CN214882230U - Drive arrangement of embroidery machine frame - Google Patents

Abstract

The utility model discloses a drive arrangement of embroidery machine frame, including fixing linear guide in the frame, locating in the frame and being located first drive wheel, the second drive wheel, third drive wheel and the drive belt of locating the linear guide both ends of linear guide below, first drive wheel is driven by first driving motor, the drive belt is by first drive wheel, second drive wheel transmission, fixedly connected with slider is used for linking frame on the drive belt, the second drive wheel is connected with second driving motor, first drive wheel is close to the third drive wheel set up and with distance between the second drive wheel is adjustable, the beneficial effects of the utility model reside in that the transmission efficiency of embroidery machine frame has been improved for the frame also can stable operation in the longer term of journey, thereby improves the quality of embroidery.

Description

Drive arrangement of embroidery machine frame

Technical Field

The utility model relates to a computerized embroidery machine field, especially a drive arrangement of embroidery machine frame.

Background

The computerized embroidery machine is also called as an embroidery machine, is the most advanced embroidery machine of the present generation, can realize the high speed and high efficiency of the traditional manual embroidery, and can also realize the requirements of 'multi-level, uniformity and perfectness' which can not be reached by the manual embroidery. It is an electromechanical product which embodies various high and new technologies. With the replacement of manual embroidery by computer embroidery, the computer embroidery machine will become the main machine of embroidery industry.

The frame driving system of the embroidery machine drives the frame through the driving system, the frame realizes the matching movement of the embroidery frame and the machine head through the front-back left-right movement, and finally forms embroidery patterns, so that the stability of the frame operation directly influences the quality of embroidery.

Current chinese patent application No. 201120003336.5 discloses a frame drive arrangement for embroidery machine, including the slider of connecting the frame, connect the action wheel of motor to and follow the driving wheel, the action wheel with follow the driving wheel locate on the drive rail and by the belt connection, the slider is connected simultaneously to the belt, the drive rail upper berth is equipped with linear guide, linear guide link block.

The frame passes through single motor drive in the patent, and belt drive transmission efficiency is low, and when transmission stroke lengthening, single motor drive's mode just receives the restriction, moves to keeping away from action wheel one side when the slider, along with the gradual loss of transmission energy, the operating efficiency of frame just constantly reduces, leads to the frame operation unstability to influence the quality of embroidery.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a drive arrangement of embroidery machine frame can effectual improvement frame driven stability, improves the operating efficiency of frame to improve the quality of embroidery.

The utility model discloses a realize through following technical scheme:

a driving device of an embroidery machine frame comprises a linear guide rail fixed on the frame, a first driving wheel arranged on the frame and positioned below the linear guide rail, a second driving wheel, a third driving wheel and a driving belt, wherein the second driving wheel and the third driving wheel are respectively arranged at two ends of the linear guide rail, the first driving wheel is driven by a first driving motor, the driving belt is driven by the first driving wheel and the second driving wheel, a sliding block is fixedly connected onto the driving belt and used for connecting a frame, the driving device is characterized in that the second driving wheel is connected with a second driving motor, and the distance between the first driving wheel and the second driving wheel is adjustable.

Embroidery machine frame passes through single motor drive among the prior art, when the action wheel operation is kept away from to the slider, transmission energy reduces gradually along with the increase of transmission stroke, and the operating efficiency of frame reduces to lead to the frame operation unstable, influence the quality of embroidery, the utility model discloses in, newly-increased a driving motor makes whole drive arrangement have two action wheels, through the power of interval and two initiative wheel driving motor between two action wheels of adjustment, make the frame promote transmission power once more when the action wheel, the promotion of two action wheels through the interval setting can effectual stable frame's operation, thereby improves the transmission efficiency of hold-in range, improves the quality of embroidery.

As a further improvement, the mounting hole that a plurality of intervals set up is seted up to the frame, first drive wheel and arbitrary one the connection can be dismantled to the mounting hole.

The mounting hole that a plurality of intervals set up is seted up to the frame, and first drive wheel can be installed in the mounting hole of difference according to the stroke of whole embroidery machine frame and adjust the interval between two action wheels to make the scope that two action wheel power promoted more suitable, thereby make the frame move to the power of each department and tend to stability, the frame operation is just also more stable, thereby the quality of effectual promotion embroidery.

As a further improvement of the utility model, the frame is equipped with first mount pad, first drive wheel set up in first mount pad bottom, first mount pad is worn to establish the mounting hole is fixed in through the fastener in the frame.

Preferably set up the fixed action wheel of mount pad, aim at mount pad stability is better, can make the action wheel stably set up on the mount pad, and the action wheel installation is stable can make the conveyer belt conveying more stable to improve the stability of frame operation.

As a further improvement of the present invention, the first mounting seat top is located both sides are provided with the roller bearing around the first drive wheel.

The conveyer belt penetrates the inside action wheel that passes through second transmission assembly of mount pad and penetrates the guide rail again, because the action wheel is located the mount pad lower part, consequently the conveyer belt because the change transmission in-process of angle produces the friction with the mount pad easily, consequently sets up the angle of roller bearing in order to change the conveyer belt at the both ends of mount pad, avoids conveyer belt and mount pad contact to increase the life of conveyer belt.

As a further improvement of the utility model, linear guide is located first drive wheel with below between the second drive wheel is equipped with the straining device of conveyer belt, straining device includes second mount pad and take-up pulley, the bottom of second mount pad is equipped with the installation axle, the take-up pulley cover is established at the installation epaxial and can wind installation axle axial direction rotation, the take-up pulley supports the conveyer belt top is used for the tensioning the conveyer belt.

When the long term of the stroke design of embroidery machine frame, the conveyer belt also can corresponding extension, this has just led to being located the conveyer belt of linear guide below part and can have flagging phenomenon, and the tensioning effect of whole conveyer belt will cause the frame operation unstability, consequently increases straining device tensioning conveyer belt between two action wheels to ensure the stability of conveyer belt transmission, thereby stabilize the operation of frame.

As a further improvement, the second mounting seat top is located both sides are provided with the back shaft that can wind self axis direction rotation around the take-up pulley around.

The inside of linear guide is the cavity design, and the conveyer belt penetrates the inside setting of linear guide, and straining device is with the in-process of conveyer belt tensioning, and the conveyer belt can interfere with linear guide's breach department, and continuous friction in the data send process causes the wearing and tearing of conveyer belt easily, consequently sets up the back shaft at both ends around the take-up pulley, supports the conveyer belt, avoids the conveyer belt to contact with linear guide.

As a further improvement of the present invention, the tensioning mechanism has an adjusting structure that allows the installation shaft to be adjusted in the direction of tensioning the conveyor belt.

Along with the continuous operation of equipment, the conveyer belt can be elongated at the operation in-process, and the tensioning effect just also can worsen gradually, leads to the conveyer belt pine, and the conveying also just becomes more and more unstable, has consequently set up the regulation structure on straining device for the position of installation axle is adjusted to the direction of conveyer belt tensioning, makes the take-up pulley can the tensioning conveyer belt all the time.

As a further improvement of the utility model, the mount pad bottom is inwards sunken to form the elongated slot, adjust the structure include by the both sides wall of elongated slot along the structure that blocks that length direction interval set up, locate install epaxial with block that the structure offsets in order to fix install the axle and stop install the cooperation structure of axial motion.

Set up mutually supporting block structure and cooperation structure, through the mutual butt between them fixed mounting axle, and restrict installation axial motion simultaneously, make installation axle downwardly movement only, the conveyer belt can produce great reaction force to the take-up pulley when being in the tensioning state, make installation axial motion easily, cause the tensioning effect not good, consequently the design blocks the structure and not only can follow cooperation fixed mounting axle, can also prevent installation axial motion in order to stabilize the tensioning effect.

As a further improvement of the present invention, the blocking structure is an edge of a plurality of first protruding teeth arranged at intervals along the length direction of the two side walls of the elongated slot, the bottom surface of the first protruding teeth is a plane and the matching structure is offset, and the side surface is an arc surface, the first protruding teeth and the mounting seat between which the spring is arranged and can be followed the mounting seat is retracted inward.

The side of first abrupt tooth sets up to the cambered surface to and the mount pad between set up the spring, first abrupt tooth can inwards shrink, and the position that the installation axle can be adjusted to the first abrupt tooth of installation axle inwards shrink of exerting oneself downwards like this for the take-up pulley is tensioning the conveyer belt step by step, and the bottom of first abrupt tooth sets up to the plane, makes the installation axle move down the back and can't upwards move under the support of first abrupt tooth, and the installation axle just can not be pressed to upwards move by the conveyer belt like this, weakens the effect of tensioning.

As a further improvement of the utility model, the both ends of installation axle are fixed with the sliding plate of vertical setting respectively, the both sides of sliding plate are fixed with respectively the cooperation structure, the cooperation structure is for following the outside convex second abrupt tooth in sliding plate side, adjacent two form between the first abrupt tooth and hold the recess that the second is suddenly the tooth embedding and contradicts fixedly bottom the first abrupt tooth.

Sliding plates are arranged at two ends of the mounting shaft, and matching structures are arranged on two sides of each sliding plate, namely the second protruding teeth are abutted to the first protruding teeth, so that the tensioning degree of the tensioning mechanism can be adjusted.

The utility model has the advantages that:

(1) keep away from driving motor's one end in the transmission system of frame and increase a set of transmission assembly, provide the transmission efficiency in order to improve the conveyer belt through adjusting the interval between two action wheels and two driving motor to improve the stability of frame operation, improve the quality of embroidery.

(2) Set up straining device between two action wheels for the tensioning conveyer belt, avoid the stroke of frame too long, lead to the lower extreme of belt flagging, the conveyer belt is too loose and collapses, leads to the operation unstability of frame, thereby influences the embroidery quality.

(3) The conveyer belt can slowly be elongated along with the gradual increase of time, tensioning effect will be more and more poor, the conveyer belt also can progressively become loose, set up the mounted position that adjustment structure is used for adjusting straining device on the mount pad, with adjustment straining device's rate of tension, make the conveyer belt become loose after the regulation effect adjustment straining device through adjustment structure, thereby make the conveyer belt once more by the tensioning, and adjustment structure only adjusts downwards, unable upwards regulation, avoid adjusting the structure and pressed upward leading to the tensioning effect variation by the conveyer belt area.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate an understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic perspective view of a driving device mounted on a frame;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the assembly of the first mount, roller and first drive wheel;

fig. 4 is a schematic view of the specific structure of the driving device of the present invention;

fig. 5 is a partially enlarged view of fig. 4.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

It should be noted that, in the present invention, the front-back direction is determined by the frame operation direction.

Referring to fig. 1 and 2, in this embodiment, a driving device for a frame of an embroidery machine includes a linear guide 1, a slider 2, a first driving wheel 3, a first driving motor 5 for driving the first driving wheel 3, a second driving wheel 41, and a third driving wheel 42, the linear guide 1 is fixed on a frame 8, the slider 2 is connected to a frame system and is slidably connected to the linear guide 1, the first driving wheel 3 and the second driving wheel 4 are driven by a driving belt 6, the driving belt 6 is fixedly connected to the slider 2, the second driving wheel 41 and the third driving wheel 42 are respectively disposed at two ends of the linear guide 1, the second driving wheel 4 is connected to a second driving motor 7, the first driving wheel 3 is fixed at one end of the frame 8 far away from the second driving wheel 41 and is located below the linear guide 1, with reference to fig. 3, a mounting seat 81 is disposed on the frame 8, a plurality of through mounting holes 82 are disposed on the frame 8, the mounting seat 81 passes through the mounting holes 82 and is detachably connected to the upper surface of the frame 8, the first driving wheel 3 is fixed to the mounting seat 81, energy loss and transmission efficiency are reduced in a transmission process due to friction and slippage of belt transmission in a transmission process, energy loss influence is relatively small for short-stroke embroidery machines, but for long-stroke embroidery machines, energy loss in the transmission process can cause unstable operation of the frame when the frame is operated to a position far away from the driving motor, which seriously affects quality of embroidery products, in the embodiment, a driving motor is additionally disposed in the driving device, transmission of the conveying belt is stabilized by driving of two motors, and output power of the two driving motors can be adjusted to drive the frame to operate more stably, and set up a plurality of mounting holes in the frame and make the second drive assembly can adjust the mounted position according to the demand of stroke to gain better operation effect.

Referring to fig. 3, the mounting seat 81 includes two left and right symmetric mounting plates 811, connects two connecting plates 812 of the two mounting plates 811, the mounting plate 811 and the connecting plates 812 surround to form an accommodating space 813 for accommodating the first driving wheel 3, a through hole 814 is provided at the lower end of the mounting plate 811, a transmission shaft 83 is inserted in the through hole 814, the transmission shaft 83 is connected with the output end of the first driving motor 5, the first driving wheel 3 is sleeved on the transmission shaft 83 and located in the accommodating space 813, the transmission shaft 83 is located at the through hole 814 and is provided with a bearing 831, the connecting plates 812 are arranged at two ends of the mounting plate 811 and are fixedly connected with the frame 8 through bolts, and the front and rear sides of the first driving wheel 3 are respectively provided with a roller 31 at the top of the mounting seat 81.

Referring to fig. 4 and 5, a tensioning mechanism 9 of the conveyor belt 6 is disposed below the first driving wheel 3 and the second driving wheel 41, the tensioning mechanism 9 includes a second mounting seat 91 and a tensioning wheel 92, the second mounting seat 91 is detachably fixed on the frame and can be adjusted according to the distance between the first driving wheel 3 and the second driving wheel 41, a mounting shaft 911 is disposed at the bottom of the second mounting seat 91, the tensioning wheel 92 is sleeved on the mounting shaft 911 and can rotate around the axial direction of the mounting shaft, the tensioning wheel 92 is supported above the conveyor belt 6 for tensioning the conveyor belt, support shafts 912 of the conveyor belt are also disposed at the front and rear sides of the tensioning wheel 92 at the top of the second mounting seat 91, the support shafts 912 can rotate around the axial direction of the support shafts, the interior of the linear guide 1 is hollow, and the conveyor belt 6 passes through the interior of the linear guide 1, and take-up pulley 92 is located linear guide 1's below, and when take-up pulley 92 tensioning conveyer belt, conveyer belt 6 can interfere with the both sides of linear guide 1 breach, leads to the operation in-process and linear guide 1 friction, causes the wearing and tearing of conveyer belt, consequently sets up the back shaft support conveyer belt in both sides around take-up pulley 92 top, avoids conveyer belt and linear guide friction to lead to wearing and tearing.

Referring to fig. 5, the conveyor belt is gradually elongated and loosened during the operation process as the equipment is operating normally, and the conveyor belt becomes more and more unstable after being loosened, so that the tensioning mechanism 9 is provided with an adjusting structure 10, the second mounting seat 91 has a structure similar to that of the first mounting seat and is also formed by two mounting plates arranged at intervals and two connecting plates connected to two sides of the mounting plates, and the connecting plates and the mounting plates surround to form a hollow space, the bottom of the second mounting seat is recessed inwards to form a long groove 913, two ends of the mounting shaft 911 are fixed with a sliding plate 9111 arranged vertically, the adjusting structure 10 includes a plurality of blocking structures 101 arranged on two side walls of the long groove and arranged at intervals along the length direction of the long groove, and a matching structure 102 arranged on two sides of the sliding plate 9111 and abutting against the blocking structures 101 for fixing the 911 mounting shaft and preventing the mounting shaft from moving upwards, in this embodiment, the blocking structure 101 and the engaging structure 102 are protruded teeth protruding outward along the side wall of the long slot and protruding outward along two sides of the sliding plate, a spring is disposed between the blocking structure 101 and the second mounting seat 91 to enable the blocking structure 101 to be retracted into the second mounting seat 91, the side surface of the blocking structure 101 is an arc surface, the bottom surface is a plane, so that the force-applying engaging structure 102 can be slid downward along the side surface of the blocking structure 101 when the shaft is installed, and meanwhile, the blocking structure is retracted into the second mounting seat 91 by pushing against the blocking structure 101, the engaging structure 102 can smoothly move downward to adjust the position of the tension pulley 92, so as to adjust the tension of the conveyor belt, a groove 103 is formed between two adjacent blocking structures 101, after the engaging structure 102 completely moves downward, the blocking structure 101 is reset under the action of the spring, and the engaging structure 102 is inserted into the groove 103 to abut against the blocking structure, fix the installation axle, and the design of the bottom surface of blocking structure 101 is the plane, just can't move upwards after cooperation structure 102 descends like this, even produce ascending effort installation axle can not shift upwards to the take-up pulley after the conveyer belt tensioning like this, can effectual assurance tensioning effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A driving device of an embroidery machine frame comprises a linear guide rail (1) fixed on the frame (8), a first driving wheel (3) arranged on the frame (8) and positioned below the linear guide rail (1), a second driving wheel (41) and a third driving wheel (42) which are respectively arranged at two ends of the linear guide rail (1), and a driving belt (6), the first driving wheel (3) is driven (5) by a first driving motor, the driving belt (6) is driven by the first driving wheel (3) and a second driving wheel (41), a slide block (2) is fixedly connected on the transmission belt (6) and is used for connecting the frame, it is characterized in that the second transmission wheel (41) is connected with a second driving motor (7), the first transmission wheel (3) is arranged close to the third transmission wheel (42) and the distance between the first transmission wheel and the second transmission wheel (41) is adjustable.

2. The driving device of the embroidery machine frame according to claim 1, characterized in that the frame (8) is provided with a plurality of mounting holes (82) arranged at intervals, and the first driving wheel (3) is detachably connected with any one of the mounting holes (82).

3. The driving device of the embroidery machine frame according to claim 2, characterized in that the frame (8) is provided with a first mounting seat (81), the first driving wheel (3) is arranged at the bottom of the first mounting seat (81), and the first mounting seat (81) is fixed on the frame (8) through the mounting hole (82) by a fastener.

4. A drive arrangement of an embroidery machine frame according to claim 3, characterized in that rollers (31) are arranged on the top of the first mounting seat (81) at the front and back sides of the first driving wheel (3).

5. The driving device of the embroidery machine frame according to claim 4, characterized in that the linear guide rail (1) is provided with a tensioning mechanism (9) of the transmission belt (6) below the position between the first transmission wheel (3) and the second transmission wheel (41), the tensioning mechanism (9) comprises a second mounting seat (91) and a tensioning wheel (92), a mounting shaft (911) is arranged at the bottom of the second mounting seat (91), the tensioning wheel (92) is sleeved on the mounting shaft (911) and can axially rotate around the mounting shaft (911), and the tensioning wheel (92) is supported above the transmission belt (6) for tensioning the transmission belt (6).

6. The apparatus for driving the frame of the embroidery machine as claimed in claim 5, wherein the supporting shafts (912) capable of rotating around their axes are provided on the top of the second mounting seat (91) at the front and rear sides of the tension wheel (92).

7. A drive arrangement of an embroidery machine frame according to claim 5, characterized in that the tensioning mechanism (9) has an adjustment structure (10) allowing the mounting shaft (911) to be adjusted in the direction of tensioning of the drive belt (6).

8. The driving device of the embroidery machine frame according to claim 7, wherein the bottom of the second mounting seat (91) is recessed inward to form a long groove (913), and the adjusting structure (10) comprises a blocking structure (101) spaced by two side walls of the long groove (913) along the length direction, and a matching structure (102) arranged on the mounting shaft (911) and abutting against the blocking structure (101) to fix the mounting shaft (911) and prevent the mounting shaft (911) from moving upward.

9. The driving device of an embroidery machine frame according to claim 8, wherein the blocking structure (101) is a plurality of first protruding teeth spaced along the length direction of two side walls of the long groove (913), the bottom surface of the first protruding teeth is a plane surface and abuts against the matching structure (102), the side surface is a circular arc surface, and a spring is arranged between the first protruding teeth and the second mounting seat (91) and can be retracted inwards along the second mounting seat (91).

10. The driving device of the embroidery machine frame according to claim 9, wherein the two ends of the mounting shaft (911) are respectively fixed with a sliding plate (9111) which is vertically arranged, the two sides of the sliding plate (9111) are respectively fixed with the engaging structures (102), the engaging structures (102) are second protruding teeth which protrude outwards along the side surfaces of the sliding plate (9111), and a groove (103) which is embedded by the engaging structures (102) and is in interference fit with the bottoms of the blocking structures (101) is formed between two adjacent blocking structures (101).

Images