0041] 30: First contour wheel assembly

[0042] 31: First profiling wheel

[0043] 32: Fixing parts

[0044] 40: Second contour wheel assembly

[0045] 41: Second contour wheel

[0046] 42: Support frame

[0047] 421: First paragraph

[0048] 422: Second paragraph

[0049] 423: Long hole

[0050] 43: Second adjusting screw

[0051] 44: Second displacement sensor

[0052] 45: handle

[0053] 50: Scraper assembly

[0054] 51: Knife holder

[0055] 511: Vertical segment

[0056] 512: inclined section

[0057] 513: Long hole

[0058] 52: Blade

[0059] 53: First adjusting screw

[0060] 54: First displacement sensor

[0061] B: Edge strips

[0062] W: workpiece

[0063] P: Positioning pressure wheel group

[0064] R: Slide rail

[0065] S: screw DETAILED DESCRIPTION

[0066] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0067] The following describes in detail the technical content and features of the present invention through several embodiments listed below in conjunction with the drawings. Directional descriptive terms such as "upper", "lower", "inner", "outer", "top", and "bottom" mentioned in this specification are merely illustrative descriptive terms based on normal usage directions and are not intended to limit the scope of protection of the claims.

[0068] In order to explain the technical features of the present invention in detail, the following embodiments are given and illustrated. For the convenience of describing the following embodiments, the workpiece W is located on the right side of the edge strip finishing mechanism 10 as a direction reference.

[0069] like Figure 2 As shown, an edge trimming mechanism 10 of an edge banding machine provided in the embodiment is applied to a workpiece W with an edge strip B attached thereto (see Figure 5 ), thereby chamfering the top, bottom, front, and rear ends of the edge strip B. The workpiece W is placed on a set of slide rails R and a set of positioning rollers P abuts against the top surface of the workpiece W. The workpiece W is moved by the set of slide rails R and the set of positioning rollers P.

[0070] Please refer to Figures 2 to 5 The strip trimming mechanism 10 includes a fixing base 20 , a first profiling wheel assembly 30 , a second profiling wheel assembly 40 and a scraper assembly 50 .

[0071] The mounting base 20 is used to mount the first contour wheel assembly 30, the second contour wheel assembly 40, and the scraper assembly 50. The mounting base 20 is fixed to the base of the edge banding machine. Two vertically extending guide rods 21 are located on the right side of the mounting base 20, and a scraper mounting slot 22 is located on the front side. The scraper mounting slot 22 extends vertically and has a first inner wall 221 and a second inner wall 222 that are arranged opposite each other. "Vertically extending" means extending upward relative to the ground.

[0072] The first contour wheel assembly 30 includes five first contour wheels 31 and a fixing member 32. These first contour wheels 31 are vertically and rotatably mounted on the fixing member 32 and are located on the right side of the fixing base 20. The fixing member 32 is vertically movably mounted on the two guide rods 21. "Vertically mounted on the fixing member 32" means that the axes of rotation of these first contour wheels 31 are parallel to the ground, the lower ends of these first contour wheels 31 slightly protrude below the fixing member 32, and all of these first contour wheels 31 are located at the same predetermined height. The first contour wheels 31 contact the upper surface of the workpiece W and are used to determine the position of the upper reference surface of the workpiece W.

[0073] The second profiling wheel assembly 40 includes a second profiling wheel 41, a support frame 42, a second adjustment screw 43, and a second displacement sensor 44. The second profiling wheel 41 is horizontally and rotatably mounted on the bottom side of the fixing base 20. The second profiling wheel 41 contacts the surface of the edge strip B to determine the position of a reference surface of the workpiece W to which the edge strip B is attached. Figure 3 and Figure 4 As shown, the term "horizontally disposed on the fixed base 20" means that the axis of the rotation axis of the second contour wheel 41 is perpendicular to the ground. A support frame 42 is horizontally movably disposed on the fixed base 20. The support frame 42 comprises a first section 421 and a second section 422 connected to each other. The first section 421 extends from front to back, and the second section 422 extends from right to left. The extension direction of the first section 421 is perpendicular to the extension direction of the second section 422. The second contour wheel 41 is rotatably disposed at the end of the first section 421 of the support frame 42. The fixed base 20 also has a lower screw hole 24. A second adjustment screw 43 screws into the lower screw hole 24 of the fixed base 20 and is connected to the second section 422 of the support frame 42 at its end. A handle 45 is provided at the other end of the second adjustment screw 43. A second displacement sensor 44 is disposed on the second adjustment screw 43 to measure the horizontal displacement of the second adjustment screw 43. By turning the handle 45, the screw 42 can be driven to move horizontally, thereby adjusting the position of the second contour wheel 41. In order to effectively fix the support frame 42, a long hole 423 is provided in the second section 422 of the support frame 42, and a screw hole (covered by the screw S) is provided on the bottom side of the fixing base 20. The position of the screw hole corresponds to the long hole 423. The screw S passes through the long hole 423 and is screwed into the screw hole of the fixing base 20, so that the support frame 42 can be fixed to the fixing base 20 through the screw S after the position is adjusted.

[0074] Please refer to Figure 3 and Figure 5. The scraper assembly 50 is arranged on the fixed seat 20 and is used to trim the end edge of the edge strip B. The end edge of the edge strip B can be the upper end edge, the lower end edge, the front end edge or the rear end edge of the edge strip B. The scraper assembly 50 structurally includes a knife seat 51, a blade 52, a first adjustment screw 53 and a first displacement sensor 54. The knife seat 51 includes a vertical section 511 and an inclined section 512. The vertical section 511 is vertically movably arranged in the scraper mounting groove 22, and the outer peripheral surface of the knife seat 51 is simultaneously in contact with the first inner wall 221 and the second inner wall 222 of the scraper mounting groove 22. The inclined section 512 is connected to the lower end of the vertical section 511 and extends toward the intersection between the first profiling wheel 31 and the second profiling wheel 41. The blade 52 is arranged at the end of the inclined section 512. When the blade 52 and the knife seat 51 are adjusted to the position corresponding to the upper edge E of the edge strip B, in order to effectively fix the knife seat 51, an elongated hole 513 (such as Figure 5 As shown), and a fixing screw hole 23 is provided on the fixing seat 20 (located at Figure 5 A fixing screw (not shown) passes through the elongated hole 513 and screws into the fixing screw hole 23, securing the blade holder 51 to the scraper mounting slot 22 of the fixing base 20. A first adjustment screw 53 screws into the upper screw hole 25 of the fixing base 20 and is connected to the blade holder 51 at its distal end. A first displacement sensor 54 is mounted on the first adjustment screw 53 and measures its vertical displacement.

[0075] Please refer to Figure 5 Through the structural design of the edge strip finishing mechanism 101 of the present embodiment, when the position of the scraper assembly 50 needs to be adjusted for edge banding operations on workpieces W of different sizes, the edge banding machine technician only needs to rotate the first adjustment screw 53 to adjust the blade holder 51 of the scraper assembly 50 together with the blade 52 up and down along the scraper mounting slot 22. During the adjustment process, only the coordinate of one dimension of the tip of the blade 52 is changed (that is, the blade 52 only moves vertically), so that the edge banding machine technician only needs to adjust the position of the first profiling wheel 31 accordingly to complete the calibration operation of the entire edge strip finishing mechanism 10, thereby quickly and conveniently adjusting the positions of the scraper assembly 50 and the second profiling wheel 41, effectively reducing the trouble of calibrating the scraper assembly 50 and the second profiling wheel 41.

[0076] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An edge strip finishing mechanism for an edge banding machine, used for workpieces with edge strips attached, characterized in that: The edge strip finishing mechanism comprises: A fixing seat comprising a scraper mounting groove, wherein the scraper mounting groove extends vertically; A first contour wheel assembly includes a first contour wheel, wherein the first contour wheel is vertically and rotatably disposed on the right side of the fixing seat; A second contour wheel assembly includes a support frame, a second contour wheel, and a second adjustment screw, wherein the support frame is horizontally movably disposed on the bottom side of the fixing base, and the second contour wheel is horizontally and rotatably disposed on the end of the support frame; a scraper assembly, disposed on the fixed seat and used to trim the end edge of the edge strip, the scraper assembly comprising a blade holder and a blade, the blade holder comprising a vertical section and an inclined section, the vertical section being vertically movably disposed in the scraper mounting slot, the inclined section being connected to the lower end of the vertical section and extending toward the intersection between the first profiling wheel and the second profiling wheel, the blade being disposed at the end of the inclined section; Wherein, the fixing seat further has a lower screw hole, the second adjusting screw is screwed into the lower screw hole of the fixing seat and the end thereof is connected to the support frame; The fixing base further has an upper screw hole, and the scraper assembly further includes a first adjusting screw, which is screwed into the upper screw hole of the fixing base and has an end connected to the blade base; The fixing seat is provided with a fixing screw hole, the vertical section is provided with an elongated hole, and the fixing screw passes through the elongated hole and is screwed into the fixing screw hole; The scraper installation groove has a first inner wall and a second inner wall that are arranged opposite to each other, and the outer peripheral surface of the blade seat is in contact with the first inner wall and the second inner wall at the same time.

2. The edge strip finishing mechanism of the edge banding machine according to claim 1, characterized in that: The scraper assembly further includes a first displacement sensor, which is disposed on the first adjusting screw and measures a vertical displacement of the first adjusting screw.

3. The edge strip finishing mechanism of the edge banding machine according to claim 1, characterized in that: The second contour wheel assembly further includes a second displacement sensor, which is disposed on the second adjusting screw and measures the horizontal displacement of the second adjusting screw.

4. The edge strip finishing mechanism of the edge banding machine according to claim 1 or 3, characterized in that: The support frame has a first section and a second section, the first section is connected to the second section, the extending direction of the first section is perpendicular to the extending direction of the second section, the second contour wheel is rotatably provided on the first section, and the second adjusting screw is connected to the second section.

5. The edge strip finishing mechanism of the edge banding machine according to claim 4, characterized in that: The second section also has an elongated hole. A screw hole is provided on the bottom side of the fixing seat. The position of the screw hole corresponds to the elongated hole. A screw passes through the elongated hole of the second section and is screwed into the screw hole.

6. The edge strip finishing mechanism of the edge banding machine according to claim 1, characterized in that: The first contour wheel assembly includes a plurality of first contour wheels and a fixing member. The fixing member is vertically movably arranged on the fixing seat. The plurality of first contour wheels are vertically and rotatably arranged on the fixing member. The plurality of first contour wheels are located at the same preset height.

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