CN221986695U - A strapping frame expansion and contraction device for a steel strapping machine and a steel strapping machine - Google Patents
A strapping frame expansion and contraction device for a steel strapping machine and a steel strapping machine Download PDFInfo
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- CN221986695U CN221986695U CN202420290170.7U CN202420290170U CN221986695U CN 221986695 U CN221986695 U CN 221986695U CN 202420290170 U CN202420290170 U CN 202420290170U CN 221986695 U CN221986695 U CN 221986695U
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Abstract
本实用新型涉及一种钢带打捆机的捆带架涨缩装置，包括：传动轴，其一端中心加工有盲孔，盲孔具有前端和后端部分，前端部分的直径大于后端部分；滑套，其套在传动轴上且设置有滑槽；支撑杆，其通过销轴连接在滑套的侧面上并连接到捆带架；定位杆，其穿过滑槽通过螺纹连接在传动轴上；螺杆，其一端嵌入到盲孔内，螺杆在前端部分连接固定螺母，固定螺母固定连接到传动轴，螺杆的另一端固定连接到滑套的底部并延伸出来；手柄，其安装在螺杆的另一端的末端处，手柄转动使螺杆转动和移动并带动滑套前后移动，使支撑杆与滑套的侧面之间的夹角改变而使捆带架涨缩。本实用新型提供的装置具备实用性强、便于维护及更换、结构紧凑的特点。
The utility model relates to an expansion and contraction device for a strapping frame of a steel strapping machine, comprising: a transmission shaft, one end of which is processed with a blind hole at the center, the blind hole having a front end and a rear end, the diameter of the front end being larger than the rear end; a sliding sleeve, which is sleeved on the transmission shaft and provided with a sliding groove; a support rod, which is connected to the side of the sliding sleeve through a pin shaft and connected to the strapping frame; a positioning rod, which passes through the sliding groove and is connected to the transmission shaft through a thread; a screw, one end of which is embedded in the blind hole, the screw is connected to a fixing nut at the front end, the fixing nut is fixedly connected to the transmission shaft, and the other end of the screw is fixedly connected to the bottom of the sliding sleeve and extends out; a handle, which is installed at the end of the other end of the screw, and the handle is rotated to rotate and move the screw and drive the sliding sleeve to move forward and backward, so that the angle between the support rod and the side of the sliding sleeve changes to cause the strapping frame to expand and contract. The device provided by the utility model has the characteristics of strong practicality, easy maintenance and replacement, and compact structure.
Description
Technical Field
The utility model belongs to the technical field of steel band bundling machines, relates to a device for expanding and contracting steel band rolls by a band frame of a bundling machine, and can be applied to various steel band bundling machines, and in particular relates to a device for expanding and contracting the band frame of the steel band bundling machine and the steel band bundling machine.
Background
The steel belt bundling machine is packaging equipment widely applied in the technical field of metallurgical equipment, the steel belt bundling machine is provided with a bundling belt frame, a large steel bundling belt roll is arranged on the bundling belt frame, and the steel bundling belt roll is fastened and fixed to be unwound through a swelling device. The traditional expansion and contraction method is a transmission shaft a blind hole is processed at the center of one end, the cylindrical head end of the screw rod is embedded into the blind hole and fixed by the baffle plate, the other end of the screw rod is provided with a handle, screw handle end external thread is connected with the internal thread of the screw sleeve; a guide key is processed on the transmission shaft, and a key groove is processed at a position corresponding to the inner surface of the screw sleeve; after the operator installs the strapping, rotate the screw handle, the screw rod is rotated about and is driven the swivel nut and move back and forth along the guide key, makes the bracing piece contained angle that fixes on the swivel nut change to reach the function that strapping frame or support frame shrink, the screw rod only rotates and does not take place to remove in this process. However, the conventional collapsible device has the following disadvantages:
(1) In order to prevent the screw sleeve from rotating circumferentially, a guide key is machined on the outer surface of the transmission shaft, and a key groove is machined on the inner surface of the screw sleeve, so that the screw sleeve is complex in design, high in machining precision and high in cost.
(2) When the screw sleeve is disassembled, the screw sleeve can be rotated to withdraw from the connection with the screw rod only by completely withdrawing the screw sleeve from the guide key, so that the maintenance is inconvenient; and the screw sleeve can be suddenly separated when the screw sleeve rotates to the tail part of the screw thread.
(3) The fixed baffle ring of screw rod is installed in the transmission shaft blind hole, in order to prevent its and transmission shaft relative slip, and the cooperation is tighter, when damaging the maintenance, the baffle ring takes out more difficultly, and maintenance time is long.
Accordingly, the above-described prior art is in need of improvement.
Disclosure of utility model
The utility model aims to provide a strap frame expanding and contracting device of a steel strap bundling machine, which has the characteristics of strong practicability, convenience in maintenance and replacement and compact structure.
In order to solve the technical problems, the utility model adopts the following technical scheme, and the technical scheme is as follows:
According to an aspect of the present utility model, there is provided a strap frame expanding and contracting device of a steel strap baler, comprising:
a transmission shaft, wherein a blind hole is formed in the center of one end of the transmission shaft, the blind hole is provided with a front end part and a rear end part, and the diameter of the front end part is larger than that of the rear end part;
The sliding sleeve is sleeved on the transmission shaft, sliding grooves are respectively formed in two sides of the sliding sleeve, and the sliding sleeve moves back and forth along the sliding grooves;
One end of the supporting rod is connected to the side face of the sliding sleeve through a pin shaft, and the other end of the supporting rod is connected to the strapping frame through a pin shaft;
The positioning rod penetrates through the chute and is connected to the transmission shaft through threads;
A screw having one end inserted into the blind hole, a fixing nut connected to the front end portion of the blind hole, the fixing nut fixedly connected to the driving shaft, and the other end fixedly connected to and extending from the bottom of the sliding sleeve;
The handle is arranged at the tail end of the other end of the screw rod, and the rotation of the handle enables the screw rod to rotate and move in the blind hole and drives the sliding sleeve to move back and forth along the sliding groove, so that the included angle between the supporting rod and the side face of the sliding sleeve is changed, and the strapping frame is expanded and contracted.
In one embodiment of the utility model, the other end of the screw is provided with a baffle ring, and the baffle ring is clamped at the outer side of the bottom of the sliding sleeve.
In one embodiment of the present utility model, the strap frame collapsible device further comprises:
And a fixing ring installed on an outer side of the barrier ring and fixedly coupled to a side surface of the sliding sleeve.
In one embodiment of the utility model, the retaining ring maintains a gap between the sliding sleeve and the retaining ring.
In one embodiment of the utility model, the fixing nut adopts a convex flange structure, a top wire hole is arranged on the flange end of the fixing nut, and the flange end of the fixing nut is inserted into the top wire hole through a bolt to be fixedly connected with the transmission shaft.
In one embodiment of the utility model, the bolts comprise countersunk bolts.
In one embodiment of the utility model, the fixing nut is in transition fit with the transmission shaft, and the sliding sleeve is in clearance fit with the transmission shaft.
In one embodiment of the utility model, the magnitude of the change in the angle is determined by the length of the chute.
In one embodiment of the utility model, two support bars are attached to each side of the sliding sleeve, the two support bars being spaced apart relative to the chute.
According to another aspect of the present utility model there is provided a steel strip baler comprising a strap frame collapsing apparatus of the steel strip baler as described above.
By adopting the technical scheme, compared with the prior art, the utility model has the following advantages:
According to the utility model, the sliding sleeve is synchronously driven to move in a threaded connection mode of the screw rod and the fixing nut, so that the expansion and contraction function of the support rod is completed. The utility model can ensure that the fixing nut cannot slide relatively with the transmission shaft, and can easily pull out the fixing nut through the top thread hole. The positioning rod can ensure that the sliding sleeve stably moves in the sliding groove without circumferential rotation, is convenient to withdraw from the sliding sleeve during maintenance, and can ensure that the sliding sleeve cannot suddenly drop off during withdrawal.
Drawings
Fig. 1 shows a cross-sectional view of a strap frame collapsing apparatus of a steel strap baler provided by the utility model.
List of reference numerals
1 A transmission shaft, 2a sliding sleeve, 3a sliding chute, 4 a top thread hole, 5 a handle, 6 a screw rod, 7 a fixing ring, 8 a countersunk bolt, 9a supporting rod, 10 a positioning rod, 11 a fixing nut, 12 a blind hole, 13 a front end part, 14 a rear end part and 15 a baffle ring.
Detailed Description
It should be understood that the embodiments of the utility model shown in the exemplary embodiments are only illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art will readily appreciate that many modifications are possible without materially departing from the teachings of the subject matter of this disclosure. Accordingly, all such modifications are intended to be included within the scope of present utility model. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and parameters of the exemplary embodiments without departing from the spirit of the present utility models.
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present utility model provides a strap frame expanding and contracting device of a steel strap bundling machine, comprising:
A transmission shaft 1, wherein a blind hole 12 is formed in the center of one end of the transmission shaft 1, the blind hole 12 is provided with a front end part 13 and a rear end part 14, and the diameter of the front end part 13 is larger than that of the rear end part 14;
The sliding sleeve 2 is sleeved on the transmission shaft 1, sliding grooves 3 are respectively formed in two sides of the sliding sleeve 2, and the sliding sleeve 2 moves back and forth along the sliding grooves 3;
A support rod 9, one end of which support rod 9 may be connected to the side of the sliding sleeve 2 by a pin and the other end may be connected to a strap frame (not shown) by a pin;
the positioning rod 10 passes through the chute 3 and is connected to the transmission shaft 1 through threads;
A screw rod 6, one end of the screw rod 6 is embedded into the blind hole 12, the screw rod 6 is connected with a fixed nut 11 at a front end part 13 of the blind hole 12, the fixed nut 11 is fixedly connected to the transmission shaft 1, and the other end of the screw rod 6 is fixedly connected to the bottom of the sliding sleeve 2 and extends out from the bottom of the sliding sleeve 2;
The handle 5 is arranged at the tail end of the other end of the screw rod 6, and the rotation of the handle 5 enables the screw rod 6 to rotate and move in the blind hole 12 and drives the sliding sleeve 2 to move back and forth along the sliding groove 3, so that the included angle between the supporting rod 9 and the side surface of the sliding sleeve 2 is changed to expand and contract the strapping frame.
According to the utility model, the sliding sleeve is synchronously driven to move in a threaded connection mode of the screw rod and the fixing nut, so that the expansion and contraction function of the support rod is completed. The utility model can ensure that the fixing nut cannot slide relatively with the transmission shaft, and can easily pull out the fixing nut through the top thread hole. The positioning rod can ensure that the sliding sleeve stably moves in the sliding groove without circumferential rotation, is convenient to withdraw from the sliding sleeve during maintenance, and can ensure that the sliding sleeve cannot suddenly drop off during withdrawal.
In the strap frame expanding and contracting device, the other end of the screw rod 6 is provided with the baffle ring 15, the other end of the screw rod 6 is clamped at the bottom of the sliding sleeve 2 through the baffle ring 15, and the baffle ring 15 is clamped at the outer side of the bottom of the sliding sleeve 2.
In the above strap frame collapsible device, the strap frame collapsible device further includes:
a fixing ring 7, the fixing ring 7 being mounted on the outer side of the retainer ring 15 and the fixing ring 7 being fixedly connected to the side of the sliding sleeve 2.
In the above-described strap frame expanding and contracting device, the retainer ring 15 maintains a gap between the slide sleeve 2 and the fixed ring 7.
In the strap frame expanding and contracting device, the fixing nut 11 adopts a convex flange structure, the flange end of the fixing nut 11 is provided with the jackscrew hole 4, and the flange end of the fixing nut 11 is inserted into the jackscrew hole 4 through the countersunk head bolt 8 to be fixedly connected with the transmission shaft 1.
In the strap frame expanding and contracting device, the fixed nut 11 is in transition fit with the transmission shaft 1, and the sliding sleeve 2 is in clearance fit with the transmission shaft 1.
In the strap frame expanding and contracting device, the change of the included angle is determined by the length of the chute 3.
In the strap frame expanding and contracting device, two support rods 9 are connected to each side face of the sliding sleeve 2, and the two support rods 9 are arranged at intervals relative to the sliding groove 3.
In addition, the utility model also provides a steel belt bundling machine, which comprises the bundling frame expanding and contracting device of the steel belt bundling machine.
In order to more clearly illustrate the embodiments of the present utility model, the embodiments will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the strap frame expanding and contracting device of the steel strap bundling machine mainly comprises a transmission shaft 1, a sliding sleeve 2, a sliding chute 3, a jackscrew hole 4, a handle 5, a screw rod 6, a fixing ring 7, a countersunk bolt 8, a supporting rod 9, a positioning rod 10, a fixing nut 11, a blind hole 12, a front end part 13, a rear end part 14 and a baffle ring 15. A blind hole 12 is formed in the center of one end of the transmission shaft 1, the blind hole 12 is provided with a front end part 13 and a rear end part 14, the diameter of the front end part 13 is larger than that of the rear end part 14, the front end part 13 is embedded and matched with a relatively tight fixing nut 11, a jackscrew hole 4 is formed in the flange end of the fixing nut 11, and the flange end of the fixing nut 11 is connected with the transmission shaft 1 at the jackscrew hole 4 through a countersunk bolt 8; the sliding sleeve 2 is sleeved on the transmission shaft 1, the sliding chute 3 is rotated to the position of the positioning rod 10, and two symmetrical positioning rods 10 are installed; the supporting rod 9 is arranged on the side surface of the sliding sleeve 2 and is connected with the strapping frame; one end of the screw rod 6 is embedded into the blind hole 12, the screw rod 6 is connected with the fixed nut 11 at the front end part 13, the other end of the screw rod 6 is provided with a baffle ring 15, the baffle ring 15 is clamped on the outer side of the bottom of the sliding sleeve 2, the fixed ring 7 is arranged on the outer side of the baffle ring 15, and the handle 5 is arranged at the outermost side or the end of the other end of the screw rod 6.
When the device is used, after an operator loads the strapping, the handle 5 on the screw rod 6 is rotated, the screw rod 6 can rotate and move in the blind hole 12 and drive the sliding sleeve 2 to move back and forth along the sliding groove 3, so that the included angle between the supporting rod 9 on the sliding sleeve 2 and the side surface of the sliding sleeve 2 is changed, the function of expanding and contracting the strapping frame is achieved, and the screw rod 6 is rotated and moved in the process.
In the above device, preferably, the fixing nut 11 is in transition fit with the transmission shaft 1, and the sliding sleeve 2 is in clearance fit with the transmission shaft 1.
In the above-described device, the countersunk bolts 8 are preferably used in view of space utilization. Of course, other bolts may be used instead.
In the above device, preferably, the retainer ring 15 maintains a certain gap between the sliding sleeve 2 and the fixed ring 7, and the screw 6 is easily rotated.
In the above device, preferably, the chute 3 and the positioning rod 10 are symmetrically arranged.
In the above device, preferably, the positioning rod 10 is installed at one end of the sliding chute 2, and is used as a starting position of maximum (minimum) expansion and contraction, and the change of the included angle of the supporting rod 9 is determined by the length of the sliding chute 3 on the sliding sleeve 2.
By the mode, the tensioning of the strapping frame of the bundling machine is realized, and the steel strapping tape is uncoiled under the rotation of the transmission shaft; after the steel strapping is fed, the strapping frame of the bundling machine contracts, and the inner ring of the steel strapping coil is taken down; repeating the above steps.
Therefore, the utility model provides the strap frame expanding and contracting device of the steel strap bundling machine, which has the characteristics of strong practicability, convenience in maintenance and replacement and compact structure. According to the utility model, the sliding sleeve is synchronously driven to move in a threaded connection mode of the screw rod and the fixing nut, so that the expansion and contraction function of the support rod is completed. The fixing nut adopts the convex flange, so that the fixing nut can not slide relatively with the transmission shaft, and can be easily pulled out through the top thread hole. The positioning rod can ensure that the sliding sleeve stably moves in the sliding groove without circumferential rotation, is convenient to withdraw from the sliding sleeve during maintenance, and can ensure that the sliding sleeve cannot suddenly drop off during withdrawal.
It should be noted that, each component or step in each embodiment may be intersected, replaced, added, and deleted, and therefore, the combination formed by these reasonable permutation and combination transformations shall also belong to the protection scope of the present utility model, and shall not limit the protection scope of the present utility model to the embodiments.
The foregoing is an exemplary embodiment of the present disclosure, and the order in which the embodiments of the present disclosure are disclosed is merely for the purpose of description and does not represent the advantages or disadvantages of the embodiments. It should be noted that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest that the scope of the disclosure of embodiments of the utility model (including the claims) is limited to these examples and that various changes and modifications may be made without departing from the scope of the utility model as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the utility model, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the utility model, and there are many other variations of the different aspects of the embodiments of the utility model as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are made within the spirit and principles of the embodiments of the utility model, are included within the scope of the embodiments of the utility model.
Claims (10)
1. The utility model provides a strapping frame device that contracts of steel band bundling machine which characterized in that includes:
A transmission shaft, wherein a blind hole is formed in the center of one end of the transmission shaft, the blind hole is provided with a front end part and a rear end part, and the diameter of the front end part is larger than that of the rear end part;
The sliding sleeve is sleeved on the transmission shaft, a sliding groove is formed in the sliding sleeve, and the sliding sleeve moves back and forth along the sliding groove;
one end of the supporting rod is connected to the side face of the sliding sleeve through a pin shaft, and the other end of the supporting rod is connected to the strapping frame through a pin shaft;
The positioning rod penetrates through the sliding groove and is connected to the transmission shaft through threads;
A screw having one end inserted into the blind hole, the screw being connected to a fixing nut at the front end portion of the blind hole, the fixing nut being fixedly connected to the driving shaft, the other end of the screw being fixedly connected to and extending from the bottom of the sliding sleeve;
The handle is arranged at the tail end of the other end of the screw rod, and the screw rod is rotated and moved in the blind hole by the rotation of the handle, and drives the sliding sleeve to move back and forth along the sliding groove, so that the included angle between the supporting rod and the side surface of the sliding sleeve is changed, and the strapping frame is expanded and contracted.
2. The strap frame collapsible device of a steel strap baler of claim 1, wherein a stop ring is provided at the other end of the screw, the stop ring being clamped outside the bottom of the sliding sleeve.
3. The strap frame collapsing apparatus of a steel strap baler of claim 2, further comprising:
And a fixing ring installed on an outer side of the stopper ring and fixedly coupled to a side surface of the sliding sleeve.
4. A strap frame collapsing apparatus for a steel strap baler as claimed in claim 3 wherein the stop ring maintains a gap between the sliding sleeve and the securing ring.
5. The strap frame collapsible device of a steel strap baler of claim 1, wherein the securing nut is of a male flange type structure, a top wire hole is provided in a flange end of the securing nut, and the flange end of the securing nut is fixedly connected to the drive shaft by inserting a bolt into the top wire hole.
6. The strap frame collapsing apparatus of a steel strap baler of claim 5, wherein the bolt comprises a countersunk bolt.
7. The strap frame collapsible device of a steel strap baler of claim 1 wherein said retaining nut is in transition fit with said drive shaft and said sliding sleeve is in clearance fit with said drive shaft.
8. The strap frame collapsing apparatus of a steel strap baler of claim 1, wherein the magnitude of the change in the included angle is determined by the length of the chute.
9. The strap frame collapsible device of a steel strap baler of claim 1 wherein two of said support bars are attached to each side of said runner, said two support bars being spaced apart relative to said runner.
10. A steel strip baler comprising a strap frame expansion device of the steel strip baler of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420290170.7U CN221986695U (en) | 2024-02-08 | 2024-02-08 | A strapping frame expansion and contraction device for a steel strapping machine and a steel strapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420290170.7U CN221986695U (en) | 2024-02-08 | 2024-02-08 | A strapping frame expansion and contraction device for a steel strapping machine and a steel strapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221986695U true CN221986695U (en) | 2024-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420290170.7U Active CN221986695U (en) | 2024-02-08 | 2024-02-08 | A strapping frame expansion and contraction device for a steel strapping machine and a steel strapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221986695U (en) |
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2024
- 2024-02-08 CN CN202420290170.7U patent/CN221986695U/en active Active
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