CN219450103U

CN219450103U - Electric lifting frame for industrial sewing machine

Info

Publication number: CN219450103U
Application number: CN202320690724.8U
Authority: CN
Inventors: 潘勇
Original assignee: Dongguan Dekai Sewing Equipment Co ltd
Current assignee: Dongguan Dekai Sewing Equipment Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-01
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of lifting frames, in particular to an electric lifting frame for an industrial sewing machine, which comprises a lower frame and two groups of lifting components, wherein the lifting components comprise a driving component and a telescopic upright post fixed on a lower bracket, a supporting plate is fixed on the top of the telescopic upright post, an installation box is arranged below the supporting plate, the driving component comprises a screw rod sleeve, a screw rod, a driven bevel gear, a driving bevel gear and a motor, the screw rod sleeve and the screw rod are arranged in the telescopic upright post, the lower end of the screw rod sleeve is fixed on the lower frame, the screw rod is rotatably and telescopically connected in the screw rod sleeve in a screwed manner, the driving bevel gear is fixed on the output end of the motor, and the motor is arranged in the installation box. The lifting frame is simple in structure, the driving assembly is arranged in the telescopic upright post and the mounting box, the occupied space is small, and the driving assembly is sealed without a sealing structure.

Description

Electric lifting frame for industrial sewing machine

Technical Field

The utility model relates to the technical field of lifting frames, in particular to an electric lifting frame for an industrial sewing machine.

Background

In the production operation of an automatic sewing machine, in order to improve the number of operators, the height of the sewing machine is generally required to be adjusted to be proper, but the existing workbench for installing the sewing machine is fixed in height and cannot be suitable for the operators with different heights; the workbench in the prior art can adjust the height of the workbench in a manual adjustment mode, but the workbench not only complicates an adjustment program, but also reduces the use efficiency, is unfavorable for flexible adjustment of a tool, and increases the adjustment difficulty because the degree of fit between manual adjustment mechanisms is not high.

In order to reduce the workload of users, the sewing machine is adjusted to a comfortable height, and patent application number 201620965786.5 discloses a sewing machine lifting bracket with a switch group, which drives a synchronous belt (15) to move through a motor (11) so as to drive a screw rod (12) to rotate, and then the screw rod (12) drives a nut (13) fixed on a lifting frame (13) to drive the lifting frame (13) to lift. By adopting the driving mechanism, the structure is complex, the occupied space is large, and the motor (11) and the synchronous belt (15) of the driving mechanism are arranged in the middle of the machine table and occupy a certain space, so that the utilization of the middle space of the sewing machine is not facilitated, and the inconvenience is brought to the subsequent material movement of the sewing machine.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide an electric lifting frame of an industrial sewing machine, which is simple in structure, small in occupied space and free from a sealing structure to seal a driving assembly, and a driving assembly is arranged in a telescopic upright post and a mounting box.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an industry sewing machine motor lift frame, includes lower frame and symmetry set up in two sets of lifting unit of lower frame, lifting unit includes drive assembly and is fixed in the scalable stand of lower carriage, the top of scalable stand is fixed with the backup pad that is used for installing the sewing machine board, the below of backup pad is provided with the mounting box, drive assembly includes the lead screw sleeve pipe, is used for driving scalable stand flexible screw rod, motor and connect the drive assembly between the output of motor and screw rod, lead screw sleeve pipe and screw rod set up in the scalable stand, the lower extreme of lead screw sleeve pipe is fixed in lower frame, the screw rod rotationally telescopic spiro union is in the lead screw sleeve pipe, the motor set up in the mounting box.

The telescopic stand column comprises a main stand column fixed on the lower stand frame and a secondary stand column telescopically sleeved on the main stand column, and the supporting plate is fixed on the top of the secondary stand column.

Wherein, the length of the screw rod sleeve is equivalent to the length of the screw rod.

The screw rod penetrates through the screw rod nut and then stretches into the screw rod sleeve, and the connecting block is fixedly connected with the screw rod nut through a screw.

Wherein, the motors of the two groups of lifting components are synchronous motors.

The device further comprises a controller, a horizontal gyroscope and an alarm, wherein the horizontal gyroscope is used for sensing the height difference between the motors of the two groups of lifting assemblies, the horizontal gyroscope is electrically connected with the controller, the controller is electrically connected with the motors, and the alarm is electrically connected with the controller.

The transmission assembly comprises a worm and a turbine, the turbine is fixed on the screw, and the worm is fixed at the output end of the motor; or, the transmission assembly comprises a driven helical gear and a driving helical gear, wherein the driven helical gear is fixed on the screw rod, and the driving helical gear is fixed at the output end of the motor and meshed with the driven helical gear.

Wherein, be connected with the gusset plate between the main stand of two sets of lifting unit.

Wherein, the main stand column and the secondary stand column are hollow sleeve pipes.

The two ends of the reinforcing plate are respectively provided with a connecting groove, one side of the main upright post is clamped into the connecting grooves, an L-shaped connecting piece is connected between the main upright post and the reinforcing plate, and the main upright post and the L-shaped connecting piece and the reinforcing plate are fixedly connected through screws.

The telescopic upright posts of each group of lifting components are connected with three bolts, the U-shaped parts are arranged at the joints of the telescopic upright posts and the lower rack, the three bolts are distributed in a triangular shape, and the joints of the telescopic upright posts and the lower rack are fixedly connected through the three bolts.

The lower rack comprises two bottom support rods which are arranged in parallel with each other and a cross rod connected between the two bottom support rods, the U-shaped part is arranged at the bottom of the telescopic upright post, the corresponding bottom support rods are clamped into the U-shaped part, and the corresponding three bolts penetrate through the U-shaped part and the bottom support rods and are in threaded connection with one end of the cross rod.

The lower rack comprises two bottom support rods which are arranged in parallel with each other and a cross rod connected between the two bottom support rods, the U-shaped part is arranged in the bottom support rods, the lower ends of the corresponding telescopic upright posts are clamped into the U-shaped parts, and the corresponding three bolts penetrate through the U-shaped parts and the telescopic upright posts and are in threaded connection with one end of the cross rod.

The utility model has the beneficial effects that: the driving assembly consists of the screw rod sleeve, the screw rod, the transmission assembly and the motor, the motor drives the transmission assembly to act so as to drive the screw rod to rotate, the screw rod is gradually retracted into the screw rod sleeve downwards or gradually extended out of the screw rod sleeve upwards, so that the function that the screw rod drives the supporting plate to descend or ascend is realized.

Meanwhile, some products in the prior art are characterized in that a motor is fixed on a lower frame, a screw rod sleeve is fixed on the top of a telescopic upright post, a screw rod is connected between the screw rod sleeve and the output end of the motor, the screw rod is driven by the motor to rotate, lifting driving is achieved, but the output end of the motor is subjected to overlarge bearing pressure in such a mode, the motor is easy to damage, and the machine is easy to sink after lifting adjustment is finished. According to the screw rod sleeve, the lower end of the screw rod sleeve is fixed, the motor is arranged above the screw rod and drives the screw rod to rotate, so that lifting adjustment is achieved, the pressure required to be borne by the output end of the motor is greatly reduced, the service life of the motor is prolonged, and the phenomenon that the machine table sinks due to overlarge bearing pressure of the output end of the motor is avoided.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is another perspective view of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is another exploded schematic view of the present utility model.

Fig. 5 is a schematic view showing an exploded structure of a joint of a telescopic column and a lower frame of embodiment 1 of the present utility model.

Fig. 6 is a schematic structural view of a transmission assembly of embodiment 2 of the present utility model.

The reference numerals are: the lifting device comprises a lower frame 1, a lifting assembly 2, a telescopic upright 3, a supporting plate 4, a mounting box 5, a screw rod sleeve 6, a screw rod 7, a driven bevel gear 8, a driving bevel gear 9, a motor 10, a main upright 11, a secondary upright 12, a bolt 13, a connecting block 14, a screw rod nut 15, a reinforcing plate 16, a connecting groove 17, an L-shaped connecting piece 18, a U-shaped part 19, a bottom supporting rod 20, a cross rod 21, a connecting plate 22, a turbine 23 and a worm 24.

Detailed Description

The present utility model is further described below with reference to examples and fig. 1-6, which are not intended to be limiting, for the purpose of facilitating understanding of those skilled in the art.

See fig. 1-6.

Example 1

The industrial sewing machine motor lifting frame comprises a lower frame 1 and two groups of lifting assemblies 2 symmetrically arranged on the lower frame 1, wherein each lifting assembly 2 comprises a driving assembly and a telescopic upright post 3 fixed on a lower support, a supporting plate 4 for installing a sewing machine table is fixed at the top of each telescopic upright post 3, an installing box 5 is arranged below each supporting plate 4, each driving assembly comprises a screw rod sleeve 6, a screw rod 7 for driving the telescopic upright post 3 to stretch out and draw back, a motor 10 and a transmission assembly connected between the output end of the motor 10 and the screw rod 7, the screw rod sleeve 6 and the screw rod 7 are arranged in the telescopic upright post 3, the lower end of the screw rod sleeve 6 is fixed on the lower frame 1, the screw rod 7 is rotatably and telescopically connected in the screw rod sleeve 6 in a screwed mode, and the motor 10 is arranged in the installing box 5.

The driving component consists of the screw rod sleeve 6, the screw rod 7, the transmission component and the motor 10, the motor 10 drives the screw rod 7 to rotate, the screw rod 7 gradually retracts into the screw rod sleeve 6 downwards or gradually extends out of the screw rod sleeve 6 upwards, so that the function that the screw rod 7 drives the supporting plate 4 to descend or ascend is realized, the screw rod sleeve 6 and the screw rod 7 are arranged in the telescopic upright post 3, the motor 10 and the transmission component are arranged in the mounting box, the space is saved, a sealing structure is not required to be arranged independently for sealing the driving component, and compared with the patent application of 201620965786.5 in the prior art, the structure is simple, the occupied space is small, the peripheral space of a sewing machine is conveniently utilized, and more space convenience is brought to the material movement of a subsequent sewing machine.

The telescopic upright 3 comprises a main upright 11 fixed on the lower frame 1 and a secondary upright 12 telescopically sleeved on the main upright 11, and the supporting plate 4 is fixed on the top of the secondary upright 12.

Wherein the length of the screw sleeve 6 is equivalent to the length of the screw 7. The design that the length of lead screw sleeve 6 is equivalent with the length of screw rod 7 makes scalable stand 3's adjustable height half its own maximum height, has greatly enlarged scalable stand 3's high accommodation for the lift frame of this application has bigger lift adjustable range.

The upper end of the screw rod sleeve 6 is provided with a connecting block 14, a screw rod nut 15 is placed on the upper surface of the connecting block 14, the screw rod 7 penetrates through the screw rod nut 15 and then stretches into the screw rod sleeve 6, and the connecting block 14 and the screw rod nut 15 are fixedly connected through screws.

Wherein, the motors 10 of the two groups of lifting assemblies 2 are synchronous motors 10.

Specifically, the controller comprises a first gear adjusting button, a second gear adjusting button, a third gear adjusting button and a reset gear. In the actual use process, when the first-gear adjusting button is pressed, the motor 10 is started to drive the screw rod 7 to rotate, the screw rod 7 drives the secondary upright post 12 to move upwards until the secondary upright post 12 extends to the appointed first height, and the motor stops working; when the second-gear adjusting button is pressed, the motor 10 is started to drive the screw rod 7 to rotate, the screw rod 7 drives the secondary upright post 12 to move upwards continuously until the secondary upright post 12 extends to a designated second height, and the motor 10 stops working; when the three-gear adjusting button is pressed, the motor 10 is started to drive the screw rod 7 to rotate, the screw rod 7 drives the secondary upright post 12 to move upwards continuously until the secondary upright post 12 stretches out to a specified third height, the motor 10 stops working, the reset gear is pressed, the motor 10 is started to drive the screw rod 7 to rotate, and the screw rod 7 drives the secondary upright post 12 to move downwards and shrink back to the initial minimum height. In the use, when the level gyroscope senses that the difference in height of two motors exceeds 2mm, the signal is transmitted to the controller, the controller controls the alarm to start, and the alarm is sent out.

Specifically, the controller controls the rotation number of the motor to control the stroke of the lifting height.

The driving assembly comprises a driven helical gear 8 and a driving helical gear 9, the driven helical gear 8 is fixed on the screw 7, the driving helical gear 9 is fixed on the output end of the motor 10, and the driven helical gear 8 is meshed with the driving helical gear 9.

Specifically, the top of the screw rod 7 is connected with the top of the telescopic upright post 3, the screw rod 7 can rotate relative to the telescopic upright post 3, and the turbine or driven helical gear 8 is sleeved outside the screw rod 7 and is fixedly connected with the screw rod 7.

Specifically, the top of the screw 7 is connected with a bearing or a rotating seat, and the bearing or the rotating seat is fixed on the top of the telescopic upright 3.

Wherein, the reinforcing plate 16 is connected between the main upright posts 11 of the two groups of lifting assemblies 2.

Wherein, the main upright 11 and the secondary upright 12 are hollow sleeves.

The two ends of the reinforcing plate 16 are respectively provided with a connecting groove 17, one side of the main upright 11 is clamped into the connecting grooves 17, an L-shaped connecting piece 18 is connected between the main upright 11 and the reinforcing plate 16, and the main upright 11 and the L-shaped connecting piece 18 and the reinforcing plate 16 are fixedly connected through screws. Specifically, the width of the connecting groove 17 is equal to the width of the main upright 11, and when the main upright 11 is assembled, the main upright 11 is clamped into the connecting groove 17 and then connected with the L-shaped connecting piece 18.

The telescopic upright posts of each group of lifting components are connected with three bolts 13, the U-shaped parts 19 are arranged at the joints of the telescopic upright posts and the lower rack, the three bolts 13 are distributed in a triangular shape, and the joints of the telescopic upright posts and the lower rack are fixedly connected through the three bolts 13.

The lower frame comprises two bottom support rods 20 which are arranged in parallel with each other and a cross rod 21 connected between the two bottom support rods 20, the U-shaped portion 19 is arranged at the bottom of the telescopic upright, the corresponding bottom support rods 20 are clamped into the U-shaped portion 19, and the corresponding three bolts 13 penetrate through the U-shaped portion and the bottom support rods 20 and are in threaded connection with one end of the cross rod 21.

Specifically, three bolts 13 pass through the outer side of the U-shaped portion, the bottom support rod 20 and the inner side of the U-shaped portion in sequence and then are screwed with one end of the cross rod 21. The end of the cross bar 21 is fixed with a connecting plate 22, and the bolt 13 is in threaded connection with the connecting plate 22. Three bolts 13 are triangle-shaped and distribute, adopt U-shaped portion 19 cooperation to connect, rethread three bolts 13 run through behind scalable stand and the bottom sprag pole 20 with horizontal pole 21 spiro union, and joint strength is high in the junction of scalable stand and bottom sprag pole 20, and connection stability is good for the structural stability of the frame of this application is splendid, is difficult for taking place to rock.

By adopting the structural design, each part is of a single rod structural design, and the occupied space after disassembly is small, so that the packaging is convenient. The long and thin box is used for loading after the disassembly, the occupied space is small, and the transportation cost is greatly reduced.

Example 2

This embodiment differs from embodiment 1 in that:

the U-shaped part 19 in embodiment 1 is provided at the bottom of the telescopic column, but in this embodiment: the U-shaped portion 19 is disposed on the bottom support rod 20, specifically, disposed in a middle section of the bottom support rod 20.

The transmission assembly comprises a worm 24 and a turbine 23, the turbine is fixed on the screw 7, and the worm 24 is fixed on the output end of the motor 10. The worm wheel 23 is engaged with the worm 24.

The lower frame comprises two bottom support rods 20 which are arranged in parallel with each other and a cross rod 21 connected between the two bottom support rods 20, the U-shaped parts 19 are arranged in the bottom support rods 20, the lower ends of the corresponding telescopic upright posts are clamped into the U-shaped parts 19, and the corresponding three bolts 13 penetrate through the U-shaped parts and the telescopic upright posts and are in threaded connection with one end of the cross rod 21.

Specifically, three bolts 13 pass through the outer side of the U-shaped portion, the telescopic upright post and the inner side of the U-shaped portion in sequence and then are screwed with one end of the cross bar 21. Three bolts 13 are triangle-shaped and distribute, adopt U-shaped portion 19 cooperation to connect, rethread three bolts 13 run through behind scalable stand and the bottom sprag pole 20 with horizontal pole 21 spiro union, and joint strength is high in the junction of scalable stand and bottom sprag pole 20, and connection stability is good for the structural stability of the frame of this application is splendid, is difficult for taking place to rock.

The above embodiments are preferred embodiments of the present utility model, and besides, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. The utility model provides an industry sewing machine motor lift frame, includes that lower frame and symmetry set up in two sets of lifting unit of lower frame, its characterized in that: the lifting assembly comprises a driving assembly and a telescopic upright column fixed on a lower support, a supporting plate for installing a sewing machine table is fixed at the top of the telescopic upright column, an installation box is arranged below the supporting plate, the driving assembly comprises a screw rod sleeve, a motor and a transmission assembly, the screw rod sleeve is used for driving the telescopic upright column to stretch out and draw back, the transmission assembly is connected between the output end of the motor and the screw rod, the screw rod sleeve and the screw rod are arranged in the telescopic upright column, the lower end of the screw rod sleeve is fixed on the lower frame, the screw rod is rotatably and telescopically connected in the screw rod sleeve in a screwed mode, and the motor is arranged in the installation box.

2. The industrial sewing machine motor lift frame of claim 1, wherein: the telescopic stand comprises a main stand fixed on the lower stand and a secondary stand telescopically sleeved on the main stand, and the supporting plate is fixed on the top of the secondary stand.

3. The industrial sewing machine motor lift frame of claim 1, wherein: the screw rod sleeve is characterized in that a connecting block is arranged at the upper end of the screw rod sleeve, a screw rod nut is arranged on the upper surface of the connecting block, the screw rod penetrates through the screw rod nut and then stretches into the screw rod sleeve, and the connecting block and the screw rod nut are fixedly connected through screws.

4. The industrial sewing machine motor lift frame of claim 1, wherein: the motors of the two groups of lifting components are synchronous motors.

5. The industrial sewing machine motor lift frame of claim 4, wherein: the device also comprises a controller, a horizontal gyroscope and an alarm, wherein the horizontal gyroscope is used for sensing the height difference between the motors of the two groups of lifting components, the horizontal gyroscope is electrically connected with the controller, the controller is electrically connected with the motors, and the alarm is electrically connected with the controller.

6. The industrial sewing machine motor lift frame of claim 1, wherein: the transmission assembly comprises a worm and a turbine, the turbine is fixed on the screw, and the worm is fixed at the output end of the motor; or, the transmission assembly comprises a driven helical gear and a driving helical gear, wherein the driven helical gear is fixed on the screw rod, and the driving helical gear is fixed at the output end of the motor and meshed with the driven helical gear.

7. The industrial sewing machine motor lift frame of claim 2, wherein: the lifting device comprises a main upright post, a lifting assembly and a reinforcing plate, wherein reinforcing plates are connected between the main upright posts of the two groups of lifting assemblies, connecting grooves are formed in two ends of the reinforcing plates, one side of each main upright post is clamped into each connecting groove, an L-shaped connecting piece is connected between the main upright post and the reinforcing plate, and the main upright post and the L-shaped connecting pieces and the reinforcing plates are fixedly connected through screws.

8. The industrial sewing machine motor lift frame of claim 1, wherein: the telescopic upright post of each group of lifting components is connected with three bolts, the joint of the telescopic upright post and the lower rack is provided with a U-shaped part, the three bolts are distributed in a triangle shape, and the joint of the telescopic upright post and the lower rack is fixedly connected through the three bolts.

9. The industrial sewing machine motor lift frame of claim 8, wherein: the lower frame comprises two bottom support rods which are arranged in parallel with each other and a cross rod connected between the two bottom support rods, the U-shaped part is arranged at the bottom of the telescopic upright post, the corresponding bottom support rods are clamped into the U-shaped part, and the corresponding three bolts penetrate through the U-shaped part and the bottom support rods and are in threaded connection with one end of the cross rod.

10. The industrial sewing machine motor lift frame of claim 8, wherein: the lower frame comprises two bottom support rods which are arranged in parallel with each other and a cross rod connected between the two bottom support rods, the U-shaped part is arranged on the bottom support rods, the lower ends of the corresponding telescopic upright posts are clamped into the U-shaped parts, and the corresponding three bolts penetrate through the U-shaped parts and the telescopic upright posts and are in threaded connection with one end of the cross rod.