Rotating shuttle grinding device

Abstract

The utility model relates to a rotating shuttle grinding device. The device comprises a rack, a rotating table rotationally installed on the rack, at least two arrangement tables arranged on the top face of the rotating table and used for arranging a bobbin case, a rotating mechanism located above the rotating table and used for driving a bobbin to rotate relative to the bobbin case, and a lifting device driving the rotating mechanism to ascend and descend. The arrangement table is provided with a clamping base used for being matched with the bobbin case in a clamping mode. The rotating mechanism comprises a clamping sleeve used for being matched with the shuttle peg in a clamping mode and a driving piece used for driving the clamping sleeve to rotate, and a clamping block used for allowing a bottom plate of the shuttle peg to abut against is arranged at the bottom of the clamping sleeve. The rotating shuttle grinding device has the effect of improving the grinding efficiency of the rotating shuttle.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of textile machinery equipment, in particular to a rotating shuttle grinding device. BACKGROUND

[0002] The rotating shuttle is an important part of the sewing machine, and the relative movement of the shuttle shell and the shuttle core needs to be rotated at high speed. Therefore, the contact surface of the shuttle shell and the shuttle core needs to be ground to make the rotation of the shuttle shell and the shuttle core more smooth.

[0003] REFERENCE Figure 1 and Figure 2 A rotating shuttle includes a shuttle shell 1 and a shuttle core 2 rotatably installed in the shuttle shell 1. The bottom of the shuttle shell 1 has a through hole 11 arranged, and the side of the bottom of the shuttle shell 1 has a vertical reference surface 12 arranged. The bottom of the shuttle core 2 has a horizontal bottom plate 21 arranged. In the related art, the shuttle shell 1 is usually fixed on a grinding machine, and the output shaft of the grinding machine is connected with the bottom plate 21 of the shuttle core 2 to drive the rotation of the shuttle core 2, so as to grind the contact surface of the shuttle shell 1 and the shuttle core 2. After the grinding is completed, the rotating shuttle is taken out of the grinding machine, and then the next rotating shuttle is ground.

[0004] In the related art, when the rotating shuttle is ground, the rotating shuttle needs to be installed on the grinding machine in sequence, and after waiting for the grinding to be completed, the rotating shuttle with completed grinding needs to be taken off, so that the rotating shuttle with ungrounding can be installed on the grinding machine for grinding, so that the grinding efficiency needs to be improved. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the grinding efficiency of the rotating shuttle, the present application provides a rotating shuttle grinding device.

[0006] The rotating shuttle grinding device provided by the present application adopts the following technical scheme:

[0007] A rotating shuttle grinding device includes a rack, a rotating table rotatably installed on the rack, at least two arrangement tables arranged on the top surface of the rotating table and used for arranging the shuttle shell, a rotating mechanism located above the rotating table and used for driving the rotation of the shuttle core relative to the shuttle shell, and a lifting device used for driving the lifting of the rotating mechanism; the arrangement table is provided with a clamping seat used for clamping the shuttle shell; the rotating mechanism includes a clamping sleeve used for clamping the shuttle core and a driving piece used for driving the rotation of the clamping sleeve, and the bottom of the clamping sleeve is provided with a clamping block used for abutting against the bottom plate of the shuttle core.

[0008] By adopting the technical scheme, the rotating shuttle is installed on the arrangement table, and the shuttle shell is clamped on the clamping seat. The rotating table is rotated, the arrangement table is located below the rotating mechanism, the rotating mechanism is driven to move downward by the lifting device, and the bottom plate of the shuttle core can abut against the side of the clamping block to drive the rotation of the shuttle core when the clamping sleeve rotates, so that the contact surface of the shuttle core and the shuttle shell is ground. When the rotating shuttle on one of the arrangement tables is ground, the rotating mechanism is driven to move upward by the lifting device, then the rotating table is rotated, the other arrangement table is located below the rotating mechanism, and the above steps are repeated, so that the rotating shuttle can be ground. The rotating shuttle can be installed on the arrangement table in advance, the rotating table is only rotated when the rotating shuttle on one of the arrangement tables is ground, the rotating shuttle on the next arrangement table can be ground, and the grinding efficiency is high.

[0009] Optionally, the clamping seat comprises a plug-in column for inserting the arrangement through hole in the bottom of the shuttle shell and a limiting baffle arranged on one side of the plug-in column and used for abutting against the reference surface of the shuttle shell.

[0010] By adopting the technical scheme, the specific structure of the clamping seat is disclosed. When the rotating shuttle is installed on the clamping seat, the plug-in column can be inserted into the arrangement through hole in the bottom of the shuttle shell, so that the stability of the rotating shuttle when installed on the clamping seat is ideal. When the shuttle core rotates, the limiting baffle abuts against the reference surface of the shuttle shell, so that the rotation of the shuttle shell is limited.

[0011] Optionally, the driving member has six rotating shafts arranged at intervals in the circumferential direction, the bottom of each rotating shaft is sleeved with the clamping sleeve, and the arrangement table is provided with six clamping seats arranged one by one with the rotating shafts.

[0012] By adopting the technical scheme, the arrangement of the six rotating shafts enables the driving member to simultaneously drive the six clamping sleeves to rotate, and the arrangement of the six clamping seats arranged one by one with the rotating shafts on the arrangement table enables the six rotating shuttles to be simultaneously ground, which helps to improve the grinding efficiency of the rotating shuttles.

[0013] Optionally, the rotating shaft is provided with a sliding through groove in the length direction and radially, the clamping sleeve is provided with a locking through hole penetrating through the two side walls and a limiting bolt for sliding cooperation with the sliding through groove is threadedly installed at the locking through hole, the rotating shaft is provided with an abutting nut above the clamping sleeve, the rotating shaft is provided with an abutting spring between the abutting nut and the clamping sleeve, and the abutting spring drives the clamping sleeve to always have a downward movement trend.

[0014] By adopting the technical scheme, the cooperation of the sliding groove and the limiting bolt enables the clamping sleeve to slide up and down on the rotating shaft, and the abutting nut and the abutting spring are arranged on the rotating shaft, one end of the abutting spring can abut against the abutting nut and the other end can abut against the clamping sleeve, so that the clamping sleeve always has a downward moving tendency. When the lifting device drives the rotating mechanism to move downward and the clamping sleeve is in cooperation with the shuttle core, the abutting spring can provide the clamping sleeve with a downward pre-tightening force, so that the clamping sleeve and the shuttle core can stably abut against each other, which helps to make the stability of the rotating shuttle core ideal.

[0015] Optionally, vertical guide columns are arranged on both sides of the rack, and guide ears for sliding cooperation with the guide columns are arranged on both sides of the driving member.

[0016] By adopting the technical scheme, the cooperation of the guide columns and the guide ears enables the rotating mechanism to move up and down along the guide columns, so that the clamping sleeve can be in cooperation with the shuttle core arranged in the rotating shuttle on the clamping seat.

[0017] Optionally, the guide ear has a guide through hole for cooperation with the guide column, and a guide shaft sleeve for cooperation with the guide column is arranged at the guide through hole.

[0018] By adopting the technical scheme, the arrangement of the guide shaft sleeve makes the stability of the rotating mechanism ideal when sliding up and down.

[0019] Optionally, a plunger through hole is formed in one side surface of the rack which is attached to the rotating table, and a ball head spring plunger is arranged at the plunger through hole; a plurality of clamping holes for abutting cooperation with plunger balls of the ball head spring plunger are circumferentially arranged on the bottom surface of the rotating table, and the number of the clamping holes is consistent with the number of the arrangement tables.

[0020] By adopting the technical scheme, the cooperation of the ball head spring plunger and the clamping hole enables the plunger ball of the ball head spring plunger to be clamped into one of the clamping holes when the arrangement table is located directly below the rotating mechanism when the rotating table is rotated, so that the rotating table is not easy to move, which helps to make the stability of the rotating mechanism driving the shuttle core to rotate ideal.

[0021] Optionally, a rotating handle is arranged on the outer side wall of the rotating table.

[0022] By adopting the technical scheme, the arrangement of the rotating handle enables the operator to more easily rotate the rotating table.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. A spinning shuttle grinding device, by setting a rotating table on a frame and setting at least two arrangement tables for arranging shuttle shells on the rotating table, so that the spinning shuttle can be installed in advance on the arrangement table, when the spinning shuttle grinding on one arrangement table is completed, only need to rotate the rotating table, so that the next arrangement table is located below the rotating mechanism, so as to grind the spinning shuttle, during the grinding process, the already ground spinning shuttle can be taken off, and the unground spinning shuttle is installed in advance on the arrangement table, so that the grinding process is more convenient.

[0025] 2. By setting six clamping seats on the arrangement table, the cooperation of the six clamping seats and the six rotating shafts can enable six spinning shuttles to be ground at a time.

[0026] 3. By setting the abutting spring and the abutting nut on the rotating shaft, the clamping sleeve can be provided with pre-tightening force, so that the stability of the clamping sleeve when driving the core to rotate is ideal. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic diagram of the spinning shuttle in the embodiment of the application.

[0028] Figure 2 is the overall structure schematic diagram of the spinning shuttle in the embodiment of the application.

[0029] Figure 3 is the overall structure schematic diagram of the embodiment of the application.

[0030] Figure 4 is the bottom view of the rotating table in the embodiment of the application.

[0031] Figure 5 is the structure schematic diagram of the supporting base in the embodiment of the application.

[0032] Figure 6 is the structure schematic diagram of the arrangement table in the embodiment of the application.

[0033] Figure 7 is the structure schematic diagram of the cooperation of the rotating shaft and the clamping sleeve in the embodiment of the application.

[0034] Explanation of reference signs: 1, bobbin shell; 11, arrangement through hole; 12, reference surface; 2, bobbin core; 21, bottom plate; 3, rack; 31, support base; 32, support column; 33, bearing hole; 34, guide column; 4, rotating table; 41, rotating column; 42, rotating bearing; 43, clamping hole; 44, rotating handle; 5, arrangement table; 51, clamping seat; 511, clamping bottom plate; 512, plug-in column; 513, positioning ring; 514, limiting baffle; 6, rotating mechanism; 61, driving piece; 611, rotating shaft; 6111, sliding through groove; 612, abutting nut; 613, abutting spring; 614, guide lug; 615, guide sleeve; 62, clamping sleeve; 621, clamping block; 622, limiting bolt; 7, lifting device; 8, ball head spring plunger. DETAILED DESCRIPTION

[0035] The following will be described in detail in combination with the accompanying Figures 1-7 Further detailed description will be made to the present application.

[0036] The embodiment of the present application discloses a rotating bobbin grinding device. The rotating bobbin grinding device is used for grinding the rotating bobbin, and the related technical features of the rotating bobbin in the subsequent documents can be referred to Figure 1 and Figure 2 Therefore, the Figure 1 and Figure 2 will not be cited separately in the subsequent documents.

[0037] Referring to Figure 3 , the rotating bobbin grinding device comprises a rack 3, a rotating table 4 rotatably installed on the rack 3, an arrangement table 5 installed on the top surface of the rotating table 4, a rotating mechanism 6 located above the rotating table 4, and a lifting device 7 connecting the rack 3 and the rotating mechanism 6.

[0038] Referring to Figure 4 , the rack 3 comprises a support base 31 and a support column 32 installed on the support base 31.

[0039] Referring to Figure 4 and Figure 5, the rotating table 4 is disc-shaped and is mounted on the support base 31, the bottom of the rotating table 4 is provided with a rotating column 41 along an axis, and a rotating bearing 42 is mounted at the outer surface of the rotating column 41. The top surface of the support base 31 is provided with a bearing hole 33, the inner diameter of the bearing hole 33 is matched with the outer diameter of the rotating bearing 42, so that the rotating bearing 42 can be clamped at the bearing hole 33. In order to fix the rotating table 4 at a specified position when rotating, the top surface of the support base 31 is provided with a plunger through hole and a ball head spring plunger 8 is mounted in the plunger through hole. The bottom surface of the rotating table 4 is circumferentially and spaced apart provided with three clamping holes 43 for abutting with the plunger ball of the ball head spring plunger 8. In this embodiment, the number of the plunger through hole and the ball head spring plunger 8 is three and is arranged one by one corresponding to the three clamping holes 43. In order to facilitate the operator to rotate the rotating table 4, the outer side wall of the rotating table 4 is circumferentially and spaced apart provided with three rotating handles 44.

[0040] With reference to Figure 3 , the arrangement table 5 is disc-shaped, the number of the arrangement table 5 is three and is circumferentially and spaced apart mounted on the top surface of the rotating table 4 through bolts.

[0041] With reference to Figure 3 and Figure 6 , the top surface of each arrangement table 5 is circumferentially and spaced apart provided with six clamping seats 51. The clamping seat 51 includes a clamping base plate 511 mounted on the arrangement table 5, a plug-in column 512 provided along the axis direction of the clamping base plate 511, a positioning ring 513 sleeved on the plug-in column 512, and a limiting baffle 514 provided on the top surface of the clamping base plate 511 and located on one side of the plug-in column 512. The outer side wall of the positioning ring 513 is provided with a through hole, and a bolt is arranged in the through hole, the front end of the bolt abuts against the outer side wall of the plug-in column 512, so that the positioning ring 513 is fixed with the plug-in column 512. Among them, the height of the positioning ring 513 is less than the height of the plug-in column 512, after the positioning ring 513 is fixed on the plug-in column 512, the plug-in column 512 has an extension part extending to the outside of the top of the positioning ring 513, when the bobbin is mounted in the clamping seat 51, the extension part can be inserted into the arrangement through hole 11 in the bottom of the bobbin shell 1, and the top surface of the positioning ring 513 can support the bobbin shell 1. When the bobbin is mounted in the clamping seat 51, the limiting baffle 514 can be opposite to the reference surface 12 of the bobbin shell 1, when the bobbin core 2 rotates, the reference surface 12 of the bobbin shell 1 can abut against the limiting baffle 514, so that the bobbin shell 1 can keep non-rotating state.

[0042] With reference to Figure 3 and Figure 7The rotating mechanism 6 comprises a driving member 61 and a clamping sleeve 62. The driving member 61 is a multi-shaft device and has six rotation shafts 611 arranged at intervals in the circumferential direction. The bottom end of each rotation shaft 611 is sleeved with a clamping sleeve 62. The bottom of the clamping sleeve 62 is symmetrically provided with clamping blocks 621 along the axial direction for abutting against the bottom plate 21 of the bobbin 2. When the clamping sleeve 62 rotates, the bottom plate 21 of the bobbin 2 can be clamped between the two clamping blocks 621, so that the bottom plate 21 of the bobbin 2 abuts on the side of the clamping block 621 to drive the bobbin 2 to rotate. In order to enable the clamping sleeve 62 to always abut against the bobbin 2 when rotating, the rotation shaft 611 is radially provided with a sliding through groove 6111 along the length direction, the clamping sleeve 62 is provided with a locking through hole penetrating through the two side walls, and a limiting bolt 622 is installed at the locking through hole. The limiting bolt 622 passes through the locking through hole on one side of the clamping sleeve 62, passes through the sliding through groove 6111, and is screwed with the locking through hole on the other side of the clamping sleeve 62, so that the clamping sleeve 62 can slide up and down on the rotation shaft 611. The rotation shaft 611 is further provided with an abutting nut 612 above the clamping sleeve 62, and an abutting spring 613 is sleeved between the abutting nut 612 and the clamping sleeve 62. The top end of the abutting spring 613 abuts against the bottom of the abutting nut 612, and the bottom end of the abutting spring 613 abuts against the top of the abutting spring 613, so as to drive the clamping sleeve 62 to always move downward. When the rotating mechanism 6 moves downward and the clamping sleeve 62 is clamped with the bobbin 2, the abutting spring 613 can provide a pre-tightening force for the clamping sleeve 62, so that the clamping sleeve 62 can always be clamped with the bobbin 2 when rotating.

[0043] With reference to Figure 3 The lifting device 7 is installed on the supporting column 32, and the lifting device 7 is a driving oil cylinder. The bottom end of the piston rod of the lifting device 7 is connected with the top end of the driving member 61. In order to make the stability of the lifting device 7 ideal when driving the driving member 61 to lift, the two sides of the supporting base 31 are provided with vertically arranged guide columns 34, and the two sides of the driving member 61 are provided with guide ears 614. The guide ears 614 are provided with guide through holes penetrating through the upper and lower surfaces and are provided with guide shaft sleeves 615 in the guide through holes. The two guide columns 34 pass through the two guide shaft sleeves 615 respectively, so that the driving member 61 can move along the guide columns 34 when lifting.

[0044] In combination Figures 3 to 7The implementation principle of the embodiment of the rotating shuttle grinding device is as follows: the rotating shuttle is installed on the clamping seat 51 on two of the three arrangement tables 5, the arrangement table 5 close to the rotating mechanism 6 is located directly below the rotating mechanism 6 by rotating the rotating table 4, at this time, the plunger ball of the ball head spring plunger 8 can be clamped into the clamping hole 43. The lifting device 7 drives the driving member 61 to move downward, so that the bottom plate 21 of the shuttle core 2 can abut against the side edge of the clamping block 621 of the clamping sleeve 62, the driving member 61 drives the rotation of the shuttle core 2 to grind the shuttle core 2 and the shuttle shell 1. After the grinding is completed, the other arrangement table 5 is located directly below the rotating mechanism 6 by rotating the rotating table 4, the above arrangement is repeated to complete the grinding of the rotating shuttle, and during the grinding, the rotating shuttle that has been ground can be taken off, and the unground rotating shuttle can be installed on the arrangement table 5.

[0045] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A rotary shuttle grinding device, characterized by, The application relates to a rotating mechanism for a bobbin, which comprises a frame (3), a rotating table (4) rotatably mounted on the frame (3), at least two arrangement tables (5) arranged on the top surface of the rotating table (4) and used for arranging bobbin shells (1), a rotating mechanism (6) arranged above the rotating table (4) and used for driving the rotation of a bobbin core (2) relative to the bobbin shell (1), and lifting devices (7) for driving the lifting of the rotating mechanism (6); the arrangement table (5) is provided with a clamping seat (51) used for clamping the bobbin shell (1); the rotating mechanism (6) comprises a clamping sleeve (62) used for clamping the bobbin core (2) and a driving piece (61) used for driving the rotation of the clamping sleeve (62), and the bottom of the clamping sleeve (62) is provided with a clamping block (621) used for abutting against the bottom plate (21) of the bobbin core (2).

2. A rotary hook grinding apparatus according to claim 1, wherein The clamping seat (51) comprises a plug-in column (512) used for plugging into the arrangement through hole (11) of the bottom of the bobbin shell (1) and a limiting baffle (514) arranged on one side of the plug-in column (512) and used for abutting against the reference surface (12) of the bobbin shell (1).

3. A rotary hook grinding apparatus according to claim 1, wherein The driving piece (61) has six circumferentially spaced rotating shafts (611), and the bottom of each rotating shaft (611) is sleeved with the clamping sleeve (62); the arrangement table (5) is provided with six clamping seats (51) arranged one by one with the rotating shafts (611).

4. A rotary hook grinding apparatus according to claim 3, wherein The rotating shaft (611) is radially provided with a sliding through groove (6111) along the length direction, the clamping sleeve (62) is provided with a locking through hole penetrating through two side walls and is threadedly provided with a limiting bolt (622) used for slidingly matching with the sliding through groove (6111) at the locking through hole; the rotating shaft (611) is provided with an abutting nut (612) above the clamping sleeve (62), is provided with an abutting spring (613) between the abutting nut (612) and the clamping sleeve (62), and the abutting spring (613) drives the clamping sleeve (62) to always have a downward moving trend.

5. A rotary hook grinding apparatus according to claim 1, wherein The frame (3) is provided with vertically arranged guide columns (34) on both sides, and the driving piece (61) is provided with guide ears (614) used for slidingly matching with the guide columns (34) on both sides.

6. A rotary hook grinding apparatus according to claim 5, wherein The guide ear (614) has a guide through hole used for matching with the guide column (34) and is provided with a guide shaft sleeve (615) used for matching with the guide column (34) at the guide through hole.

7. A rotary hook grinding apparatus according to claim 1, wherein The frame (3) is provided with a plunger through hole on one side surface abutting against the rotating table (4) and is provided with a ball head spring plunger (8) at the plunger through hole; the bottom surface of the rotating table (4) is circumferentially spaced provided with at least two clamping holes (43) used for abutting against the plunger ball of the ball head spring plunger (8), and the number of the clamping holes (43) is consistent with the number of the arrangement tables (5).

8. A rotary hook grinding apparatus according to claim 1, wherein The outer side wall of the rotating table (4) is provided with a rotating handle (44).

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