Feeding structure of upper pulling machine

Abstract

The utility model discloses an upper pulling machine feeding structure which comprises an adjusting plate, a feeding motor, a chain assembly and a feeding wheel, an adjusting hole is formed in the adjusting plate, and the adjusting plate is detachably arranged on an upper pulling machine through the adjusting hole; the feeding motor is fixedly connected to the adjusting plate; the feeding wheel is connected with a main feeding shaft; an output shaft of the feeding motor is connected with one end of the chain assembly, the other end, away from the feeding motor, of the chain assembly is connected with a main feeding shaft, and a bearing assembly is arranged between the feeding wheel and the chain assembly. The needle pitch does not need to be adjusted manually, the needle pitch can be controlled in cooperation with an electric control program, and the feeding speed can be adjusted at any time so as to meet more technological requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of footwear production equipment, especially relates to a last feeding structure. BACKGROUND

[0002] The existing last feeding transmission is mostly driven by a series of connecting rod mechanisms and one-way bearing transmission mode to drive the feeding wheel to feed in one direction, the needle pitch is controlled by adjusting the cam eccentric component coaxial with the main shaft, the main feeding wheel transmission one-way bearing of the existing last feeding structure is easy to damage, the needle pitch adjustment is relatively inconvenient, the connecting rod mechanism on the high-speed rotating main shaft for feeding further increases the main shaft resistance torque and the vibration and noise of the whole machine, the traditional last feeding needs to be manually adjusted and the needle pitch cannot be controlled during the working process, the last operation at the toe of the shoe causes the sewing thread to be uneven due to the bending of the fabric, and cannot meet the more diversified requirements in the last operation. SUMMARY

[0003] The utility model discloses a last feeding structure, the needle pitch of the utility model discloses a last feeding structure does not need manual adjustment, and the needle pitch can also be controlled in cooperation with the electric control program, and the feeding speed can be adjusted at any time to meet more process requirements.

[0004] To achieve the above object, the utility model provides a last feeding structure, including adjusting plate, feeding motor, chain assembly and feeding wheel, be provided with adjusting hole on the adjusting plate, the adjusting plate can be detachably arranged on the last through the adjusting hole,

[0005] The feeding motor is fixedly connected to the adjusting plate;

[0006] The feeding wheel is connected with the main feeding shaft;

[0007] The output shaft of the feeding motor is connected with one end of the chain assembly, the other end of the chain assembly away from the feeding motor is connected with the main feeding shaft, and a bearing assembly is arranged between the feeding wheel and the chain assembly.

[0008] Further, the adjusting hole is strip-shaped, at least three adjusting holes are arranged on the adjusting plate, and the three adjusting holes are arranged at two ends of the adjusting plate. Through the arrangement of the strip-shaped adjusting hole, the position of the adjusting plate can be adjusted, and the effect of adjusting the chain tension is realized by adjusting the position of the adjusting plate.

[0009] Further, the adjusting hole is strip-shaped, at least three adjusting holes are arranged on the adjusting plate, and the three adjusting holes are arranged at two ends of the adjusting plate. Through the arrangement of the strip-shaped adjusting hole, the position of the adjusting plate can be adjusted, and the effect of adjusting the chain tension is realized by adjusting the position of the adjusting plate.

[0010] Further, the feeding motor is provided with a connecting flange, a first mounting hole is arranged on the connecting flange, and a second mounting hole matched with the first mounting hole is arranged on the adjusting plate. The connecting flange makes the installation of the feeding motor more convenient, faster and more stable.

[0011] Further, the chain assembly comprises a transmission chain, a driving sprocket and a driven sprocket engaged with the transmission chain, the other end of the driving sprocket away from the transmission chain is connected with the output shaft of the feeding motor through a key, and the other end of the driven sprocket away from the transmission chain is connected with the feeding wheel through the main feeding shaft. The chain transmission can transmit a larger torque and has a better feeding effect on thick materials.

[0012] Further, the bearing assembly comprises a first bearing, a second bearing, a first clamping spring, a second clamping spring and a main bearing seat, the first bearing and the second bearing are arranged in the main bearing seat from top to bottom by the first clamping spring and the second clamping spring, and the main feeding shaft is connected with the chain assembly by sequentially penetrating the first bearing and the second bearing. The installation of the first bearing and the second bearing in the main feeding bearing seat reduces the abrasion of the main feeding shaft on the shaft seat part of the machine body.

[0013] Further, the main feeding shaft is provided with a clamping ring body, and the clamping ring body abuts against the main bearing seat. In this way, the main feeding shaft can be limited to a certain extent.

[0014] Further, the main feeding wheel fixing block is further provided with a third mounting hole, and the main feeding wheel fixing block is fixedly connected with the feeding wheel after wrapping the main feeding shaft. The main feeding wheel fixing block can make the connection between the main feeding wheel and the main feeding shaft more stable, and the installation is simple and convenient.

[0015] Further, the inner side of the main feeding wheel fixing block is provided with an arc-shaped fitting edge for wrapping the main feeding shaft. The fitting edge can make the main feeding wheel fixing block fit the main feeding shaft better when they are assembled, so that the installation effect is better and the connection stability is better.

[0016] Further, the upper end side edge of the main bearing seat extends outward to form a hanging ring. The hanging ring is used for installing the main bearing seat on the shaft seat of the machine body.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The utility model does not need manual adjustment of the stitch pitch, can control the stitch pitch by cooperating with the electric control program control, and can adjust the feeding speed at any time to meet more process requirements.

[0019] 2. The installation of the first bearing and the second bearing in the main feeding bearing seat can reduce the abrasion of the main feeding shaft on the shaft seat part of the machine body, and improve the service life of the parts.

[0020] 3、The utility model discloses a motor for feeding adopts the transmission mode of cooperation chain, cancels the traditional connecting rod structure and can reduce the vibration and noise of complete machine, and chain transmission can transmit greater torque and has better feeding effect for thick material. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings required to be used in the embodiment or prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is a structure schematic view of the feeding structure of the puller machine of the utility model;

[0023] Figure 2 It is Figure 1 The side view schematic view;

[0024] Figure 3 It is Figure 1 The top view schematic view;

[0025] Figure 4 It is a structure schematic view of the adjusting plate of the utility model;

[0026] Figure 5 It is a structure schematic view of the main feeding wheel fixing block of the utility model.

[0027] In the drawing, there are:

[0028] 1, adjusting plate;11, adjusting hole;12, second mounting hole;2, feeding motor;21, connecting flange;211, first mounting hole;3, chain assembly;31, transmission chain;32, driving sprocket;33, driven sprocket;4, feeding wheel;41, main feeding wheel fixing block;42, third mounting hole;43, arc-shaped lapping edge;5, main feeding shaft;51, clamping ring body;6, bearing assembly;61, first bearing;62, second bearing;63, first clamping spring;64, second clamping spring;65, main bearing seat;7, puller machine. DETAILED DESCRIPTION

[0029] The technical solution of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0032] Please see Figures 1 to 4 The present invention provides a feeding structure for a stretcher.

[0033] The feeding structure of the stretching machine in this embodiment is as follows: Figures 1 to 4 As shown, it includes an adjustment plate 1, a feeding motor 2, a chain assembly 3, and a feeding wheel 4.

[0034] Please see Figure 3 and Figure 4 The adjusting plate 1 is provided with adjusting holes 11. The adjusting plate 1 is detachably mounted on the stretching machine 7 through the adjusting holes 11. In order to increase the adjustability of the adjusting holes 11, the adjusting holes 11 in this embodiment are elongated. At least three adjusting holes 11 are provided on the adjusting plate 1. The three adjusting holes 11 are respectively located at both ends of the adjusting plate 1. The setting direction of the adjusting holes 11 is consistent with the setting direction of the chain assembly 3, as shown in the figure. In this embodiment, three adjusting holes 11 are provided, two of which are located on the left side and one on the right side. During assembly, the adjusting plate 1 can be fixed in the slot at the bottom of the stretching machine 7 by passing screws through the adjusting holes 11. The position of the adjusting plate 1 can be adjusted by adjusting the locking position of the screws and the adjusting holes 11.

[0035] The feeding motor 2 is fixed to the adjusting plate 1. To improve the installation stability of the feeding motor 2, a connecting flange 21 is provided on the feeding motor 2. A first mounting hole 211 is provided on the connecting flange 21. A second mounting hole 12 is provided on the adjusting plate 1 that matches the position of the first mounting hole 211.

[0036] The output shaft of the feeding motor 2 is connected with one end of the chain assembly 3, and the other end of the chain assembly 3 away from the feeding motor 2 is connected with the main feeding shaft 5; the bearing assembly 6 is arranged between the feeding wheel 4 and the chain assembly 3, wherein the chain assembly 3 comprises a transmission chain 31, a driving sprocket 32 and a driven sprocket 33 engaged with the transmission chain 31; the other end of the driving sprocket 32 away from the transmission chain 31 is connected with the output shaft of the feeding motor 2 through a flat key; the other end of the driven sprocket 33 away from the transmission chain 31 is connected with the feeding wheel 4 through the main feeding shaft 5; the bearing assembly 6 comprises a first bearing 61, a second bearing 62, a first clamping spring 63, a second clamping spring 64 and a main bearing seat 65; the first bearing 61 and the second bearing 62 are sequentially clamped in the main bearing seat 65 through the first clamping spring 63 and the second clamping spring 64; the main feeding shaft 5 is sequentially connected with the chain assembly 3 through the first bearing 61 and the second bearing 62; and the upper end side of the main bearing seat 65 extends outward to form a hanging ring.

[0037] The feeding wheel 4 is connected with the main feeding shaft 5, and the main feeding shaft 5 is provided with a clamping ring body 51 abutting against the main bearing seat 65.

[0038] In order to increase the stability of the connection between the feeding wheel 4 and the main feeding shaft 5, the embodiment further comprises a main feeding wheel fixing block 41, the third mounting hole 42 is arranged on the main feeding wheel fixing block 41, the main feeding wheel fixing block 41 is fixedly connected with the feeding wheel 4 after wrapping the main feeding shaft 5, and the inner side of the main feeding wheel fixing block 41 is provided with an arc-shaped fitting edge 43 for wrapping the main feeding shaft 5.

[0039] The working principle of the utility model is as follows: the utility model installs the adjusting plate 1 on the slotted groove of the bottom of the machine body through the screw cooperation adjusting hole 11, the feeding motor 2 is installed on the adjusting plate 1 and is directly connected with the driving sprocket 32 through the connecting flange 21, the wheel center distance of the driving sprocket 32 and the driven sprocket 33 can be adjusted through the adjusting hole 11 of the adjusting plate 1, the effect of chain tensioning is achieved, the driving sprocket 32 drives the driven sprocket 33 to move through the chain transmission, the feeding wheel 4 is locked with the main feeding shaft 5 through the main feeding wheel fixing block 41, and the first bearing 61 and the second bearing 62 are installed in the main feeding shaft 5 bearing seat and are arc-shapedly fitted with the first clamping spring 63 and the arc-shaped fitting edge 43.

[0040] The above is only the preferred embodiment of the utility model and is not used for limiting the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A topline machine feed structure, characterized by, Including the adjusting plate (1), the feeding motor (2), the chain assembly (3) and the feeding wheel (4), the adjusting plate (1) is provided with adjusting hole (11), the adjusting plate (1) is detachably arranged on the pull handle machine (7) through the adjusting hole (11); The feeding motor (2) is fixedly connected to the adjusting plate (1); The feeding wheel (4) is connected with the main feeding shaft (5); The output shaft of the feeding motor (2) is connected with one end of the chain assembly (3), the other end of the chain assembly (3) away from the feeding motor (2) is connected with the main feeding shaft (5), and the bearing assembly (6) is arranged between the feeding wheel (4) and the chain assembly (3).

2. The feeding structure of a lasting machine according to claim 1, wherein The adjusting hole (11) is long strip-shaped, at least three adjusting holes (11) are arranged on the adjusting plate (1), and the three adjusting holes (11) are arranged at two ends of the adjusting plate (1) respectively.

3. The feeding structure of a lasting machine according to claim 2, wherein The setting direction of the adjusting hole (11) is consistent with the setting direction of the chain assembly (3).

4. The feeding structure of a lasting machine according to claim 1, wherein The feeding motor (2) is provided with a connecting flange (21), a first mounting hole (211) is arranged on the connecting flange (21), and a second mounting hole (12) matched with the first mounting hole (211) is arranged on the adjusting plate (1).

5. The feeding structure of a lasting machine according to claim 3, wherein The chain assembly (3) comprises a transmission chain (31), a driving sprocket (32) and a driven sprocket (33) engaged with the transmission chain (31), one end of the driving sprocket (32) away from the transmission chain (31) is connected with the output shaft of the feeding motor (2) through a key, and the other end of the driven sprocket (33) away from the transmission chain (31) is connected with the feeding wheel (4) through the main feeding shaft (5).

6. The feeding structure of a lasting machine according to claim 1, wherein The bearing assembly (6) comprises a first bearing (61), a second bearing (62), a first snap spring (63), a second snap spring (64) and a main bearing seat (65), the first bearing (61) and the second bearing (62) are arranged in the main bearing seat (65) from top to bottom by the first snap spring (63) and the second snap spring (64), and the main feeding shaft (5) is connected with the chain assembly (3) in sequence through the first bearing (61) and the second bearing (62).

7. The topper feeding structure according to claim 6, wherein The main feeding shaft (5) is provided with a clamping ring body (51), and the clamping ring body (51) abuts against the main bearing seat (65).

8. The feeding structure of a lasting machine according to claim 7, wherein Further comprising a main feeding wheel fixing block (41), a third mounting hole (42) is arranged on the main feeding wheel fixing block (41), and the main feeding wheel fixing block (41) is fixedly connected with the feeding wheel (4) after wrapping the main feeding shaft (5).

9. The feeding structure of a lasting machine according to claim 8, wherein The inner side of the main feeding wheel fixing block (41) is provided with an arc-shaped fitting edge (43) for wrapping the main feeding shaft (5).

10. The shoe lasting machine feed structure of claim 6, wherein, The upper end side of the main bearing seat (65) extends outward to form a hanging ring.

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