CN216679645U - Feeding mechanism for surface heat treatment of small-size metal bar - Google Patents
Feeding mechanism for surface heat treatment of small-size metal bar Download PDFInfo
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- CN216679645U CN216679645U CN202123450028.XU CN202123450028U CN216679645U CN 216679645 U CN216679645 U CN 216679645U CN 202123450028 U CN202123450028 U CN 202123450028U CN 216679645 U CN216679645 U CN 216679645U
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Abstract
The utility model discloses a feeding mechanism for surface heat treatment of small-size metal bars, which comprises a rack, a conveying unit and a straightening unit, wherein the conveying unit is arranged on the rack; the conveying unit comprises two groups of conveying roller sets, each group of conveying roller sets respectively comprises a plurality of conveying rollers, the conveying rollers in the two groups of conveying roller sets are in one-to-one correspondence and are arranged in an aligned mode, and the distance between the conveying rollers in each group of conveying roller sets is smaller than the length of the metal bar; the straightening unit comprises two groups of straightening roller sets, each group of straightening roller set comprises a plurality of straightening rollers, and the straightening rollers in the two groups of straightening roller sets are arranged in a staggered mode; the plurality of conveying rollers and the plurality of straightening rollers rotate synchronously. According to the feeding mechanism, firstly, the metal bar can be prevented from being deformed greatly; secondly, straightening can be realized through the straightening unit, and small deformation of the metal bar in the quenching process is eliminated; thirdly, the continuous processing of a plurality of metal bars can be realized, and the processing efficiency of the metal bars is improved.
Description
Technical Field
The utility model relates to the field of metal heat treatment, in particular to a feeding mechanism for heat treatment of the surface of a small-size metal bar.
Background
The surface heat treatment is a metal heat treatment process for changing the mechanical property of a surface layer by heating and cooling the surface of a steel piece. Surface quenching is the main content of surface heat treatment, with the aim of obtaining a high hardness surface layer and a favourable internal stress distribution to improve the wear and fatigue resistance of the workpiece.
Currently, surface quenching of metal bars is typically accomplished by means of an induction hardening apparatus. Induction quenching is a quenching technique for heating a workpiece by generating eddy currents in the workpiece using electromagnetic induction. The existing induction hardening device is provided with an induction heating ring which can reciprocate along the length direction of a metal bar, and the metal bar is heated by the induction heating ring by utilizing the electromagnetic induction to generate eddy current in the metal bar in the motion process.
However, for a small-sized metal bar, due to its short length, the metal bar may shift during the reciprocating motion of the induction heating coil, so that the induction degrees of all the parts of the surface of the metal bar are not consistent, and the metal bar may be deformed; meanwhile, the induction heating ring moves for quenching, so that only one metal bar can be subjected to surface quenching at one time, and after the treatment is finished, the metal bar needs to be taken down and replaced by another metal bar to be treated, so that continuous work cannot be realized, and the processing efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a feeding mechanism for heat treatment of the surface of a small-size metal bar.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a feeding mechanism for surface heat treatment of small-size metal bars is used for continuously conveying the small-size metal bars through a quenching mechanism and comprises a rack, a conveying unit and a straightening unit, wherein the conveying unit and the straightening unit are arranged on the rack;
the conveying unit comprises two groups of mutually parallel conveying roller sets, a conveying channel is formed between the two groups of conveying roller sets, each group of conveying roller sets respectively comprises a plurality of conveying rollers which are arranged at intervals along the conveying direction of the metal bar, the conveying rollers are rotatably arranged around the axial lead direction of the conveying rollers, the plurality of conveying rollers in the two groups of conveying roller sets are in one-to-one correspondence and are aligned, and the intervals of the plurality of conveying rollers in each group of conveying roller sets are smaller than the length of the metal bar;
the straightening unit comprises two groups of straightening roller sets which are parallel to each other, a straightening channel is formed between the two groups of straightening roller sets, each group of straightening roller set comprises a plurality of straightening rollers which are arranged at intervals along the conveying direction of the metal bar, the straightening rollers are rotatably arranged around the axial lead direction of the straightening rollers, and the straightening rollers in the two groups of straightening roller sets are arranged in a staggered manner;
the conveying rollers and the straightening rollers rotate synchronously, the quenching mechanism is positioned between the conveying unit and the straightening unit, a quenching channel is formed in the quenching mechanism, and the conveying channel, the quenching channel and the straightening channel are consistent in extension direction.
Preferably, two corresponding conveying rollers in the two groups of conveying roller sets are arranged along the conveying direction perpendicular to the metal bar.
Preferably, a plurality of straightening rollers forming the straightening roller group have gaps between every two straightening rollers, and the gaps between two adjacent straightening rollers forming one group of straightening roller group are aligned with the straightening rollers forming one group of straightening roller group.
Preferably, one of the two sets of conveying roller sets is arranged in a slidable manner in a direction close to or away from the other set, and one of the two sets of straightening roller sets is also arranged in a slidable manner in a direction close to or away from the other set.
Further preferably, the two sets of conveying roller sets include a first conveying roller set fixedly arranged and a second conveying roller set slidably arranged, the first conveying roller set includes a plurality of first conveying rollers, the second conveying roller set includes a plurality of second conveying rollers, and the conveying unit further includes a plurality of first driving assemblies respectively used for correspondingly driving the plurality of second conveying rollers to slide.
Still further preferably, the first driving assembly includes a first slide rail disposed on the frame and extending along a direction perpendicular to the conveying direction of the metal bar, a first slide block slidably disposed on the first slide rail, and a first elastic element and a first driving rod respectively disposed at two ends of the first slide rail in the extending direction, one end of the first elastic element is connected to one end surface of the first slide block close to the first conveying roller set, the other end of the first elastic element is connected to the frame, the first driving rod is threaded through the frame along the sliding direction of the first slide block, and one end of the first driving rod abuts against an end surface of the first slide block away from the first conveying roller set.
Still further preferably, the two straightening roller groups comprise a first straightening roller group fixedly arranged and a second straightening roller group slidably arranged, the first straightening roller group comprises a plurality of first straightening rollers, the second straightening roller group comprises a plurality of second straightening rollers, and the straightening unit further comprises a plurality of second driving assemblies respectively used for correspondingly driving the second straightening rollers to slide.
Still further preferably, the second driving assembly includes a second slide rail disposed on the frame and extending along a direction perpendicular to the conveying direction of the metal bar, a second slide block slidably disposed on the second slide rail, and a second elastic element and a second driving rod respectively disposed at two ends of the second slide rail in the extending direction, one end of the second elastic element is connected to one end surface of the second slide block close to the first straightening roller set, the other end of the second elastic element is connected to the frame, the second driving rod is threaded through the frame along the sliding direction of the second slide block, and one end of the second driving rod abuts against an end surface of the second slide block far from the first straightening roller set.
Still further preferably, the feeding mechanism further comprises a synchronizing assembly for driving the plurality of first conveying rollers and the plurality of first straightening rollers to rotate synchronously, the first conveying rollers are provided with first gears, the first straightening rollers are provided with second gears, and the synchronizing assembly comprises a synchronous belt in transmission connection with the plurality of first gears and the plurality of second gears and a speed reduction motor for driving one of the first gears to rotate.
Preferably, the feeding mechanism further comprises two groups of guide units arranged on the rack and respectively located at two ends of the straightening channel in the extending direction, each group of guide units comprises two guide rollers arranged along the conveying direction perpendicular to the metal bar rod, and one of the guide rollers is slidably arranged in the direction close to or far from the other guide roller.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
(1) the conveying unit is arranged at the front end of the quenching mechanism, and the distance between the conveying rollers in each group of conveying roller sets is smaller than the length of the metal bar, so that the metal bar can be at least supported on the two conveying rollers in the conveying process, and the metal bar is prevented from shifting when entering the quenching mechanism, and further the metal bar is prevented from being deformed greatly;
(2) the straightening unit is arranged at the rear end of the quenching mechanism, so that after the metal bar is output from the quenching mechanism, the metal bar can be straightened through the straightening unit, small deformation of the metal bar in the quenching process is eliminated, and the quenching quality is improved;
(3) through the cooperation of conveying unit and straightening unit for metal bar can continuously carry, thereby realizes the continuous processing of many metal bar, has improved the machining efficiency of metal bar.
Drawings
FIG. 1 is a schematic top view of a feed mechanism in an embodiment of the utility model;
FIG. 2 is a schematic front view of a feed mechanism in an embodiment of the utility model;
fig. 3 is a left side view of the feeding mechanism in the embodiment of the present invention.
In the figure: 1. a frame; 2. a conveying roller set; 2a, a first conveying roller group; 2a1, a first conveyor roller; 2a11, a first gear; 2a12, a first rotating shaft; 2a13, a first roller; 2b, a second conveying roller group; 2b1, second conveying roller; 3. a delivery channel; 4. a straightening roller set; 4a, a first straightening roller group; 4a1, first straightening roller; 4b, a second straightening roller group; 4b1, second straightening roller; 4c, a gap; 5. a straightening channel; 6. a first drive assembly; 6a, a first slide rail; 6b, a first sliding block; 6c, a first elastic member; 6d, a first driving rod; 7. a second drive assembly; 7a, a second slide rail; 7b, a second slide block; 7c, a second elastic member; 7d, a second driving rod; 8. a synchronization component; 8a, a synchronous belt; 8b, a speed reducing motor; 8c, a third gear; 8d, a fourth gear; 9. a guide unit; 9a, a guide roller; 10. a third drive assembly; 10a, a third slide rail; 10b, a third slide block; 10c, a third elastic member; 10d, a third driving rod;
30. a quenching mechanism; 31. and (3) quenching channels.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
The utility model relates to an improvement on surface heat treatment of a metal bar, in particular to a feeding mechanism for surface heat treatment of a small-size metal bar, which has the following advantages: (1) the conveying unit is arranged at the front end of the quenching mechanism 30, and the distance between the conveying rollers in each group of conveying roller sets 2 is smaller than the length of the metal bar, so that the metal bar can be at least supported on two conveying rollers in the conveying process, the metal bar is prevented from being deviated when entering the quenching mechanism 30, and the metal bar is prevented from being deformed greatly; (2) the straightening unit is arranged at the rear end of the quenching mechanism 30, so that after the metal bar is output from the quenching mechanism 30, the metal bar can be straightened through the straightening unit, small deformation of the metal bar in the quenching process is eliminated, and the quenching quality is improved; (3) through the cooperation of conveying unit and straightening unit for metal bar can continuously carry, thereby realizes the continuous processing of many metal bar, has improved the machining efficiency of metal bar.
Referring to fig. 1-3, there is shown a feeding mechanism for heat treatment of the surface of a small-sized metal bar for continuously feeding the small-sized metal bar through a quenching mechanism 30, which comprises a frame 1, a feeding unit and a straightening unit, the feeding unit and the straightening unit being provided on the frame 1;
the conveying unit comprises two groups of mutually parallel conveying roller sets 2, a conveying channel 3 is formed between the two groups of conveying roller sets 2, each group of conveying roller sets 2 respectively comprises a plurality of conveying rollers which are arranged at intervals along the conveying direction of the metal bar, the conveying rollers are rotatably arranged around the axial lead direction of the conveying rollers, the plurality of conveying rollers in the two groups of conveying roller sets 2 are in one-to-one correspondence and are aligned, and the distance between the plurality of conveying rollers in each group of conveying roller sets 2 is smaller than the length of the metal bar;
the straightening unit comprises two groups of straightening roller sets 4 which are parallel to each other, a straightening channel 5 is formed between the two groups of straightening roller sets 4, each group of straightening roller set 4 comprises a plurality of straightening rollers which are arranged at intervals along the conveying direction of the metal bar, the straightening rollers are rotatably arranged around the axial lead direction of the straightening rollers, and the straightening rollers in the two groups of straightening roller sets 4 are arranged in a staggered manner;
the conveying rollers and the straightening rollers rotate synchronously, the quenching mechanism 30 is positioned between the conveying unit and the straightening unit, the quenching mechanism 30 is provided with a quenching channel 31, and the extension directions of the conveying channel 3, the quenching channel 31 and the straightening channel 5 are consistent.
Thus, when the metal bar is conveyed by surface heat treatment, the first metal bar to be treated is conveyed into the conveying channel 3, the metal bar moves forwards under the conveying action of the two groups of conveying roller sets 2 and enters the quenching channel 31 for quenching, and after quenching is finished, the metal bar enters the straightening channel 5 for straightening and then is output;
in the process that the first metal bar to be processed moves forwards, the subsequent metal bars can be continuously and sequentially sent into the conveying channel 3, so that continuous processing of a plurality of metal bars is realized.
In the present embodiment, the two corresponding conveying rollers of the two sets of conveying rollers 2 are arranged along the conveying direction of the vertical metal bar. Gaps 4c are formed between every two straightening rollers forming the straightening roller group 4, and the gaps 4c between every two adjacent straightening rollers forming one group of straightening roller group 4 are arranged in alignment with the straightening rollers forming one group of straightening roller group 4. In this way, the arrangement direction of the two corresponding conveying rollers in the two groups of conveying roller sets 2 is set to be perpendicular to the conveying direction of the metal bar, so that the conveying stability of the metal bar can be ensured; and by arranging the gap 4c between two adjacent straightening rollers forming one of the straightening roller sets 4 in alignment with the straightening rollers forming one of the straightening roller sets 4, the straightening rollers can slightly extrude the metal bar towards the direction corresponding to the gap 4c in the process that the metal bar passes through the straightening channel 5, so that the straightening of the metal bar can be realized.
Preferably, one of the two sets of conveying roller sets 2 is slidably disposed in a direction approaching or separating from the other set, and one of the two sets of straightening roller sets 4 is also slidably disposed in a direction approaching or separating from the other set.
In this way, the feeding mechanism of the present example can be applied to metal bars with more section sizes by the slidable arrangement of one of the conveying roller sets 2 and one of the straightening roller sets 4; meanwhile, the section size of the metal bar can be more matched with the conveying channel 3 and the straightening channel 5 by sliding adjustment of one group of the conveying roller sets 2 and one group of the straightening roller sets 4, and the conveying stability and the straightening effect are further improved.
Further, the two sets of conveying roller sets 2 comprise a first conveying roller set 2a fixedly arranged and a second conveying roller set 2b slidably arranged, the first conveying roller set 2a comprises a plurality of first conveying rollers 2a1, the second conveying roller set 2b comprises a plurality of second conveying rollers 2b1, and the conveying unit further comprises a plurality of first driving assemblies 6 respectively used for correspondingly driving the plurality of second conveying rollers 2b1 to slide; the two straightening roller groups 4 comprise a first straightening roller group 4a fixedly arranged and a second straightening roller group 4b slidably arranged, the first straightening roller group 4a comprises a plurality of first straightening rollers 4a1, the second straightening roller group 4b comprises a plurality of second straightening rollers 4b1, and the straightening unit further comprises a plurality of second driving assemblies 7 respectively used for driving the plurality of second straightening rollers 4b1 to slide.
The first driving assembly 6 includes a first slide rail 6a disposed on the frame 1 and extending along a conveying direction perpendicular to the metal bar, a first slider 6b slidably disposed on the first slide rail 6a, a first elastic member 6c and a first driving rod 6d respectively disposed at two ends of the first slide rail 6a in the extending direction, one end of the first elastic member 6c is connected to one end face of the first slider 6b close to the first conveying roller set 2a, the other end of the first elastic member is connected to the frame 1, the first driving rod 6d is threaded through the frame 1 along the sliding direction of the first slider 6b, and one end of the first driving rod abuts against one end face of the first slider 6b away from the first conveying roller set 2 a.
The second driving assembly 7 includes a second slide rail 7a disposed on the frame 1 and extending along the conveying direction perpendicular to the metal bar, a second slider 7b slidably disposed on the second slide rail 7a, a second elastic element 7c and a second driving rod 7d respectively disposed at two ends of the second slide rail 7a in the extending direction, one end of the second elastic element 7c is connected to one end face of the second slider 7b close to the first straightening roller group 4a, the other end of the second elastic element is connected to the frame 1, the second driving rod 7d is threaded through the frame 1 along the sliding direction of the second slider 7b, and one end of the second driving rod is abutted to one end face of the second slider 7b away from the first straightening roller group 4 a.
In this example, the first elastic member 6c and the second elastic member 7c are both springs, and the first driving lever 6d and the second driving lever 7d are both bolts. When the first sliding block 6b needs to move towards the direction close to the first conveying roller group 2a, the bolt can advance spirally only by rotating the bolt in the forward direction, so that the first sliding block 6b is pushed towards the direction close to the first conveying roller group 2a, and the spring is extruded; when the first slider 6b needs to be moved in the direction away from the first conveying roller group 2a, the bolt can be screwed back only by reversely rotating the bolt, and at this time, the first slider 6b loses the extrusion force and moves in the direction away from the first conveying roller group 2a under the elastic action of the spring. The driving of the second driving assembly 7 is the same.
In this embodiment, the feeding mechanism further includes a synchronizing assembly 8 for driving the plurality of first conveying rollers 2a1 to rotate synchronously with the plurality of first straightening rollers 4a1, a first gear 2a11 is disposed on the first conveying roller 2a1, a second gear is disposed on the first straightening roller 4a1, and the synchronizing assembly 8 includes a synchronous belt 8a in transmission connection with the plurality of first gears 2a11 and the plurality of second gears, and a reduction motor 8b for driving one of the first gears 2a11 to rotate.
Specifically, the first conveying roller 2a1 includes a first rotating shaft 2a12, a first roller wheel 2a13 disposed at one end of the first rotating shaft 2a12, a first gear 2a11 disposed at the other end of the first rotating shaft 2a12, and the first straightening roller 4a1 includes a second rotating shaft, a second roller wheel disposed at one end of the second rotating shaft, and a second gear disposed at the other end of the second rotating shaft; the output shaft of the reduction motor 8b is sleeved with a third gear 8c, a fourth gear 8d is further arranged between the third gear 8c and the first gear 2a11, the third gear 8c and the first gear 2a11 are respectively meshed with the fourth gear 8d, and the reduction motor 8b can drive the first gear 2a11 through multi-stage transmission of the third gear 8c, the fourth gear 8d and the first gear 2a 11.
In this embodiment, the feeding mechanism further comprises two sets of guiding units 9 disposed on the frame 1 and respectively located at two ends of the straightening channel 5 in the extending direction, each set of guiding units 9 includes two guiding rollers 9a arranged along the conveying direction perpendicular to the metal bar, and one of the guiding rollers 9a is slidably disposed in a direction close to or away from the other guiding roller. Through the arrangement of the two groups of guide units 9, the metal bar can be pulled when entering the straightening unit from the quenching mechanism 30 and being output from the straightening unit, and the quenching stability and the quenching efficiency are further improved.
Further, one of the guide rollers 9a of each set of guide units 9 is slidably disposed in a direction approaching or separating from the other. The feeding mechanism of this embodiment further includes a third driving assembly 10 for driving one of the guide rollers 9a to slide, the third driving assembly 10 includes a third slide rail 10a disposed on the frame 1 and extending along a direction perpendicular to the conveying direction of the metal bar, a third slide block 10b slidably disposed on the third slide rail 10a, a third elastic member 10c and a third driving rod 10d respectively disposed at two ends of the extending direction of the third slide rail 10a, one end of the third elastic member 10c is connected to one end surface of the third slide block 10b close to one of the other guide rollers 9a, the other end is connected to the frame 1, the third driving rod 10d is threaded through the frame 1 along the sliding direction of the third slide block 10b, and one end of the third driving rod abuts against one end surface of the third slide block 10b far from the other guide roller 9 a. The third elastic member 10c is a spring, the third driving rod 10d is a bolt, and the driving principle of the third driving assembly 10 is the same as that of the first driving assembly 6 and the second driving assembly 7.
The following specifically explains the working process of this embodiment: the metal bar to be processed is sent into the conveying channel 3, one side part of the metal bar is pressed against the first conveying roller group 2a, the second conveying roller group 2b is moved at the same time, the second conveying roller group 2b is pressed against the other side part of the metal bar, then the second straightening roller group 4b and the guide rollers 9a are moved, the straightening channel 5 is matched with the conveying channel 3 in an extending mode, the metal bar moves forwards under the conveying action of the two conveying roller groups 2 and enters the quenching channel 31 for quenching, after the quenching is completed, the metal bar enters the straightening channel 5 through one guide unit 9 for straightening, and then is output through the other guide unit 9.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a feeding mechanism that small-size metal bar surface heat treatment used for continuously carry small-size metal bar through quenching mechanism which characterized in that: the feeding mechanism comprises a rack, a conveying unit and a straightening unit, wherein the conveying unit and the straightening unit are arranged on the rack;
the conveying unit comprises two groups of mutually parallel conveying roller sets, a conveying channel is formed between the two groups of conveying roller sets, each group of conveying roller sets respectively comprises a plurality of conveying rollers which are arranged at intervals along the conveying direction of the metal bar, the conveying rollers are rotatably arranged around the axial lead direction of the conveying rollers, the plurality of conveying rollers in the two groups of conveying roller sets are in one-to-one correspondence and are aligned, and the intervals of the plurality of conveying rollers in each group of conveying roller sets are smaller than the length of the metal bar;
the straightening unit comprises two groups of straightening roller sets which are parallel to each other, a straightening channel is formed between the two groups of straightening roller sets, each group of straightening roller set comprises a plurality of straightening rollers which are arranged at intervals along the conveying direction of the metal bar, the straightening rollers are rotatably arranged around the axial lead direction of the straightening rollers, and the straightening rollers in the two groups of straightening roller sets are arranged in a staggered manner;
the conveying rollers and the straightening rollers rotate synchronously, the quenching mechanism is positioned between the conveying unit and the straightening unit, a quenching channel is formed in the quenching mechanism, and the conveying channel, the quenching channel and the straightening channel are consistent in extension direction.
2. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 1, wherein: and the two corresponding conveying rollers in the two groups of conveying roller sets are arranged along the conveying direction vertical to the metal bar.
3. The feeding mechanism for surface heat treatment of small-sized metal bars as claimed in claim 1, wherein: gaps are formed between every two straightening rollers forming the straightening roller group, and the gaps between every two adjacent straightening rollers forming one group of straightening roller group are arranged in alignment with the straightening rollers forming one group of straightening roller group.
4. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 1, wherein: one of the two groups of conveying roller sets is arranged in a slidable way along the direction close to or far from the other group, and one of the two groups of straightening roller sets is also arranged in a slidable way along the direction close to or far from the other group.
5. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 4, wherein: the two groups of conveying roller sets comprise a first conveying roller set fixedly arranged and a second conveying roller set slidably arranged, the first conveying roller set comprises a plurality of first conveying rollers, the second conveying roller set comprises a plurality of second conveying rollers, and the conveying unit further comprises a plurality of first driving assemblies which are used for correspondingly driving the plurality of second conveying rollers to slide respectively.
6. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 5, wherein: the first driving assembly comprises a first slide rail, a first sliding block, a first elastic piece and a first driving rod, wherein the first slide rail is arranged on the rack and extends along the vertical direction of the metal bar rod, the first sliding block is arranged on the first slide rail, and the first elastic piece and the first driving rod are arranged at the two ends of the first slide rail in the extending direction respectively.
7. The feeding mechanism for surface heat treatment of small-sized metal bars as claimed in claim 6, wherein: the two straightening roller groups comprise a first straightening roller group fixedly arranged and a second straightening roller group capable of sliding, the first straightening roller group comprises a plurality of first straightening rollers, the second straightening roller group comprises a plurality of second straightening rollers, and the straightening unit further comprises a plurality of second driving assemblies which are used for driving the plurality of second straightening rollers to slide respectively.
8. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 7, wherein: the second driving assembly comprises a second slide rail, a second sliding block, a second elastic piece and a second driving rod, the second slide rail is arranged on the rack and extends along the direction perpendicular to the conveying direction of the metal bar, the second sliding block is slidably arranged on the second slide rail, the second elastic piece and the second driving rod are respectively arranged at two ends of the extending direction of the second slide rail, one end of the second elastic piece is connected with one end face, close to the first straightening roller group, of the second sliding block, the other end of the second elastic piece is connected with the rack, the second driving rod penetrates through the rack along the sliding direction of the second sliding block in a threaded mode, and one end of the second driving rod is abutted to one end face, away from the first straightening roller group, of the second sliding block.
9. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 8, wherein: the feeding mechanism further comprises a synchronizing assembly used for driving the first conveying rollers and the first straightening rollers to rotate synchronously, a first gear is arranged on the first conveying rollers, a second gear is arranged on the first straightening rollers, and the synchronizing assembly comprises a synchronous belt in transmission connection with the first gears and the second gears and a speed reducing motor used for driving one of the first gears to rotate.
10. The feeding mechanism for the surface heat treatment of small-sized metal bars as claimed in claim 1, wherein: the feeding mechanism further comprises two groups of guide units which are arranged on the rack and are respectively positioned at two ends of the extension direction of the straightening channel, each group of guide units comprises two guide rollers which are arranged along the conveying direction vertical to the metal bar rod, and one of the guide rollers is arranged in a slidable manner along the direction close to or far away from the other guide roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123450028.XU CN216679645U (en) | 2021-12-31 | 2021-12-31 | Feeding mechanism for surface heat treatment of small-size metal bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123450028.XU CN216679645U (en) | 2021-12-31 | 2021-12-31 | Feeding mechanism for surface heat treatment of small-size metal bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216679645U true CN216679645U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123450028.XU Active CN216679645U (en) | 2021-12-31 | 2021-12-31 | Feeding mechanism for surface heat treatment of small-size metal bar |
Country Status (1)
| Country | Link |
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| CN (1) | CN216679645U (en) |
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2021
- 2021-12-31 CN CN202123450028.XU patent/CN216679645U/en active Active
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