Leather fabric blanking power head structure

Abstract

The utility model belongs to the field of blanking machines, and provides a leather fabric blanking power head structure which comprises a supporting seat, a hydraulic cylinder, an adjusting assembly and a blanking assembly. Wherein the hydraulic cylinder is mounted in the supporting seat and is provided with a telescopic piston rod; the adjusting assembly comprises a connecting disc connected to the piston rod and a rotating seat rotationally installed on the connecting disc, a rotating center shaft of the rotating seat is coaxial with the piston rod, and the adjusting assembly further comprises a servo motor connected with the rotating seat and used for driving the rotating seat to rotate. The blanking assembly comprises a die base connected to the rotating base and a cutting die pulling plate connected to the die base and used for installing a target cutting die.

Description

Technical Field

[0001] The present application belongs to the field of punching machines, and in particular to a leather fabric punching power head structure. Background Art

[0002] In the shoemaking industry, leather fabrics are usually processed into shoe uppers by punching, so punching is a crucial link in the shoe production process. However, the existing traditional leather fabric punching power head structure has a significant limitation, that is, it can only make the knife die connected to it perform punching operations at a single fixed angle, which results in the sacrifice of part of the leather area that could have been efficiently used during the punching process, resulting in serious waste of leather materials. This waste not only increases production costs, but also creates unnecessary burdens on the environment. Therefore, it is necessary to solve the above technical problems. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a leather fabric punching power head structure to solve the technical problem of low utilization rate of leather fabric during punching in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is: to provide a leather fabric punching power head structure, including:

[0005] Support seat;

[0006] A hydraulic cylinder, installed in the support seat and having a retractable piston rod;

[0007] An adjusting assembly, comprising a connecting plate connected to the piston rod and a rotating seat rotatably mounted on the connecting plate, wherein the rotating center axis of the rotating seat is coaxial with the piston rod, and the adjusting assembly further comprises a servo motor connected to the rotating seat and used for driving the rotating seat;

[0008] The blanking assembly comprises a die base connected to the rotating base and a die drawing plate connected to the die base and used for installing a target die.

[0009] Optionally, the adjustment assembly further includes a synchronous belt and synchronous wheels respectively adapted to be mounted on the power end of the servo motor and the rotating seat;

[0010] The servo motor is transmission-connected to the rotating seat through the synchronous belt and the synchronous wheel.

[0011] Optionally, the adjustment assembly further comprises a sliding sleeve slidably connected to the support seat;

[0012] The sliding direction of the sliding sleeve relative to the supporting seat is parallel to the axial direction of the piston rod, and the connecting plate is connected to the piston rod through the sliding sleeve.

[0013] Optionally, the hydraulic cylinder further includes a cylinder body for supporting the piston rod, and the sliding sleeve forms a cavity for accommodating the cylinder body;

[0014] At least a section of the sliding sleeve, the cylinder body, and the support seat overlap in the axial direction.

[0015] Optionally, the adjusting assembly further includes a plurality of guide posts connected to the sliding sleeve, and a plurality of lugs corresponding to the guide posts and slidably connected to the guide posts are formed on the support seat;

[0016] The sliding direction of the guide post relative to the lug is parallel to the sliding direction of the sliding sleeve relative to the support seat.

[0017] Optionally, the adjusting assembly further includes a protective cover connected to the support seat, and at least a part of the guide post is arranged inside the protective cover.

[0018] Optionally, the adjusting assembly further includes a bearing seat connected to the connecting disc, a rotating shaft rotatably installed on the bearing seat, and a thrust bearing coaxially arranged with the rotating shaft;

[0019] The rotating seat is connected to the rotating shaft and cooperates with the bearing seat to form an annular cavity for accommodating the thrust bearing, and two ends of the thrust bearing in its own axial direction respectively abut against the bearing seat and the rotating seat.

[0020] Optionally, the adjusting assembly further includes two angular contact ball bearings sleeved on the rotating shaft and arranged in reverse;

[0021] The bearing seat and the rotating seat are respectively connected to the rotating shaft through one of the angular contact ball bearings.

[0022] Optionally, the blanking assembly further includes a guide sleeve connected to the die holder, a guide rod bolt connected to the die cutter pull plate, and a spring abutted between the guide sleeve and the guide rod bolt;

[0023] The guide rod bolt is slidably connected to the guide sleeve, the elastic deformation direction of the spring is parallel to the sliding direction of the guide rod bolt relative to the guide sleeve, and has a tendency to always tighten the die cutter pull plate on the die holder by the guide rod bolt.

[0024] Optionally, the blanking assembly further includes a cylinder connected to the connecting disc;

[0025] The output shaft of the cylinder corresponds to the guide rod bolt and is used to drive the guide rod bolt to drive the die cutter pull plate to separate from the die holder.

[0026] The beneficial effect of the leather fabric punching power head structure provided in the present application is that: compared with the prior art, in the leather fabric punching power head structure provided in the present application, the hydraulic cylinder installed in the support seat can drive the connecting plate connected to the piston rod to move through its piston rod, so that the rotating seat installed on the connecting plate and the knife die pull plate connected to the rotating seat through the die seat can also follow the connecting plate along the axial movement of the piston rod and drive the knife die installed on the die seat to complete the punching operation; since the rotating seat is also connected to the servo motor transmission and can rotate around the central axis of the piston rod under the drive of the servo motor, the knife die pull rod connected to the rotating seat and used to install the target knife die can rotate with the rotating seat and adjust the target knife die connected thereto to a preset angle, so that the leather fabric punching power head structure provided in the present application can have a flexible adjustment effect and is conducive to significantly improving the utilization rate of leather fabrics during punching, which is far superior to the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0028] Figure 1 This is a schematic diagram of the overall structure of the leather fabric punching power head structure provided in the embodiment of the present application;

[0029] Figure 2 Schematic diagram of the cross-sectional structure of the leather fabric punching power head structure provided in the embodiment of the present application Figure 1 ;

[0030] Figure 3 Schematic diagram of the cross-sectional structure of the leather fabric punching power head structure provided in the embodiment of the present application Figure 2 ;

[0031] Figure 4 for Figure 3 Enlarged view of the structure at point B in the middle.

[0032] Among them, the reference numerals in the figures are as follows: 101, support base; 102, hydraulic cylinder; 103, piston rod; 104, connecting plate; 105, rotating seat; 106, servo motor; 107, die holder; 108, die pull plate; 109, synchronous belt; 110, synchronous pulley; 111, sliding sleeve; 112, cylinder block; 113, guide post; 114, lug; 115, protective cover; 116, bearing seat; 117, rotating shaft; 118, thrust bearing; 119, annular cavity; 120, angular contact thrust bearing; 121, guide sleeve; 122, guide rod bolt; 123, spring; 124, air cylinder; 125, cavity. Detailed implementation manners

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0035] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0036] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0037] Please refer to Figures 1 to 4 , and now the structure of the leather fabric punching power head provided by the embodiment of the present application will be described. The structure of the leather fabric punching power head includes a support base 101, a hydraulic cylinder 102, an adjustment assembly and a punching assembly. Among them:

[0038] The hydraulic cylinder 102 is installed in the supporting seat 101 and has a retractable piston rod 103; the adjusting component includes a connecting plate 104 connected to the piston rod 103 and a rotating seat 105 rotatably installed on the connecting plate 104, and the rotating center axis of the rotating seat 105 is coaxial with the piston rod 103. The adjusting component also includes a servo motor 106 connected to the rotating seat 105 and used to drive the rotating seat 105; the blanking component includes a die base 107 connected to the rotating seat 105 and a die pull plate 108 connected to the die base 107 and used to install the target die.

[0039] According to the above structure provided in the present embodiment, in the leather fabric punching power head structure provided in the present embodiment, the hydraulic cylinder 102 installed on the support seat 101 can drive the connecting plate 104 connected to the piston rod 103 to move through its piston rod 103, so that the rotating seat 105 installed on the connecting plate 104 and the cutting die pull plate 108 connected to the rotating seat 105 through the die base 107 can also follow the connecting plate 104 along the axial movement of the piston rod 103 and drive the cutting die (not shown) installed on the die base 107 to complete the punching operation; since the rotating seat 105 is also connected to the servo motor 106 in a transmission connection and can rotate around the central axis of the piston rod 103 under the drive of the servo motor 106, the cutting die pull rod connected to the rotating seat 105 and used to install the target cutting die can rotate with the rotating seat 105 and adjust the target cutting die connected thereto to a preset angle, so that the leather fabric punching power head structure provided in the present embodiment can have a flexible adjustment effect and is conducive to significantly improving the utilization rate of leather fabrics during punching, which is far superior to the prior art.

[0040] In another embodiment of the present application, please refer to Figures 1 to 4 The adjustment component also includes a synchronous belt 109 and a synchronous wheel 110 respectively mounted on the power end of the servo motor 106 and the rotating seat 105; the servo motor 106 is connected to the rotating seat 105 through the synchronous belt 109 and the synchronous wheel 110. According to the above structure provided in this embodiment, the servo motor 106 can stably drive the rotating seat 105 to rotate through the synchronous belt 109 and the synchronous wheel 110. In addition, by adapting different models of synchronous wheels 110 and synchronous belts 109, the flexible adjustment effect of the leather fabric punching power head structure in this embodiment can be further improved.

[0041] In another embodiment of the present application, please refer to Figures 1 to 4, the adjusting assembly further includes a sliding sleeve 111 slidably connected to the support base 101; the sliding direction of the sliding sleeve 111 relative to the support base 101 is parallel to the axial direction of the piston rod 103, and the connecting plate 104 is connected to the piston rod 103 through the sliding sleeve 111. According to the above structure provided in this embodiment, the sliding sleeve 111 slidably connected to the support base 101 can serve as a guiding mechanism for the piston rod 103 to make the telescopic process of the piston rod 103 more stable and reliable, which is conducive to significantly improving the punching quality of the leather fabric punching power head structure in this embodiment.

[0042] In another embodiment of the present application, please also refer to Figures 1 to 4 , the hydraulic cylinder 102 further includes a cylinder block 112 for supporting the piston rod 103, and the sliding sleeve 111 forms a cavity 125 for accommodating the cylinder block 112; at least a section of the sliding sleeve 111, the cylinder block 112, and the support base 101 overlap in the axial direction. According to the above structure provided in this embodiment, setting at least a part of the cylinder block 112 inside the sliding sleeve 111 is beneficial to significantly reduce the overall size of the leather fabric punching power head structure in this embodiment on the premise of ensuring a sufficient guiding range.

[0043] In another embodiment of the present application, please also refer to Figures 1 to 4 , the adjusting assembly further includes a plurality of guide posts 113 connected to the sliding sleeve 111, and a plurality of lugs 114 corresponding to the guide posts 113 and slidably connected to the guide posts 113 are formed on the support base 101; the sliding direction of the guide posts 113 relative to the lugs 114 is parallel to the sliding direction of the sliding sleeve 111 relative to the support base 101. According to the above structure provided in this embodiment, by adopting the sliding fit of the guide posts 113 and the lugs 114 plus the sliding fit of the sliding sleeve 111 and the support base 101, the anti-torsion ability of the leather fabric punching power head structure in this embodiment can be significantly improved.

[0044] In another embodiment of the present application, please also refer to Figures 1 to 4 , the adjusting assembly further includes a shield 115 connected to the support base 101, and at least a part of the guide posts 113 is arranged inside the shield 115. According to the above structure provided in this embodiment, the shield 115 can serve as a protection mechanism to ensure the smooth sliding of the guide posts 113 relative to the lugs 114. It can be understood that holes are processed on the lugs 114, and the guide posts 113 are slidably fitted with the holes, and sliding bearings can also be installed in the holes, which is conducive to the long-term stable use of the leather fabric punching power head structure in this embodiment.

[0045] In another embodiment of the present application, please also refer to Figures 1 to 4, the adjusting assembly further includes a bearing seat 116 connected to the connecting disk 104, a rotating shaft 117 rotatably mounted on the bearing seat 116, and a thrust bearing 118 coaxially arranged with the rotating shaft 117; the rotating seat 105 is connected to the rotating shaft 117 and cooperates with the bearing seat 116 to form an annular cavity 119 for accommodating the thrust bearing 118, and both ends of the thrust bearing 118 along its own axial direction are respectively abutted against the bearing seat 116 and the rotating seat 105. According to the above structure provided in this embodiment, the thrust bearing 118 abutted between the bearing seat 116 and the rotating seat 105 can enable the rotating seat 105 to bear a greater axial load, so that the rotating seat 105 can rotate relative to the rotating disk stably for a long time, which is beneficial to further improving the service life of the leather fabric punching power head structure in this embodiment.

[0046] In another embodiment of the present application, please refer to Figures 1 to 4 , the adjusting assembly further includes two angular contact ball bearings 120 sleeved on the rotating shaft 117 and arranged in reverse; the bearing seat 116 and the rotating seat 105 are respectively connected to the rotating shaft 117 through an angular contact ball bearing 120. According to the above structure provided in this embodiment, the bearing seat 116 and the rotating seat 105 are connected to the rotating shaft 117 through two angular contact ball bearings 120 with opposite directions, which can enable the rotating shaft 117 to operate more stably, and is beneficial to further improving the service life of the leather fabric punching power head structure in this embodiment.

[0047] In another embodiment of the present application, please refer to Figures 1 to 4 , the punching assembly further includes a guide sleeve 121 connected to the die holder 107, a guide rod bolt 122 connected to the die cutter pull plate 108, and a spring 123 abutted between the guide sleeve 121 and the guide rod bolt 122; the guide rod bolt 122 is slidably connected to the guide sleeve 121, and the elastic deformation direction of the spring 123 is parallel to the sliding direction of the guide rod bolt 122 relative to the guide sleeve 121, and has a tendency to always tighten the die cutter pull plate 108 on the die holder 107. According to the above structure provided in this embodiment, when different die cutters need to be replaced, the guide rod bolt 122 can be slid relative to the guide sleeve 121 by overcoming the pressure of the spring 123, and the die cutter pull plate 108 connected to the guide rod bolt 122 can be separated from the die holder 107, which is very beneficial to the quick replacement of the die cutter. After the die cutter is replaced, removing the pressure acting on the spring 123 can enable the guide rod bolt 122 to automatically reset with the spring 123. Please refer to Figures 1 to 3 , a pressing edge protruding transversely is provided at the inner lower edge of the die cutter pull plate 108, so as to press the die cutter tightly against the lower end surface of the die holder 107 when the die cutter pull plate 108 is reset, which is beneficial to significantly improving the replacement efficiency of the leather fabric punching power head structure in this embodiment.

[0048] In another embodiment of the present application, please also refer to Figures 1 to 4 , the blanking assembly further includes a cylinder 124 connected to the connecting plate 104; the output shaft of the cylinder 124 corresponds to the guide rod bolt 122 and is used to drive the guide rod bolt 122 to drive the die holder plate 108 to separate from the die base 107. According to the above structure provided in this embodiment, driving the guide rod bolt 122 by the cylinder 124 can not only make the guide rod bolt 122 slide more stably relative to the guide sleeve 121. After the die is replaced, only by retracting the output shaft of the cylinder 124 can the guide rod bolt 122 be automatically reset, which is beneficial to further improving the replacement efficiency of the blanking power head structure of the leather fabric in this embodiment.

[0049] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A punching power head structure for leather fabrics, characterized in that Comprising: A support seat (101); A hydraulic cylinder (102), installed within the support seat (101) and having a telescopic piston rod (103); An adjustment assembly, including a connection disk (104) connected to the piston rod (103) and a rotating seat (105) rotatably mounted on the connection disk (104), the rotation central axis of the rotating seat (105) being coaxial with the piston rod (103), and the adjustment assembly further including a servo motor (106) connected to the rotating seat (105) and used to drive the rotation of the rotating seat (105); A blanking assembly, including a die holder (107) connected to the rotating seat (105) and a die plate (108) connected to the die holder (107) and used to mount a target cutting die.

2. The blanking power head structure for leather fabric according to claim 1, characterized in that: The adjustment assembly further includes a synchronous belt (109) and synchronous pulleys (110) respectively and adaptively mounted on the power end of the servo motor (106) and the rotating seat (105); The servo motor (106) is drivingly connected to the rotating seat (105) through the synchronous belt (109) and the synchronous pulleys (110).

3. The blanking power head structure for leather fabric according to claim 1, characterized in that: The adjustment assembly further includes a sliding sleeve (111) slidably connected to the support seat (101); The sliding direction of the sliding sleeve (111) relative to the support seat (101) is parallel to the axial direction of the piston rod (103), and the connection disk (104) is connected to the piston rod (103) through the sliding sleeve (111).

4. The blanking power head structure for leather fabric according to claim 3, characterized in that: The hydraulic cylinder (102) further includes a cylinder block (112) for supporting the piston rod (103), and the sliding sleeve (111) forms a cavity (125) for accommodating at least a part of the cylinder block (112); There is at least one overlapping region in the axial direction among the sliding sleeve (111), the cylinder block (112), and the support seat (101).

5. The blanking power head structure for leather fabric according to claim 3, characterized in that: The adjustment assembly further includes a plurality of guide posts (113) connected to the sliding sleeve (111), and a plurality of lugs (114) corresponding to the guide posts (113) and slidably connected to the guide posts (113) are formed on the support seat (101); The sliding direction of the guide posts (113) relative to the lugs (114) is parallel to the sliding direction of the sliding sleeve (111) relative to the support seat (101).

6. The blanking power head structure for leather fabric according to claim 5, characterized in that: The adjustment assembly further includes a shield (115) connected to the support seat (101), and at least a part of the guide posts (113) is disposed inside the shield (115).

7. The blanking power head structure for leather fabric according to claim 1, characterized in that: The adjusting assembly further includes a bearing seat (116) connected to the connecting plate (104), a rotating shaft (117) rotatably mounted on the bearing seat (116), and a thrust bearing (118) coaxially arranged with the rotating shaft (117); The rotating seat (105) is connected to the rotating shaft (117) and cooperates with the bearing seat (116) to form an annular cavity (119) for accommodating the thrust bearing (118). The two ends of the thrust bearing (118) along its own axial direction respectively abut against the bearing seat (116) and the rotating seat (105).

8. The punching power head structure for leather fabric according to claim 7, wherein: The adjusting assembly further includes two angular contact thrust bearings (120) sleeved on the rotating shaft (117) and arranged in reverse; The bearing seat (116) and the rotating seat (105) are respectively connected to the rotating shaft (117) through one of the angular contact thrust bearings (120).

9. The punching power head structure for leather fabric according to claim 1, wherein: The punching assembly further includes a guide sleeve (121) connected to the die holder (107), a guide rod bolt (122) connected to the die cutter pulling plate (108), and a spring (123) abutted between the guide sleeve (121) and the guide rod bolt (122); The guide rod bolt (122) is slidably connected to the guide sleeve (121). The elastic deformation direction of the spring (123) is parallel to the sliding direction of the guide rod bolt (122) relative to the guide sleeve (121), and has a tendency to always tension the die cutter pulling plate (108) tightly on the die holder (107).

10. The punching power head structure for leather fabric according to claim 9, wherein: The punching assembly further includes a cylinder (124) connected to the connecting plate (104); The output shaft of the cylinder (124) corresponds to the guide rod bolt (122) and is used to drive the guide rod bolt (122) to drive the die cutter pulling plate (108) to separate from the die holder (107).

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