Automatic bone reversing device for sewing machine

Abstract

The present invention discloses an automatic bone-reversing device for a sewing machine, comprising a base, a support, a cloth-pressing mechanism and a bone-reversing mechanism, wherein an upper end surface of one side of the base is provided with an L-shaped support, a lower end surface of the support is provided with a cloth-pressing mechanism, and a bone-reversing mechanism is provided below the other side of the base, and the bone-reversing mechanism is provided with a bone-reversing block, and the rear end of the bone-reversing block is connected to a bone-reversing block bracket, and the lower end of the bone-reversing block bracket is connected to a third driving device, wherein the third driving device is used to drive the bone-reversing block to move in the Z-axis direction; the lower end of the third driving device is connected to the first driving device, wherein the first driving device is used to drive the bone-reversing block to move in the X-axis direction; the other end of the first driving device is connected to the second driving device, wherein the second driving device is used to drive the bone-reversing block to move in the Y-axis direction. Compared with the prior art, the beneficial effects of the present invention are: the cloth is pressed by the cloth-pressing mechanism, and the bone position of the cloth can be automatically reversed by the bone-reversing mechanism, which saves time and effort.

Description

Technical Field

[0001] The invention relates to the field of sewing machines, in particular to an automatic bone-reversing device for sewing machines. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interwoven or sewn together. However, the presser foot lifting and stitching actions of traditional sewing machines require manual operation. With the development of technology, traditional sewing machines are not only cumbersome to operate, but also have certain requirements on the workers' operating level, which can easily lead to low production efficiency, increase labor costs and time costs, and result in low economic benefits. Summary of the Invention

[0003] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0004] The invention relates to an automatic bone-reversing device for a sewing machine, comprising a base, a support, a cloth-pressing mechanism and a bone-reversing mechanism. The upper end surface of one side of the base is provided with an upwardly rising "L"-shaped support, the lower end surface of the support is provided with a cloth-pressing mechanism and a sewing needle for pressing cloth, the cloth-pressing mechanism comprises a middle presser foot cylinder and a middle presser foot, one end of the middle presser foot cylinder is connected to the lower end surface of the support, the other end of the middle presser foot cylinder is connected to the middle presser foot, the middle presser foot cylinder is used to control the vertical lifting and lowering of the rear of the middle presser foot, a bone-reversing mechanism is provided below the other side of the base, the bone-reversing mechanism is provided with a bone-reversing block, the rear end of the bone-reversing block is connected to the bone-reversing block bracket, and the middle presser foot cylinder is used to control the lifting and lowering of the rear of the middle presser foot. The lower end of the inverted bone block bracket is connected to the third driving device, wherein the third driving device is used to drive the inverted bone block to move in the Z-axis direction; the lower end of the third driving device is connected to the first driving device, wherein the first driving device is used to drive the inverted bone block to move in the X-axis direction; the other end of the first driving device is connected to the second driving device, wherein the second driving device is used to drive the inverted bone block to move in the Y-axis direction, the second driving device is connected by a snap connection to one end of the "L"-shaped secondary support plate, the other end of the secondary support plate is connected by a snap connection to the "L"-shaped main support plate, and the lower end of the main support plate is connected to the side end surface below the base.

[0005] The first driving device includes a first inverted cylinder, a first bracket, a first mounting seat and a first sliding plate. The piston rod of the first inverted cylinder slides in the X-axis direction. The middle part of the first inverted cylinder is connected to the first bracket. The first bracket is installed on the lower end surface of the first mounting seat. The side end surface of the first mounting seat is installed with the first sliding plate.

[0006] The second driving device includes a second inverted cylinder, a second bracket, a second mounting seat and a second sliding plate. The piston rod of the second inverted cylinder slides in the Y-axis direction. The middle part of the second inverted cylinder is connected to the second bracket. The second bracket is installed on the side end surface of the second mounting seat. The upper end surface of the second mounting seat is installed with a second sliding plate.

[0007] The third driving device includes a third inverted cylinder, a third bracket, a third mounting seat, a third mounting plate and a third sliding plate. The piston rod of the third inverted cylinder slides in the Z-axis direction. The upper end of the piston rod of the third inverted cylinder is connected to the third bracket. The side end surface of the third inverted cylinder is connected to the third mounting seat. The third mounting plate is installed in the middle of the upper end of the third mounting seat, and the side end of the third mounting plate is provided with a third sliding plate.

[0008] The front end of the piston rod of the first bone-turning cylinder in the first driving device is connected to the lower end of the third mounting seat in the third driving device. At the same time, the front end of the piston rod of the second bone-turning cylinder in the second driving device is connected to the side end surface of the first mounting seat in the first driving device.

[0009] Compared with the prior art, the beneficial effects of the present invention are: the cloth is pressed tightly by the cloth pressing mechanism, and the bone position of the cloth can be automatically reversed by the bone reverse mechanism, which saves time and labor.

[0010] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2 It is a structural schematic diagram of the cloth pressing mechanism of the present invention.

[0013] Figure 3 It is a structural schematic diagram of the bone-reversing mechanism of the present invention.

[0014] Figure 4 It is a structural schematic diagram of the first driving device of the present invention.

[0015] Figure 5 It is a structural schematic diagram of the second driving device of the present invention.

[0016] Figure 6 It is a schematic structural diagram of the third driving device of the present invention.

[0017] In the figure: 1. base, 2. support, 3. cloth pressing mechanism, 31. middle presser foot cylinder, 32. middle presser foot, 4. sewing needle, 5. bone-inverting mechanism, 6. bone-inverting block, 7. bone-inverting block bracket, 8. third driving device, 81. third bone-inverting cylinder, 82. third bracket, 83. third mounting seat, 84. third mounting plate, 85. third sliding plate, 9. first driving device, 91. first bone-inverting cylinder, 92. first bracket, 93. first mounting seat, 94. first sliding plate, 10. second driving device, 101. second bone-inverting cylinder, 102. second bracket, 103. second mounting seat, 104. second sliding plate, 11. secondary support plate, 12. main support plate. DETAILED DESCRIPTION

[0018] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0019] See also Figures 1 to 6 In the embodiment of the present invention, an automatic bone-reversing device for a sewing machine includes a base 1, a support 2, a cloth-pressing mechanism 3 and a bone-reversing mechanism 5. The upper end surface of one side of the base 1 is provided with an upwardly rising "L"-shaped support 2, the lower end surface of the support 2 is provided with a cloth-pressing mechanism 3 and a sewing needle 4, and the lower side of the other side of the base 1 is provided with a bone-reversing mechanism 5. The bone-reversing mechanism 5 is provided with a bone-reversing block 6, and the rear end of the bone-reversing block 6 is connected to a bone-reversing block bracket 7. The lower end of the bone-reversing block bracket 7 is connected to a third driving device 8, wherein the third driving device 8 is used to drive the bone-reversing block to move Move in the Z-axis direction; the lower end of the third drive device 8 is connected to the first drive device 9, wherein the first drive device 9 is used to drive the inverted bone block to move in the X-axis direction; the other end of the first drive device 9 is connected to the second drive device 10, wherein the second drive device 10 is used to drive the inverted bone block to move in the Y-axis direction, and the second drive device 10 is snap-connected to one end of an "L"-shaped secondary support plate 11, and the other end of the secondary support plate 11 is snap-connected to an "L"-shaped main support plate 12, and the lower end of the main support plate 12 is connected to the side end surface below the base 1.

[0020] like Figure 2As shown, the cloth pressing mechanism 3 includes a middle presser foot cylinder 31 and a middle presser foot 32. One end of the middle presser foot cylinder 31 is connected to the lower end surface of the bracket 2, and the other end of the middle presser foot cylinder 31 is connected to the rear of the middle presser foot 32. The middle presser foot cylinder 31 is used to control the vertical lifting and lowering of the rear of the middle presser foot 32, and the middle presser foot can be lifted at any time. When the bone-turning action starts to be executed, the bone position sensor detects the bone position and executes the bone-turning empty feeding distance to send the bone position of the cloth to the rear of the middle presser foot 32. The middle presser foot cylinder 31 is turned on, and the middle presser foot 32 is pressed down, which can effectively press the cloth.

[0021] like Figure 4 As shown, the first driving device 9 includes a first bone-turning cylinder 91, a first bracket 92, a first mounting seat 93 and a first sliding plate 94. The piston rod of the first bone-turning cylinder 91 slides in the X-axis direction. The middle part of the first bone-turning cylinder 91 is connected to the first bracket 92. The first bracket 92 is installed on the lower end surface of the first mounting seat 93. The side end surface of the first mounting seat 93 is installed with the first sliding plate 94.

[0022] like Figure 5 As shown, the second driving device 10 includes a second inverted cylinder 101, a second bracket 102, a second mounting seat 103 and a second sliding plate 104. The piston rod of the second inverted cylinder 101 slides in the Y-axis direction. The middle part of the second inverted cylinder 101 is connected to the second bracket 102. The second bracket 102 is installed on the side end face of the second mounting seat 103. The second sliding plate 104 is installed on the upper end face of the second mounting seat 103.

[0023] like Figure 6 As shown, the third driving device 8 includes a third inverted cylinder 81, a third bracket 82, a third mounting seat 83, a third mounting plate 84 and a third sliding plate 85. The piston rod of the third inverted cylinder 81 slides in the Z-axis direction. The upper end of the piston rod of the third inverted cylinder 81 is connected to the third bracket 82. The side end surface of the third inverted cylinder 81 is connected to the third mounting seat 83. The third mounting plate 84 is installed in the middle of the upper end of the third mounting seat 83. The side end of the third mounting plate 84 is provided with a third sliding plate 85.

[0024] like Figure 3 As shown, the front end of the piston rod of the first bone-turning cylinder 91 in the first driving device 9 is connected to the lower end of the third mounting seat 83 in the third driving device 8, and the inner edge of the third mounting seat 83 is connected to the first sliding plate 94. When the piston rod of the first driving device 9 moves in the X-axis direction, it will drive the third mounting seat 83 to slide in the X-axis direction, thereby driving the bone-turning block 6 to move in the X-axis direction, thereby achieving the effect of sending the bone-turning block 6 to the cloth bone-turning position.

[0025] At the same time, the front end of the piston rod of the second bone-reversing cylinder 101 in the second driving device 10 is connected to the side end face of the first mounting seat 93 in the first driving device 9, and the first mounting seat 93 is connected to the second sliding plate 104. When the piston rod of the second driving device 10 moves in the Y-axis direction, it will drive the first mounting seat 93 to slide in the Y-axis direction, thereby driving the bone-reversing block 6 to move in the Y-axis direction, which can achieve the effect of reversing the fabric bone position through the bone-reversing block.

[0026] After the bone-turning action is completed, the middle presser foot cylinder 31 is closed, the middle presser foot 32 is lifted, and the cloth bone position is sent from the rear of the middle presser foot 32 to the front of the middle presser foot 32 through the cloth feeding wheel.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An automatic bone-reversing device for a sewing machine, comprising a base, a support, a cloth-pressing mechanism and a bone-reversing mechanism, characterized in that: The upper end surface of one side of the base is provided with a support that rises upward in an "L" shape, and the lower end surface of the support is provided with a cloth pressing mechanism and a sewing needle that can be used for pressing cloth, the cloth pressing mechanism includes a middle presser foot cylinder and a middle presser foot, one end of the middle presser foot cylinder is connected to the lower end surface of the bracket, and the other end of the middle presser foot cylinder is connected to the middle presser foot, and the middle presser foot cylinder is used to control the vertical lifting of the rear of the middle presser foot, and a bone-falling mechanism is provided below the other side of the base, and the bone-falling mechanism is provided with a bone-falling block, and the rear end of the bone-falling block is connected to the bone-falling block bracket, and the lower end of the bone-falling block bracket is connected to the third driving device The third driving device is connected to each other, wherein the third driving device is used to drive the inverted bone block to move in the Z-axis direction; the lower end of the third driving device is connected to the first driving device, wherein the first driving device is used to drive the inverted bone block to move in the X-axis direction; the other end of the first driving device is connected to the second driving device, wherein the second driving device is used to drive the inverted bone block to move in the Y-axis direction, the second driving device is connected to one end of the "L"-shaped secondary support plate by a snap, the other end of the secondary support plate is connected to the "L"-shaped main support plate by a snap, and the lower end of the main support plate is connected to the side end surface below the base; The first driving device includes a first inverted cylinder, a first bracket, a first mounting seat and a first sliding plate. The piston rod of the first inverted cylinder slides in the X-axis direction. The middle part of the first inverted cylinder is connected to the first bracket. The first bracket is mounted on the lower end surface of the first mounting seat. The side end surface of the first mounting seat is mounted with the first sliding plate. The second driving device includes a second inverted cylinder, a second bracket, a second mounting seat and a second sliding plate, the piston rod of the second inverted cylinder slides in the Y-axis direction, the middle part of the second inverted cylinder is connected to the second bracket, the second bracket is mounted on the side end surface of the second mounting seat, and the upper end surface of the second mounting seat is mounted with the second sliding plate; The third driving device includes a third inverted bone cylinder, a third bracket, a third mounting seat, a third mounting plate and a third sliding plate. The piston rod of the third inverted bone cylinder slides in the Z-axis direction. The upper end of the piston rod of the third inverted bone cylinder is connected to the third bracket. The side end surface of the third inverted bone cylinder is connected to the third mounting seat. The middle part of the upper end of the third mounting seat is installed with a third mounting plate, and the side end of the third mounting plate is provided with a third sliding plate. The front end of the piston rod of the first bone-turning cylinder in the first driving device is connected to the lower end of the third mounting seat in the third driving device. At the same time, the front end of the piston rod of the second bone-turning cylinder in the second driving device is connected to the side end surface of the first mounting seat in the first driving device.

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