Machine head lifting device and template machine

Abstract

The utility model discloses a machine head lifting device and a template machine. The machine head lifting device comprises a machine head assembly, a guide assembly and a lifting driving assembly. The guide assembly is arranged between the machine head assembly and the end of the machine body and used for guiding the machine head assembly to ascend and descend relative to the machine body. The lifting driving assembly is fixedly arranged on the machine body, fixedly connected with the machine head assembly and used for driving the machine head assembly to ascend and descend. The machine head assembly is directly arranged at the end of the machine body in a sliding mode, auxiliary parts such as a mounting plate do not need to be additionally arranged on the machine head assembly and the machine body, the number and types of the related parts are reduced, the structure of the whole device is simplified, the disassembly and assembly difficulty is small, and disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, and particularly relates to a head lifting device and a template machine. Background Art

[0002] The template machine is mainly used for making garment templates. Sewing templates are designed according to the processes of each part of the garment, and then the sewing templates are placed on the sewing machine to automatically and efficiently complete the sewing according to the process standards. It is suitable for mass production of uniforms, work clothes and other garments that require unified sizes, and has high production efficiency, and is more and more widely used in garment production.

[0003] When the template machine quilts medium-thick materials, since many clamps need to be placed on the medium-thick material template to fix the quilting pieces, there is a risk of collision between the machine head and the clamps of the template machine. Based on this, when the template machine sews medium-thick materials, the head lifting method is usually adopted to overcome this problem. However, the existing head lifting device of the template machine has a complex structure, and the disassembly and assembly are more cumbersome and inconvenient. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a head lifting device and a template machine. The head assembly is directly fixed at the end of the fuselage, and the structure is relatively simple, solving the problem of inconvenient disassembly and assembly of the existing head lifting device.

[0005] To achieve the above purpose, the utility model provides a head lifting device, including:

[0006] A head assembly;

[0007] A guiding assembly, which is arranged between the head assembly and the end of the fuselage and is used to guide the head assembly to lift relative to the fuselage;

[0008] A lifting driving assembly, which is fixedly arranged on the fuselage and is fixedly connected with the head assembly to drive the head assembly to lift.

[0009] Preferably, a first support plate and a second support plate are integrally formed at the end of the fuselage, and the first support plate and the second support plate are symmetrically arranged with the symmetry plane of the fuselage as the center; the head assembly includes a head rotating seat, and a first sliding seat and a second sliding seat are symmetrically and fixedly arranged on two opposite sides of the head rotating seat respectively, and a set of guiding assemblies are arranged between the first sliding seat and the first support plate and between the second sliding seat and the second support plate respectively.

[0010] Preferably, an extension support is integrally arranged at the end of the fuselage, and the lifting driving assembly includes:

[0011] A lifting cylinder, which is fixedly arranged on the top of the extension support;

[0012] A floating joint, which is fixedly arranged between the piston rod of the lifting cylinder and the head rotating seat.

[0013] Preferably, it further includes:

[0014] A height detection component for detecting the current height of the machine head assembly;

[0015] A controller, which is respectively connected to the height detection component and the lifting cylinder; when the height detection component detects that the current height is inconsistent with the set height, the controller is used to start the lifting cylinder according to the signal fed back by the height detection component.

[0016] Preferably, the fuselage further includes a limit mounting plate fixedly arranged at the bottom of the extension support, and a limit stop block is fixedly arranged on the limit mounting plate for limiting the extreme position of the machine head assembly.

[0017] Preferably, the machine head rotating seat further includes:

[0018] A connecting cross beam integrally connected between the first sliding seat and the second sliding seat;

[0019] A rotating seat body located at the bottom of both the first sliding seat and the second sliding seat, and the first sliding seat and the second sliding seat are integrally and symmetrically arranged on both sides of the rotating seat body; a rotating central axis is provided at the center of the rotating seat body; the machine head body of the machine head assembly rotates around the rotating central axis.

[0020] Preferably, the machine head assembly further includes a machine head rotating motor for driving the rotation of the machine head body; the symmetry planes of the machine head rotating motor, the lifting cylinder and the rotating central axis all coincide with the symmetry plane of the fuselage.

[0021] Preferably, the lifting cylinder is located between the machine head rotating motor and the rotating central axis.

[0022] Preferably, the guiding component includes a slidably matched guiding rail and a guiding chute. The guiding rail is a dovetail-shaped rail fixedly arranged at the end of the fuselage, and the guiding chute is a dovetail-shaped chute fixedly arranged on the machine head assembly.

[0023] The present utility model also provides a template machine, including a fuselage and the above-mentioned machine head lifting device, and the machine head lifting device is arranged at the end of the fuselage.

[0024] Compared with the background technology, the present utility model optimizes the structures of both the machine head assembly and the fuselage respectively, so that the machine head assembly can be directly slidably arranged at the end of the fuselage. A guiding component is arranged between the machine head assembly and the end of the fuselage, and the machine head assembly is connected to the lifting driving component; when the lifting driving component is started, the lifting driving component drives the machine head assembly to act, and the machine head assembly is lifted or lowered relative to the fuselage under the guidance of the guiding component. In the present utility model, since the machine head assembly is directly installed on the fuselage, there is no need to separately provide auxiliary components such as mounting plates on the machine head assembly and the fuselage, and the number and types of the involved components are reduced, simplifying the structure of the whole device, reducing the disassembly and assembly difficulty, and making the disassembly and assembly more convenient. Brief Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0026] Figure 1 Isometric view of the head lifting device provided by the embodiment of the present invention;

[0027] Figure 2 Is Figure 1 exploded view of;

[0028] Figure 3 Is Figure 1 front view of;

[0029] Figure 4 Is Figure 1 top view of.

[0030] The reference numerals are as follows:

[0031] Head assembly 1, guiding assembly 2, fuselage 3 and lifting drive assembly 4;

[0032] Head rotating seat 11, rotating central shaft 12, head body 13 and head rotating motor 14;

[0033] First sliding seat 111 and second sliding seat 112, connecting cross beam 113, rotating seat body 114;

[0034] Guiding slide rail 21 and guiding slide groove 22;

[0035] First support plate 31, second support plate 32, extension support 33 and limit mounting plate 34;

[0036] Limit stop 341;

[0037] Lifting cylinder 41 and floating joint 42. Detailed Description of the Embodiments

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0039] To enable those skilled in the art of this technology to better understand the solution of this utility model, the following further detailed description of this utility model will be given in conjunction with the drawings and specific embodiments.

[0040] An embodiment of this utility model discloses a head lifting device. As shown in the Figure 1 accompanying drawings, it includes a head assembly 1, a guiding assembly 2, and a lifting driving assembly 4. The head assembly 1 is used for sewing templates. The guiding assembly 2 is arranged between the head assembly 1 and the end of the fuselage 3. The lifting driving assembly 4 is fixedly arranged on the fuselage 3 and is fixedly connected to the head assembly 1. When the lifting driving assembly 4 is started, the lifting driving assembly 4 drives the head assembly 1 to move. The head assembly 1 is lifted and lowered relative to the fuselage 3 under the guidance of the guiding assembly 2 to adjust the height of the head assembly 1, so that the head assembly 1 can adapt to sewing templates of different thicknesses.

[0041] In this utility model, the structures of both the head assembly 1 and the fuselage 3 are optimized respectively, so that the head assembly 1 is directly installed on the fuselage 3 without additionally arranging auxiliary parts such as mounting plates on the head assembly 1 and the fuselage 3. The number and types of parts involved are reduced, the structure of the whole device is simplified, and the disassembly and assembly difficulty is smaller and more convenient.

[0042] As shown in the Figure 2 accompanying drawings, a first support plate 31 and a second support plate 32 are integrally formed at the end of the fuselage 3. The first support plate 31 and the second support plate 32 are symmetrically arranged with the symmetry plane of the fuselage 3 as the center, so that the first support plate 31 and the second support plate 32 are used to jointly support the sliding of the head assembly 1 and ensure uniform force on both sides of the end of the fuselage 3. It should be added that the fuselage 3 as a whole is L-shaped and mainly plays a supporting role. A fixed base is integrally and fixedly arranged at the bottom of the fuselage 3, and the fixed base is fixed on the workbench by bolts.

[0043] The head assembly 1 includes a head rotating seat 11. First sliding seats 111 and second sliding seats 112 are symmetrically and fixedly arranged on two opposite sides of the head rotating seat 11 respectively. A set of guiding assemblies 2 are arranged between the first sliding seat 111 and the first support plate 31 and between the second sliding seat 112 and the second support plate 32 respectively to ensure that both sides of the head rotating seat 11 are evenly stressed during the sliding process, avoid jamming caused by uneven stress on the head rotating seat 11, reduce the failure rate, and improve the reliability. As a preferred embodiment, both the first sliding seat 111 and the second sliding seat 112 can be L-shaped sliding seats. To improve the mechanical strength of both the first sliding seat 111 and the second sliding seat 112, a number of reinforcing ribs are fixedly arranged at the corners of both the first sliding seat 111 and the second sliding seat 112. Each reinforcing rib is triangular and is fixed by welding.

[0044] An extension support 33 is integrally provided at the end of the fuselage 3 for supporting the head assembly 1. As a preferred embodiment, the front end of the extension support 33 is open and its center is hollow for accommodating the head rotation motor 14. The extension support 33 includes a left baffle and a right baffle symmetrically arranged on the left and right, and a top support plate integrally fixed to the tops of both the left baffle and the right baffle. The top support plate is used to support the lifting cylinder 41. In the direction close to the fuselage 3, the widths of both the left baffle and the right baffle gradually decrease to avoid too large a width gap between the fuselage 3 and the extension support 33, which may affect the mechanical connection strength between the two.

[0045] The lifting drive assembly 4 includes a lifting cylinder 41 and a floating joint 42. The lifting cylinder 41 is fixed to the top of the extension support 33, and the floating joint 42 is fixed between the piston rod of the lifting cylinder 41 and the head rotation base 11, so that the lifting cylinder 41 drives the head assembly 1 to lift through the floating joint 42. Among them, the floating joint 42 can reduce the impact vibration generated during the movement of the head assembly 1 to a certain extent, and avoid causing too much rigid impact on the lifting cylinder 41, which may affect the movement accuracy of the lifting cylinder 41.

[0046] The head lifting device further includes a height detection component and a controller. The height detection component is used to detect the current height of the head assembly 1. The height detection component may specifically be a distance measuring sensor, but is not limited thereto. The controller is respectively connected to the height detection component and the lifting cylinder 41.

[0047] When the height detection component detects that the current height is inconsistent with the set height, the height detection component feeds back a signal to the controller. After receiving the signal, the controller makes a judgment and processing, and sends the generated signal to the lifting cylinder 41, automatically starting the lifting cylinder 41. The lifting cylinder 41 drives the head assembly 1 to lift until the current height of the head assembly 1 reaches the set height. It has a high degree of automation and high control precision, can accurately adjust the position of the head assembly 1, and improve the sewing quality. The set height in the text can be adjusted according to the thickness of the sewing material, and no specific limitation is made here.

[0048] It should be noted here that the controller should include a signal receiving part, a signal judging part and a signal sending part. The signal receiving part is used to receive the electrical signal sent by the height detecting part. The signal judging part is electrically connected to the signal receiving part so that the signal judging part can judge whether the signal received by the signal receiving part is a trigger signal. The signal sending part is electrically connected to the signal judging part so that the signal sending part can send the judging signal generated by the signal judging part to the lifting cylinder 41. The specific setting methods of the signal receiving part, the signal judging part and the signal sending part can refer to the prior art; in the present utility model, only the application scenarios of the above three are changed, rather than a substantial improvement is made to them. Obviously, the controller with this structure is widely applied to existing automatic control devices, such as MCU, DSP or single-chip microcomputer, etc. The key point of the present utility model is that the controller combines the height detecting part and the lifting cylinder 41.

[0049] The fuselage 3 further includes a limit mounting plate 34 fixed to the bottom of the extension support 33. The limit mounting plate 34 is of a C-shaped structure and is fixed to the bottom of the extension support 33 by fastening screws. The limit mounting plate 34 is fixedly provided with a limit stop 341. When the nose assembly 1 descends to the lowest position relative to the fuselage 3, the nose assembly 1 abuts against the limit stop 341, and the limit stop prevents the nose assembly 1 from descending further, avoiding the nose assembly 1 from detaching from the fuselage 3. Of course, an upper stop block can also be added to the top of the extension support 33 to limit the nose assembly 1 from rising further when the nose assembly 1 rises to the highest position.

[0050] A position detecting part can be provided on the limit stop 341. The position detecting part is connected to the controller. The position detecting part is used to detect whether the nose assembly 1 abuts against the limit stop 341, and specifically can be a travel switch or a contact sensor. When the position detecting part detects that the nose assembly 1 abuts against the limit stop 341, the position detecting part feeds back a signal to the controller. After receiving the signal, the controller makes a judgment and processing, and sends the generated signal to the lifting cylinder 41 to control the lifting cylinder 41 to stop automatically. The automation degree is high, the failure rate is reduced, and the reliability of the whole set of devices can be improved.

[0051] As shown in the Figure 2 accompanying drawings, the nose rotating seat 11 further includes a connecting cross beam 113 and a rotating seat body 114. The connecting cross beam 113 is integrally connected between the first sliding seat 111 and the second sliding seat 112 to improve the connection strength between the first sliding seat 111 and the second sliding seat 112, enhance the mechanical strength of the nose rotating seat 11, and is beneficial to extending the service life of the whole set of devices. Specifically, the tops of the first sliding seat 111 and the second sliding seat 112 are integrally connected to the connecting cross beam 113.

[0052] The rotating base body 114 is located at the bottoms of both the first sliding base 111 and the second sliding base 112. The first sliding base 111 and the second sliding base 112 are integrally and symmetrically arranged on both sides of the rotating base body 114, which can not only improve the mechanical strength of both the first sliding base 111 and the second sliding base 112, but also provide support for the head body 13. A rotating central axis 12 is provided at the center of the rotating base body 114; the head assembly 1 includes a head body 13, and the head body 13 rotates around the rotating central axis 12. The head body 13 is used for sewing sewing materials. The structure of the head body 13 can refer to the prior art.

[0053] The head assembly 1 further includes a head rotating motor 14 for driving the head body 13 to rotate. An avoidance through hole is provided on the top support plate of the extension support 33, and the head rotating motor 14 is arranged through the avoidance through hole to prevent interference between the head rotating motor 14 and the extension support 33 due to the excessive length of the head rotating motor 14. Importantly, as shown in the appendix Figure 3 and 4 shown, the symmetry planes of the head rotating motor 14, the lifting cylinder 41 and the rotating central axis 12 all coincide with the symmetry plane of the fuselage 3, that is, the head rotating motor 14, the lifting cylinder 41 and the rotating central axis 12 are collinearly arranged along the central extension line of the fuselage 3. Such an arrangement can make the center of the whole device close to the center of the fuselage 3, ensure uniform force on the end of the fuselage 3, reduce the risk of failure caused by unstable force, and improve the reliability of the whole device.

[0054] As shown in the appendix Figure 4 shown, the lifting cylinder 41 is located between the head rotating motor 14 and the rotating central axis 12, making the center of the whole device close to the center line of the lifting cylinder 41, ensuring uniform weight distribution of the whole device, and improving the service life of the lifting cylinder 41 to ensure the stable and reliable operation of the whole device.

[0055] As shown in the appendix Figure 2 shown, the guiding assembly 2 includes a slidably matched guiding slide rail 21 and a guiding chute 22. The guiding slide rail 21 is a dovetail slide rail fixed to the end of the fuselage 3, and the guiding chute 22 is a dovetail chute fixed to the head assembly 1. The dovetail slide rail and the dovetail chute are matched. In addition to the guiding function, they can also prevent the dovetail slide rail and the dovetail chute from separating, reducing the risk of derailment of the guiding assembly 2. Of course, the type of the guiding assembly 2 is not limited to the dovetail type, and it can also be the T type or other types.

[0056] The present utility model also provides a template machine, which includes a fuselage 3 and the above-mentioned head lifting device. The head lifting device is arranged at the end of the fuselage 3 and has the same beneficial effects.

[0057] It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0058] In this article, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A machine head lifting device, characterized in that: include: Head assembly (1); A guide assembly (2), the guide assembly (2) being arranged between the head assembly (1) and an end of the fuselage (3), and being used to guide the head assembly (1) to rise and fall relative to the fuselage (3); A lifting drive assembly (4), wherein the lifting drive assembly (4) is fixedly mounted on the machine body (3) and is fixedly connected to the machine head assembly (1), and is used to drive the machine head assembly (1) to lift and lower.

2. The machine head lifting device according to claim 1, characterized in that: The end of the fuselage (3) is integrally formed with a first support plate (31) and a second support plate (32), and the first support plate (31) and the second support plate (32) are symmetrically arranged with the symmetry plane of the fuselage (3) as the center; the head assembly (1) comprises a head rotating seat (11), and two opposite sides of the head rotating seat (11) are symmetrically fixed with a first slide seat (111) and a second slide seat (112), and a set of the guide assembly (2) is respectively arranged between the first slide seat (111) and the first support plate (31) and between the second slide seat (112) and the second support plate (32).

3. The machine head lifting device according to claim 2, characterized in that: An extension support (33) is integrally provided at the end of the fuselage (3), and the lifting drive assembly (4) comprises: A lifting cylinder (41), the lifting cylinder (41) being fixedly mounted on the top of the extension support (33); A floating joint (42), wherein the floating joint (42) is fixedly arranged between the piston rod of the lifting cylinder (41) and the machine head rotating seat (11).

4. The machine head lifting device according to claim 3, characterized in that: Also includes: A height detection member, the height detection member being used to detect the current height of the machine head assembly (1); A controller, the controller being connected to the height detection component and the lifting cylinder (41) respectively; when the height detection component detects that the current height is inconsistent with the set height, the controller is used to start the lifting cylinder (41) according to a signal fed back by the height detection component.

5. The machine head lifting device according to claim 3, characterized in that: The body (3) further comprises a limit mounting plate (34) fixedly mounted on the bottom of the extension support (33), the limit mounting plate (34) being fixedly mounted with a limit stopper (341), the limit stopper (341) being used to limit the extreme position of the head assembly (1).

6. The machine head lifting device according to claim 3, characterized in that: The machine head rotating seat (11) also includes: A connecting crossbeam (113), wherein the connecting crossbeam (113) is integrally connected between the first slide seat (111) and the second slide seat (112); A rotating seat body (114), the rotating seat body (114) is located at the bottom of the first slide seat (111) and the second slide seat (112), the first slide seat (111) and the second slide seat (112) are integrally and symmetrically arranged on both sides of the rotating seat body (114); a rotating center axis (12) is arranged at the center of the rotating seat body (114); and the head body (13) of the head assembly (1) rotates around the rotating center axis (12).

7. The machine head lifting device according to claim 6, characterized in that: The machine head assembly (1) further comprises a machine head rotating motor (14) for driving the machine head body (13) to rotate; the symmetry planes of the machine head rotating motor (14), the lifting cylinder (41) and the rotation center axis (12) all coincide with the symmetry plane of the machine body (3).

8. The machine head lifting device according to claim 7, characterized in that: The lifting cylinder (41) is located between the machine head rotating motor (14) and the rotating central axis (12).

9. The machine head lifting device according to any one of claims 1 to 8, characterized in that: The guide assembly (2) comprises a guide rail (21) and a guide groove (22) that can slidably cooperate with each other, the guide rail (21) being a dovetail-shaped rail fixedly arranged at the end of the fuselage (3), and the guide groove (22) being a dovetail-shaped groove fixedly arranged at the head assembly (1).

10. A template machine, characterized in that: It comprises a fuselage (3) and a nose lifting device as claimed in any one of claims 1 to 9, wherein the nose lifting device is arranged at the end of the fuselage (3).

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