WO2022109977A1 - 一种用于缝纫机外壳加工的夹具 - Google Patents

一种用于缝纫机外壳加工的夹具 Download PDF

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Publication number
WO2022109977A1
WO2022109977A1 PCT/CN2020/132082 CN2020132082W WO2022109977A1 WO 2022109977 A1 WO2022109977 A1 WO 2022109977A1 CN 2020132082 W CN2020132082 W CN 2020132082W WO 2022109977 A1 WO2022109977 A1 WO 2022109977A1
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WIPO (PCT)
Prior art keywords
fixedly connected
block
processing table
rod
sewing machine
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PCT/CN2020/132082
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English (en)
French (fr)
Inventor
季锴
Original Assignee
苏州锴诚缝制设备有限公司
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Publication of WO2022109977A1 publication Critical patent/WO2022109977A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting

Definitions

  • the invention relates to the field of sewing machine accessories processing, in particular to a fixture used for processing sewing machine shells.
  • 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 interlaced or sewn together.
  • General sewing machines are composed of four parts: head, base, transmission and accessories.
  • the head of the sewing machine is usually made of cast iron or aluminum alloy through the casting process to first obtain the sewing machine casing, and then process the casing into the head.
  • the machining accuracy of sewing machines is relatively high.
  • the machining of the sewing machine shell is a difficult point, and reaming is an important process in the machining process of the casting machine shell.
  • Most of the workers fix the sewing machine shells one by one, and then ream the holes one by one. operate.
  • the holes that need to be reamed are distributed on different sides of the casing of the sewing machine.
  • workers usually need to turn the side with the holes that need to be machined upwards to facilitate processing. Therefore, different reaming operations need to be replaced It takes more than half of the whole reaming process, not only the labor of workers is high, but also the production efficiency is low. Therefore, in view of the above situation, it is urgent to develop a sewing machine shell Machined fixtures to overcome the deficiencies in current practical applications.
  • the purpose of the present invention is to provide a jig for processing a sewing machine shell, so as to solve the problems raised in the above-mentioned background art.
  • a fixture for processing a sewing machine shell comprising a processing table, the inner side of the processing table is provided with a support mechanism for placing the shell, and the upper side of the support mechanism is provided with a fixing device for fixing.
  • a clamping mechanism of the housing, the clamping mechanism is connected with a drive mechanism arranged outside the processing table.
  • the support mechanism includes a fixing block fixedly connected to the bottom of the inner side of the processing table, a second motor is bolted on the inner side of the fixing block, and the output end of the second motor is connected to the second threaded rod , the second threaded rod is threadedly connected with a fixed rod fixedly connected at the bottom of the placing plate, the placing plate is set on the upper side of the fixing block, and a number of limit rods are fixedly connected on the outside of the placing plate.
  • the rod is slidably connected with a guide groove provided on the inner side of the processing table.
  • the clamping mechanism includes telescopic rods that are fixedly connected to the front, rear, left, right, and four sides of the fixed block, and a connecting block that is slidably connected to the processing table is fixedly connected to the side of the telescopic rod away from the fixed plate.
  • a slider is arranged on the upper side of the connecting block, and the slider is slidably connected with the chute arranged on the inner wall of the processing table, and a first connecting rod is hingedly arranged between the slider and the connecting block.
  • a rotating rod rotatably connected with the processing table, the inner side of the rotating rod is slidably connected with a movable rod, the bottom of the movable rod is fixedly connected with a push block, and a second connection is hinged between the push block and the slider
  • the movable rod is fixedly connected with a clamping block on the side away from the rotating rod.
  • the upper and lower sides of the movable rod are fixedly connected with a limit block, and the limit block is slidably connected with a limit groove provided on the inner side of the rotating rod.
  • the inner side of the clamping block is bolted with an air pump, the input end of the air pump is connected with an air guide groove arranged on the inner side of the clamping block through a suction pipe, and the air guide groove is set close to the side of the placing plate
  • the adsorption tubes are located on the outer side of the inner part of the clamping block and are fixedly connected with a baffle plate.
  • a first spring is fixedly connected between the baffle plate and the clamping block. One end is fixedly connected with a suction cup.
  • the drive mechanism includes a fixed frame fixedly connected to the front and rear sides of the top of the processing table, the inner side of the fixed frame on the rear side is bolted and provided with a first motor for driving the rotating rod, the The left and right ends of the inner side of the fixed frame are rotatably connected with a first threaded rod, the first threaded rod and the outer sides of the front and rear sides of the rotating rod are fixedly connected with pulleys, and the pulleys on the adjacent side are connected by belts , the outer side of the first threaded rod is threadedly connected with a push plate, the outer side of the push plate is fixedly connected with a guide block that is slidably connected to the processing table, the top of the push plate is fixedly connected with a rack, and the left and right ends of the The outer side of the rotating rod is fixedly connected with a transmission gear which is meshed with the rack.
  • a base is provided on the lower side of the processing table, a buffer plate is slidably connected to the inner side of the base, and a number of buffer blocks are fixedly connected to the top of the buffer plate and are slidably connected to the base.
  • the top end is fixedly connected with the processing table, and a plurality of second springs are fixedly connected between the bottom end of the buffer plate and the base.
  • the beneficial effects of the present invention are: 1.
  • a telescopic rod is used to push the connecting block to move, and the connecting block passes through the first connecting rod.
  • the slider to move and the slider drives the clamping block to move through the second connecting rod to complete the fixing of the casing.
  • the device can not only fix the casing from the left and right sides, but also can fix the casing from the front and rear sides. The fixing is completed, and it is convenient for people to process different surfaces of the casing; 2.
  • the device By setting the adsorption tube and the suction cup, the device can further fix the casing under the action of the air pump, thereby enhancing the firmness of the fixing of the device.
  • the adsorption tube By setting the first spring, The adsorption tube can be effectively attached to the surface of the shell, which is beneficial to improve the clamping quality; 3.
  • the driving mechanism By setting the driving mechanism, the rotation of the clamping mechanism can be realized, which is convenient for workers to process different surfaces of the shell, which is beneficial to improve the processing efficiency.
  • Two springs can reduce the impact of vibration on the device, improve the stability of the device during operation, and help improve the processing quality.
  • FIG. 1 is a schematic diagram of the structure of a jig used for processing a sewing machine casing.
  • FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 .
  • Fig. 3 is a side view of a jig for machining a sewing machine casing.
  • FIG. 4 is a schematic view of the structure of placing a plate in a jig for processing a sewing machine casing.
  • a fixture for processing a sewing machine casing includes a processing table 1, and a support mechanism for placing the casing is arranged inside the processing table 1.
  • the supporting mechanism The upper side is provided with a clamping mechanism for fixing the housing, and the clamping mechanism is connected with a drive mechanism arranged outside the processing table 1 .
  • the support mechanism includes a fixing block 22 fixedly connected to the inner bottom of the processing table 1 , the inner side of the fixing block 22 is bolted and provided with a second motor 23 , and the output end of the second motor 23 is provided.
  • the second threaded rod 24 is threadedly connected with the fixing rod 25 fixedly connected to the bottom of the placing plate 2
  • the placing plate 2 is arranged on the upper side of the fixing block 2, and the outer side of the placing plate 2
  • the fixed connection is provided with a number of limit rods 3, the limit rods 3 are slidably connected with the guide grooves 4 provided on the inner side of the processing table 1, and the support mechanism is provided to facilitate people to take and place the shell.
  • the clamping mechanism includes telescopic rods 26 that are fixedly connected to the front, rear, left, right, and four sides of the fixing block 22 .
  • Block 27, the upper side of the connecting block 27 is provided with a sliding block 29, the sliding block 29 is slidably connected with the sliding groove 30 provided on the inner wall of the processing table 1, and the sliding block 29 and the connecting block 27 are hingedly provided with
  • the first connecting rod 28, the upper side of the slider 29 is provided with a rotating rod 5 that is rotatably connected with the processing table 1, the inner side of the rotating rod 5 is slidably connected with a movable rod 6, and the bottom of the movable rod 6 is fixedly connected with a Push block 32, a second connecting rod 31 is hinged between the push block 32 and the slider 29, and a clamping block 7 is fixedly connected to the side of the movable rod 6 away from the rotating rod 5.
  • the connecting block 27 drives the sliding block 29 to move through the first connecting rod 28, and the sliding block 29 drives the clamping block 7 to move through the second connecting rod 31 to complete the fixing of the casing. 26, so that the device can fix the casing from the left and right sides, and can also complete the fixing of the casing from the front and rear sides, so that it is convenient for people to process different surfaces of the casing.
  • the upper and lower sides of the movable rod 6 are fixedly connected with a limit block 33
  • the limit block 33 is slidably connected with the limit groove 34 provided on the inner side of the rotating rod 5 .
  • the inner side of the clamping block 7 is bolted and provided with an air pump 16, and the input end of the air pump 16 is connected to the air guide groove 15 provided on the inner side of the clamping block 7 through the suction pipe, and the air guide groove 15 is placed close to the
  • One side of the plate 2 is provided with a number of adsorption pipes 17 that are slidably connected to the clamping block 7 .
  • the adsorption pipes 17 are located on the outer side of the inner part of the clamping block 7 and are fixedly connected with a baffle 18 , and the baffle 18 is fixed between the clamping block 7
  • the connection is provided with a first spring, and the other end of the adsorption tube 17 is fixedly connected with a suction cup 21.
  • the device can provide further fixing to the outer casing under the action of the air pump 16, thereby enhancing the fixing of the device.
  • the adsorption tube 17 can be effectively attached to the surface of the casing, which is beneficial to improve the clamping quality.
  • the driving mechanism includes a fixed frame fixedly connected to the front and rear sides of the top of the processing table 1 , and a first motor 8 for driving the rotating rod 5 is bolted on the inner side of the fixed frame on the rear side.
  • the left and right ends of the inner side of the fixed frame are both rotatably connected with a first threaded rod 9, and the first threaded rod 9 and the outer sides of the front and rear sides of the rotating rods 5 are fixedly connected with a pulley 10, and the pulley on the adjacent side is provided with a pulley 10.
  • the outer side of the first threaded rod 9 is threadedly provided with a push plate 12, the outer side of the push plate 12 is fixedly connected with a guide block 35 that is slidably connected to the processing table 1, the push plate 12 A rack 13 is fixedly connected at the top, and a transmission gear 14 meshing with the rack 13 is fixedly connected to the outside of the rotating rod 5 at the left and right ends.
  • a driving mechanism By setting a driving mechanism, the rotation of the clamping mechanism can be realized, which is convenient for workers. Processing different surfaces of the shell is beneficial to improve the processing efficiency.
  • a base 36 is provided on the lower side of the processing table 1 , a buffer plate 37 is slidably connected to the inner side of the base 36 , and a plurality of buffer blocks 38 are fixedly connected to the top of the buffer plate 37 .
  • the top end of the buffer block 38 is fixedly connected with the processing table 1, and the bottom end of the buffer plate 37 and the base 36 are fixedly connected with a number of second springs 39.
  • a rubber pad 20 is fixedly connected to the side of the baffle 18 away from the adsorption tube 17 .
  • the fixture used for processing the sewing machine shell is provided with a support mechanism to facilitate people to take and place the shell.
  • the telescopic rod 26 is used to push the connecting block 27 to move, and the connecting block 27 drives the slider through the first connecting rod 28. 29 moves, the slider 29 drives the clamping block 7 to move through the second connecting rod 31 to complete the fixing of the casing, and by setting a plurality of telescopic rods 26, the device can not only complete the fixing of the casing from the left and right sides, but also can fix the casing from the front and rear. The two sides are fixed, which makes it convenient for people to process different sides of the shell.
  • the device can further fix the shell under the action of the air pump 16, thereby enhancing the firmness of the device.
  • a spring 19 can effectively fit the adsorption tube 17 with the surface of the shell, which is beneficial to improve the clamping quality.
  • the driving mechanism By setting the driving mechanism, the rotation of the clamping mechanism can be realized, which is convenient for workers to process different surfaces of the shell, which is beneficial to improve the processing efficiency.
  • the second spring 39 By arranging the second spring 39, the influence of vibration on the device can be reduced, the stability of the device during operation is improved, and the processing quality can be improved.
  • the working principle of the present invention is: place the shell to be processed on the placing plate 2, use the telescopic rod 26 to push the connecting block 27 to move, the connecting block 27 drives the slider 29 to move through the first connecting rod 28, and the slider 29 is connected by the second
  • the rod 31 drives the clamping block 7 to move to complete the fixing of the housing.
  • the device can fix the housing from the left and right sides, and also from the front and rear sides, so that it is convenient for people to fix the housing. Different surfaces are processed, and under the action of the air pump 16, the device can further fix the housing, thereby enhancing the firmness of the device.
  • the rotation of the clamping mechanism can be realized, which is convenient for workers to process different surfaces of the shell, which is beneficial to improve the processing efficiency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

一种用于缝纫机外壳加工的夹具，包括加工台（1），加工台（1）内侧设置有用于放置外壳的支撑机构，支撑机构上侧设置有用于固定外壳的夹紧机构，夹紧机构与设置在加工台（1）外侧的驱动机构连接；该夹具通过设置夹紧机构，利用伸缩杆（26）推动连接块（27）移动，连接块（27）通过第一连接杆（28）带动滑块（29）移动，滑块（29）通过第二连接杆（31）带动夹块（7）移动，完成对外壳的固定；通过设置多个伸缩杆（26），使夹具既能对外壳从左右两侧完成固定，也可以对外壳从前后两侧完成固定，进而方便人们对外壳不同面进行加工；通过设置吸附管（17）和吸盘（21），在气泵（16）的作用下，夹具可以对外壳提供进一步的固定，从而增强固定的牢固性。

Description

一种用于缝纫机外壳加工的夹具 技术领域
本发明涉及缝纫机配件加工领域，具体是一种用于缝纫机外壳加工的夹具。
 背景技术
缝纫机是用一根或多根缝纫线，在缝料上形成一种或多种线迹，使一层或多层缝料交织或缝合起来的机器。一般缝纫机都由机头、机座、传动和附件四部分组成。缝纫机的机头通常由铸铁或铝合金通过铸造工艺首先获得缝纫机机壳，再将机壳加工制成机头。
 技术问题
缝纫机的加工精度要求较高，其中缝纫机壳体的加工是难点，而铰孔是铸造机壳加工过程中的一个重要工序，大多是工人一个一个将缝纫机壳体进行固定，然后依次单个进行铰孔操作。而缝纫机壳体需要进行铰孔的孔分布在机壳的不同面，工人在进行铰孔操作时通常需要将带有需要加工的孔的面朝上以便于加工，因此铰孔操作中需要更换不同的铰孔面、并固定机壳，这占用了整个铰孔工序的一半以上的时间，不但工人的劳动强高，而且生产效率低下，因此，针对以上现状，迫切需要开发一种用于缝纫机外壳加工的夹具，以克服当前实际应用中的不足。
 技术解决方案
本发明的目的在于提供一种用于缝纫机外壳加工的夹具，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种用于缝纫机外壳加工的夹具，包括加工台，所述加工台内侧设置有用于放置外壳的支撑机构，所述支撑机构上侧设置有用于固定外壳的夹紧机构，所述夹紧机构与设置在加工台外侧的驱动机构连接。
作为本发明进一步的方案：所述支撑机构包括固定连接设置在加工台内侧底部的固定块，所述固定块内侧螺栓连接设置有第二电机，所述第二电机输出端与第二螺纹杆连接，所述第二螺纹杆与固定连接设置在放置板底部的固定杆螺纹连接，所述放置板设置在固定块上侧，所述放置板外侧固定连接设置有若干限位杆，所述限位杆与设置在加工台内侧的导向槽滑动连接。
作为本发明进一步的方案：所述夹紧机构包括固定连接设置在固定块前后左右四侧的伸缩杆，所述伸缩杆远离固定板一侧固定连接设置有与加工台滑动连接的连接块，所述连接块上侧设置有滑块，所述滑块与设置在加工台内壁上的滑槽滑动连接，所述滑块与连接块之间铰接设置有第一连接杆，所述滑块上侧设置有与加工台转动连接的转杆，所述转杆内侧滑动连接设置有活动杆，所述活动杆底部固定连接设置有推块，所述推块与滑块之间铰接设置有第二连接杆，所述活动杆远离转杆一侧固定连接设置有夹块。
作为本发明进一步的方案：所述活动杆上下两侧均固定连接设置有限位块，所述限位块与设置在转杆内侧的限位槽滑动连接。
作为本发明进一步的方案：所述夹块内侧螺栓连接设置有气泵，所述气泵输入端通过吸气管与设置在夹块内侧的导气槽连接，所述导气槽靠近放置板一侧设置有若干与夹块滑动连接的吸附管，所述吸附管位于夹块内侧部分外侧固定连接设置有挡板，所述挡板与夹块之间固定连接设置有第一弹簧，所述吸附管另一端固定连接设置有吸盘。
作为本发明进一步的方案：所述驱动机构包括固定连接设置在加工台顶端前后两侧的固定框，后侧所述固定框内侧螺栓连接设置有用于驱动转杆的第一电机，两侧所述固定框内侧左右两端均转动连接设置有第一螺纹杆，所述第一螺纹杆和前后两侧转杆外侧均固定连接设置有带轮，相邻一侧所述带轮之间通过皮带连接，所述第一螺纹杆外侧螺纹连接设置有推板，所述推板外侧固定连接设置有与加工台滑动连接的导向块，所述推板顶部固定连接设置有齿条，左右两端所述转杆外侧均固定连接设置有与齿条啮合连接的传动齿轮。
作为本发明进一步的方案：所述加工台下侧设置有底座，所述底座内侧滑动连接设置有缓冲板，所述缓冲板顶部固定连接设置有若干与底座滑动连接的缓冲块，所述缓冲块顶端与加工台固定连接，所述缓冲板底端与底座之间固定连接设置有若干第二弹簧。
 有益效果
与现有技术相比，本发明的有益效果是：1.通过设置支撑机构，方便人们对外壳进行取放，通过设置夹紧机构，利用伸缩杆推动连接块移动，连接块通过第一连接杆带动滑块移动，滑块通过第二连接杆带动夹块移动完成对外壳的固定，通过设置多个伸缩杆，使装置既能对外壳从左右两侧完成固定，也可以对外壳从前后两侧完成固定，进而方便人们对外壳不同面进行加工；2.通过设置吸附管和吸盘，在气泵的作用下装置可以对外壳提供进一步的固定，从而增强装置固定的牢固性，通过设置第一弹簧，可以使吸附管与外壳表面有效贴合，利于提高夹持质量；3.通过设置驱动机构，可以实现对夹紧机构的旋转，方便工人对外壳不同面进行加工，利于提高加工效率，通过设置第二弹簧，可以降低震动对装置的影响，提高了装置运行时的稳定性，利于提高加工质量。
 附图说明
图1为用于缝纫机外壳加工的夹具的结构示意图。
图2为图1中A处的放大结构示意图。
图3为用于缝纫机外壳加工的夹具的侧视图。
图4为用于缝纫机外壳加工的夹具中放置板的结构示意图。
图中：1-加工台，2-放置板，3-限位杆，4-导向槽，5-转杆，6-活动杆，7-夹块，8-第一电机，9-第一螺纹杆，10-带轮，11-皮带，12-推板，13-齿条，14-传动齿轮，15-导气槽，16-气泵，17-吸附管，18-挡板，19-第一弹簧，20-橡胶垫，21-吸盘，22-固定块，23-第二电机，24-第二螺纹杆，25-固定杆，26-伸缩杆，27-连接块，28-第一连接杆，29-滑块，30-滑槽，31-第二连接杆，32-推块，33-限位块，34-限位槽，35-导向块，36-底座，37-缓冲板，38-缓冲块，39-第二弹簧。
 本发明的实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
下面详细描述本专利的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本专利，而不能理解为对本专利的限制。
实施例1 请参阅图1-4，本发明实施例中，一种用于缝纫机外壳加工的夹具，包括加工台1，所述加工台1内侧设置有用于放置外壳的支撑机构，所述支撑机构上侧设置有用于固定外壳的夹紧机构，所述夹紧机构与设置在加工台1外侧的驱动机构连接。
实施例2 本实施例中，所述支撑机构包括固定连接设置在加工台1内侧底部的固定块22，所述固定块22内侧螺栓连接设置有第二电机23，所述第二电机23输出端与第二螺纹杆24连接，所述第二螺纹杆24与固定连接设置在放置板2底部的固定杆25螺纹连接，所述放置板2设置在固定块2上侧，所述放置板2外侧固定连接设置有若干限位杆3，所述限位杆3与设置在加工台1内侧的导向槽4滑动连接，通过设置支撑机构，方便人们对外壳进行取放。
本实施例中，所述夹紧机构包括固定连接设置在固定块22前后左右四侧的伸缩杆26，所述伸缩杆26远离固定板22一侧固定连接设置有与加工台1滑动连接的连接块27，所述连接块27上侧设置有滑块29，所述滑块29与设置在加工台1内壁上的滑槽30滑动连接，所述滑块29与连接块27之间铰接设置有第一连接杆28，所述滑块29上侧设置有与加工台1转动连接的转杆5，所述转杆5内侧滑动连接设置有活动杆6，所述活动杆6底部固定连接设置有推块32，所述推块32与滑块29之间铰接设置有第二连接杆31，所述活动杆6远离转杆5一侧固定连接设置有夹块7，通过设置夹紧机构，利用伸缩杆26推动连接块27移动，连接块27通过第一连接杆28带动滑块29移动，滑块29通过第二连接杆31带动夹块7移动完成对外壳的固定，通过设置多个伸缩杆26，使装置既能对外壳从左右两侧完成固定，也可以对外壳从前后两侧完成固定，进而方便人们对外壳不同面进行加工。
本实施例中，所述活动杆6上下两侧均固定连接设置有限位块33，所述限位块33与设置在转杆5内侧的限位槽34滑动连接。
本实施例中，所述夹块7内侧螺栓连接设置有气泵16，所述气泵16输入端通过吸气管与设置在夹块7内侧的导气槽15连接，所述导气槽15靠近放置板2一侧设置有若干与夹块7滑动连接的吸附管17，所述吸附管17位于夹块7内侧部分外侧固定连接设置有挡板18，所述挡板18与夹块7之间固定连接设置有第一弹簧，所述吸附管17另一端固定连接设置有吸盘21，通过设置吸附管17和吸盘21，在气泵16的作用下装置可以对外壳提供进一步的固定，从而增强装置固定的牢固性，通过设置第一弹簧19，可以使吸附管17与外壳表面有效贴合，利于提高夹持质量。
本实施例中，所述驱动机构包括固定连接设置在加工台1顶端前后两侧的固定框，后侧所述固定框内侧螺栓连接设置有用于驱动转杆5的第一电机8，两侧所述固定框内侧左右两端均转动连接设置有第一螺纹杆9，所述第一螺纹杆9和前后两侧转杆5外侧均固定连接设置有带轮10，相邻一侧所述带轮10之间通过皮带11连接，所述第一螺纹杆9外侧螺纹连接设置有推板12，所述推板12外侧固定连接设置有与加工台1滑动连接的导向块35，所述推板12顶部固定连接设置有齿条13，左右两端所述转杆5外侧均固定连接设置有与齿条13啮合连接的传动齿轮14，通过设置驱动机构，可以实现对夹紧机构的旋转，方便工人对外壳不同面进行加工，利于提高加工效率。
本实施例中，所述加工台1下侧设置有底座36，所述底座36内侧滑动连接设置有缓冲板37，所述缓冲板37顶部固定连接设置有若干与底座36滑动连接的缓冲块38，所述缓冲块38顶端与加工台1固定连接，所述缓冲板37底端与底座36之间固定连接设置有若干第二弹簧39，通过设置第二弹簧39，可以降低震动对装置的影响，提高了装置运行时的稳定性，利于提高加工质量。
本实施例中，所述挡板18远离吸附管17一侧固定连接设置有橡胶垫20。
该用于缝纫机外壳加工的夹具，通过设置支撑机构，方便人们对外壳进行取放，通过设置夹紧机构，利用伸缩杆26推动连接块27移动，连接块27通过第一连接杆28带动滑块29移动，滑块29通过第二连接杆31带动夹块7移动完成对外壳的固定，通过设置多个伸缩杆26，使装置既能对外壳从左右两侧完成固定，也可以对外壳从前后两侧完成固定，进而方便人们对外壳不同面进行加工，通过设置吸附管17和吸盘21，在气泵16的作用下装置可以对外壳提供进一步的固定，从而增强装置固定的牢固性，通过设置第一弹簧19，可以使吸附管17与外壳表面有效贴合，利于提高夹持质量，通过设置驱动机构，可以实现对夹紧机构的旋转，方便工人对外壳不同面进行加工，利于提高加工效率，通过设置第二弹簧39，可以降低震动对装置的影响，提高了装置运行时的稳定性，利于提高加工质量。
本发明的工作原理是：将待加工外壳放置在放置板2上，利用伸缩杆26推动连接块27移动，连接块27通过第一连接杆28带动滑块29移动，滑块29通过第二连接杆31带动夹块7移动完成对外壳的固定，通过设置多个伸缩杆26，使装置既能对外壳从左右两侧完成固定，也可以对外壳从前后两侧完成固定，进而方便人们对外壳不同面进行加工，在气泵16的作用下装置可以对外壳提供进一步的固定，从而增强装置固定的牢固性，通过设置第一弹簧19，可以使吸附管17与外壳表面有效贴合，利于提高夹持质量，通过设置驱动机构，可以实现对夹紧机构的旋转，方便工人对外壳不同面进行加工，利于提高加工效率。
以上的仅是本发明的优选实施方式，应当指出，对于本领域的技术人员来说，在不脱离本发明构思的前提下，还可以作出若干变形和改进，这些也应该视为本发明的保护范围，这些都不会影响本发明实施的效果和专利的实用性。

Claims (7)

  1. 一种用于缝纫机外壳加工的夹具，包括加工台（1），其特征在于，所述加工台（1）内侧设置有用于放置外壳的支撑机构，所述支撑机构上侧设置有用于固定外壳的夹紧机构，所述夹紧机构与设置在加工台（1）外侧的驱动机构连接。
  2. 根据权利要求1所述的用于缝纫机外壳加工的夹具，其特征在于，所述支撑机构包括固定连接设置在加工台（1）内侧底部的固定块（22），所述固定块（22）内侧螺栓连接设置有第二电机（23），所述第二电机（23）输出端与第二螺纹杆（24）连接，所述第二螺纹杆（24）与固定连接设置在放置板（2）底部的固定杆（25）螺纹连接，所述放置板（2）设置在固定块（2）上侧，所述放置板（2）外侧固定连接设置有若干限位杆（3），所述限位杆（3）与设置在加工台（1）内侧的导向槽（4）滑动连接。
  3. 根据权利要求2所述的用于缝纫机外壳加工的夹具，其特征在于，所述夹紧机构包括固定连接设置在固定块（22）前后左右四侧的伸缩杆（26），所述伸缩杆（26）远离固定板（22）一侧固定连接设置有与加工台（1）滑动连接的连接块（27），所述连接块（27）上侧设置有滑块（29），所述滑块（29）与设置在加工台（1）内壁上的滑槽（30）滑动连接，所述滑块（29）与连接块（27）之间铰接设置有第一连接杆（28），所述滑块（29）上侧设置有与加工台（1）转动连接的转杆（5），所述转杆（5）内侧滑动连接设置有活动杆（6），所述活动杆（6）底部固定连接设置有推块（32），所述推块（32）与滑块（29）之间铰接设置有第二连接杆（31），所述活动杆（6）远离转杆（5）一侧固定连接设置有夹块（7）。
  4. 根据权利要求3所述的用于缝纫机外壳加工的夹具，其特征在于，所述活动杆（6）上下两侧均固定连接设置有限位块（33），所述限位块（33）与设置在转杆（5）内侧的限位槽（34）滑动连接。
  5. 根据权利要求4所述的用于缝纫机外壳加工的夹具，其特征在于，所述夹块（7）内侧螺栓连接设置有气泵（16），所述气泵（16）输入端通过吸气管与设置在夹块（7）内侧的导气槽（15）连接，所述导气槽（15）靠近放置板（2）一侧设置有若干与夹块（7）滑动连接的吸附管（17），所述吸附管（17）位于夹块（7）内侧部分外侧固定连接设置有挡板（18），所述挡板（18）与夹块（7）之间固定连接设置有第一弹簧，所述吸附管（17）另一端固定连接设置有吸盘（21）。
  6. 根据权利要求3所述的用于缝纫机外壳加工的夹具，其特征在于，所述驱动机构包括固定连接设置在加工台（1）顶端前后两侧的固定框，后侧所述固定框内侧螺栓连接设置有用于驱动转杆（5）的第一电机（8），两侧所述固定框内侧左右两端均转动连接设置有第一螺纹杆（9），所述第一螺纹杆（9）和前后两侧转杆（5）外侧均固定连接设置有带轮（10），相邻一侧所述带轮（10）之间通过皮带（11）连接，所述第一螺纹杆（9）外侧螺纹连接设置有推板（12），所述推板（12）外侧固定连接设置有与加工台（1）滑动连接的导向块（35），所述推板（12）顶部固定连接设置有齿条（13），左右两端所述转杆（5）外侧均固定连接设置有与齿条（13）啮合连接的传动齿轮（14）。
  7. 根据权利要求1所述的用于缝纫机外壳加工的夹具，其特征在于，所述加工台（1）下侧设置有底座（36），所述底座（36）内侧滑动连接设置有缓冲板（37），所述缓冲板（37）顶部固定连接设置有若干与底座（36）滑动连接的缓冲块（38），所述缓冲块（38）顶端与加工台（1）固定连接，所述缓冲板（37）底端与底座（36）之间固定连接设置有若干第二弹簧（39）。
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