Positioning and feeding mechanism and method for a copper rod drawing mill

Abstract

The present application belongs to copper rod drawing processing technical field, especially to a kind of positioning feeding mechanism and method of copper rod drawing machine.The top of the movable stand is connected with copper rod clamp, the left end of the movable stand is connected with material return air cylinder, the tail of the material return air cylinder is connected to the left side of feeding slider, the left side arm of feeding track sliding groove is provided with material return inductive switch, and the material return inductive switch is connected with material return air cylinder.The left movement of the feeding slider contacts with material return inductive switch to trigger material return air cylinder to shrink and tilt the movable stand to left;left clamping arm and right clamping arm are automatically opened, and copper rod is automatically separated from copper rod clamp and falls on material return inclined plate to return material.It improves the structure of drawing machine positioning feeding clamp, can change lever fixation according to the posture of clamp itself, so that copper rod can automatically separate from the fixation of clamp to realize automatic material return operation.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of copper rod drawing processing, in particular to a positioning and feeding mechanism and method of a copper rod drawing machine BACKGROUND

[0002] The feeding mechanism is a component used by the copper rod drawing machine, the drawing machine is a production equipment for copper rods, the copper rods are generally produced by electrolytic copper, and the resistivity is lower than that of low-oxygen copper rods, so in the production of products with relatively harsh resistance requirements, oxygen-free copper rods are more economical, and the drawing machine needs to use the feeding mechanism for feeding during operation.

[0003] The prior art has the following disadvantages: the feeding mechanism is single-axial for conveying copper rods, when the conveyed copper rods have size errors or the heads are reversed, the feeding mechanism cannot adjust the orientation of the copper rods according to the working mode of the drawing machine after feeding, and manual intervention is required to cooperate with the crane for material returning operation, which is relatively troublesome. SUMMARY

[0004] To solve the defects and problems of the prior art, the purpose of the present application is to provide a positioning and feeding mechanism and method of a copper rod drawing machine, which is simple in structure, reasonable in design and convenient to use, improves the structure of the positioning and feeding clamp of the drawing machine, can change the fixing of the lever according to the posture of the clamp itself, and enables the copper rod to automatically separate from the fixing of the clamp to realize automatic material returning operation.

[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: it comprises a feeding track, a driving screw, a feeding slider, a supporting vertical rod, a connecting shaft, a movable vertical column, a side limiting block, a connecting seat, a material returning cylinder, a copper rod clamp and a material returning induction switch; the driving screw is horizontally arranged in the inner sliding groove of the feeding track, the feeding slider is connected to the driving screw, the supporting vertical rod is fixed to the upper end of the feeding slider, the movable vertical column is connected to the top end of the supporting vertical rod through the connecting shaft, the side limiting block is fixed to the right side of the supporting vertical rod, and the side limiting block limits the right inclination of the movable vertical column so that the supporting vertical rod and the movable vertical column are kept on the same vertical line; the copper rod clamp is connected to the top end of the movable vertical column, the material returning cylinder is connected to the left side of the feeding slider through the connecting seat at the left end of the movable vertical column, and the material returning induction switch is arranged on the left side arm of the sliding groove of the feeding track and connected to the material returning cylinder.

[0006] As a preferred embodiment, the copper rod clamp comprises a left clamp arm, a right clamp arm, a spring, a buffer pad, a rotary connecting shaft, a copper rod bracket and an open limiting frame; the left clamp arm and the right clamp arm are connected to the top end of the movable vertical column through the rotary connecting shaft, the copper rod bracket is connected to the inner side of the left clamp arm and the right clamp arm, and the open limiting frame is connected to the outer side of the left clamp arm and the right clamp arm; the buffer pad is connected to the inner side of the left clamp arm and the right clamp arm through the spring.

[0007] As preferred, the copper rod bracket receives downward pressure of the copper rod to drive the left and right clamping arms to converge inward, and the copper rod is fixed by the cooperation of the buffer pad and the spring.

[0008] As preferred, the opening limiting frame limits the opening size of the left and right clamping arms to ensure that the copper rod accurately enters the copper rod clamp.

[0009] As preferred, the feeding slider moves to the left to contact a feeding withdrawal induction switch to trigger the feeding withdrawal cylinder to shrink to tilt the movable stand to the left, so that the left and right clamping arms are automatically opened, the copper rod is automatically separated from the copper rod clamp, and the copper rod falls on the feeding withdrawal inclined plate to be withdrawn.

[0010] As preferred, the feeding track is in parallel structure and is distributed to form a complete positioning feeding mechanism, and an expansion platform is connected to the outside of the feeding slider in the tail end of the feeding track, and a top support pushing motor is connected to the tail of the expansion platform to make the copper rod butt joint with the drawing machine.

[0011] As preferred, the positioning feeding mechanism of the copper rod drawing machine has the following operation process, which specifically includes the following steps.

[0012] Step one, first, the copper rod feeding device delivers the copper rod to the feeding waiting area, and then places the copper rod into the copper rod clamp one by one, the copper rod bracket is pressed downward by the self-weight of the copper rod, the left and right clamping arms are closed, and at the same time, the copper rod is fixed by the buffer pad and the spring; the feeding slider is driven to align the copper rod with the drawing machine according to the position of the drawing die opening of the drawing machine, and finally the copper rod end is pushed into the drawing die opening by the top support pushing motor for drawing treatment.

[0013] Step two, when the copper rod in the copper rod clamp has problems such as incorrect size and inverted direction of the copper rod end, the feeding slider is pushed to the left top end of the feeding track to trigger the feeding withdrawal induction switch, the feeding withdrawal cylinder is automatically shrunk to change the movable stand from the upright state to the inclined state, the copper rod bracket loses force during the tilting process, the left and right clamping arms are automatically opened, the copper rod automatically falls out from the feeding withdrawal inclined plate, and finally the copper rod clamp is automatically reset to the feeding position.

[0014] After the above structure is adopted, the positioning feeding clamp structure of the drawing machine is improved, the change of lever fixation can be carried out according to the posture of the clamp itself, the copper rod can automatically separate from the clamp to realize automatic feeding withdrawal operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application is described in detail by the following specific embodiments and drawings.

[0016] Figure 1 The structure of the present application is shown in the figure;

[0017] Figure 2 This is a schematic diagram of the material return state of the present invention;

[0018] Figure 3 This is a schematic diagram of the copper rod clamp structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the overall structure of the present invention;

[0020] Explanation of reference numerals in the attached drawings: 1. Feeding track; 2. Drive screw; 3. Feeding slider; 4. Supporting column; 5. Connecting shaft; 6. Movable column; 7. Side limit block; 8. Connecting seat; 9. Unloading cylinder; 10. Copper rod clamp; 11. Unloading induction switch; 12. Unloading inclined plate; 13. Expansion platform; 14. Top support push motor; 101. Left clamping arm; 102. Right clamping arm; 103. Spring; 104. Buffer pad; 105. Rotary connecting shaft; 106. Copper rod bracket; 107. Opening limit bracket. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this invention clearer, the invention is described below with reference to specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0022] It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and / or processing steps closely related to the solution according to the invention are shown in the accompanying drawings, while other details that are not closely related to the invention are omitted.

[0023] See as Figures 1-4 As shown, this specific embodiment adopts the following technical solution: it includes a feeding track 1, a drive screw 2, a feeding slider 3, a support rod 4, a connecting shaft 5, a movable column 6, a side limiting block 7, a connecting seat 8, a material ejection cylinder 9, a copper rod clamp 10, and a material ejection induction switch 11; the internal groove of the feeding track 1 is horizontally provided with a drive screw 2, the drive screw 2 is connected to a feeding slider 3, the upper middle of the feeding slider 3 is fixed with a support rod 4, and the top of the support rod 4 is connected to the connecting shaft 5. A movable column 6 is connected, and a side limiting block 7 is fixed on the right side of the supporting column 4. The side limiting block 7 restricts the movable column 6 from tilting to the right, so that the supporting column 4 and the movable column 6 are kept on the same vertical line. A copper rod clamp 10 is connected to the top of the movable column 6, and a material ejection cylinder 9 is connected to the left end connecting seat 8 of the movable column 6. The tail of the material ejection cylinder 9 is connected to the left side of the feeding slider 3. A material ejection induction switch 11 is set on the left arm of the slide of the feeding track 1. The material ejection induction switch 11 is connected to the material ejection cylinder 9.

[0024] Wherein, the copper rod clamp 10 is composed of left clamp arm 101, right clamp arm 102, spring 103, buffer pad 104, rotary connecting shaft 105, copper rod bracket 106, open limiting frame 107; the lower end of the left clamp arm 101, right clamp arm 102 is connected to the top of the movable column 6 through the rotary connecting shaft 105, and the inner side of the left clamp arm 101, right clamp arm 102 is connected with the copper rod bracket 106, and the outer side of the left clamp arm 101, right clamp arm 102 is connected with the open limiting frame 107; the inner side of the left clamp arm 101, right clamp arm 102 is connected with the buffer pad 104 through the spring 103.

[0025] Further, the copper rod bracket 106 receives the downward pressure of the copper rod to drive the left clamp arm 101 and the right clamp arm 102 to polymerize inward, and the copper rod is fixed by the cooperation of the buffer pad 104 and the spring 103; the open limiting frame 107 limits the opening size of the left clamp arm 101 and the right clamp arm 102 to ensure that the copper rod accurately enters the copper rod clamp 10.

[0026] In addition, the feeding slider 3 moves to the left and contacts the feeding sensing switch 11 to trigger the feeding cylinder 9 to retract and tilt the movable column 6 to the left; the left clamp arm 101 and the right clamp arm 102 are automatically opened, and the copper rod automatically separates from the copper rod clamp 10 and falls off the feeding inclined plate 12 for feeding; the feeding track 1 is in parallel structure and is distributed to form a complete positioning feeding mechanism, and the outer side of the feeding slider 3 in the middle of the tail end feeding track 1 is connected with the expansion platform 13, and the tail of the expansion platform 13 is connected with the top support pushing motor 14, so that the copper rod is connected with the drawing machine.

[0027] The positioning feeding mechanism operation process of a copper rod drawing machine, and the method comprises the following steps:

[0028] Step one, first, the copper rod feeding device transports the copper rod to the feeding waiting area, and then places the copper rod one by one into the copper rod clamp 10, and uses the self-weight of the copper rod to press down the copper rod bracket 106, so that the left clamp arm 101 and the right clamp arm 102 are closed, at the same time, the buffer pad 104 and the spring 103 strengthen the fixing of the copper rod; according to the position of the drawing die of the drawing machine, the feeding slider 3 drives the copper rod to align with the drawing machine, and finally the top support pushing motor 14 pushes the end of the copper rod into the drawing die for drawing treatment;

[0029] Step two: when the copper rod in the copper rod clamp 10 has problems, for example, the size of the copper rod is not correct, the direction of the end of the copper rod is reversed, etc.; the feeding slider 3 is pushed to the left top end of the feeding track 1 to trigger the feeding sensing switch 11, so that the feeding cylinder 9 automatically retracts and changes the movable column 6 from the upright state to the inclined state; during the tilting process, the copper rod bracket 106 loses power, the left clamp arm 101 and the right clamp arm 102 are automatically opened, the copper rod automatically falls off and is guided out from the feeding inclined plate 12, and finally the copper rod clamp 10 automatically resets to the feeding position.

[0030] The present application improves the positioning and feeding clamp structure of the drawing machine, and can change the lever fixation according to the posture of the clamp itself, so that the copper rod can automatically separate from the fixation of the clamp to realize automatic material returning operation.

[0031] It is apparent for a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the appended claims and not by the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced therein.

[0032] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A positioning feed mechanism for a copper rod drawing mill characterized by: It contains feeding track, drive screw, feeding slider, support vertical rod, connecting shaft, movable column, side limit block, connecting seat, material return cylinder, copper rod clamp, material return induction switch; The internal sliding groove of the feeding track is transversely provided with a drive screw, a feeding slider is connected to the drive screw, a support vertical rod is fixedly arranged at the upper end of the feeding slider, a movable column is connected to the top end of the support vertical rod through a connecting shaft, a side limit block is fixedly arranged on the right side of the support vertical rod, and the side limit block limits the right inclination of the movable column so that the support vertical rod and the movable column are kept on the same vertical line; A copper rod clamp is connected to the top end of the movable column, a material return cylinder is connected to the left end of the movable column through a connecting seat, the tail of the material return cylinder is connected to the left side of the feeding slider, and a material return induction switch is arranged on the left side arm of the sliding groove of the feeding track, and the material return induction switch is connected with the material return cylinder.

2. A positioning and feeding mechanism for a copper rod drawing mill as claimed in claim 1, characterized in that: The copper rod clamp is composed of a left clamp arm, a right clamp arm, a spring, a buffer pad, a rotary connecting shaft, a copper rod bracket and an open limiting frame; The lower ends of the left clamp arm and the right clamp arm are connected to the top end of the movable column through the rotary connecting shaft, the copper rod bracket is connected to the inner side of the left clamp arm and the right clamp arm, and the open limiting frame is connected to the outer side of the left clamp arm and the right clamp arm; The buffer pad is connected to the inner side of the left clamp arm and the right clamp arm through the spring.

3. A positioning and feeding mechanism for a copper rod drawing mill as claimed in claim 2, characterized in that: The copper rod bracket receives the downward pressure of the copper rod to drive the left clamp arm and the right clamp arm to aggregate inward, and the buffer pad and the spring are matched to fix the copper rod.

4. A positioning and feeding mechanism for a copper rod drawing mill as claimed in claim 2, characterized in that: The open limiting frame limits the opening size of the left clamp arm and the right clamp arm to ensure that the copper rod accurately enters the copper rod clamp.

5. A positioning and feeding mechanism for a copper rod drawing mill as claimed in claim 1, characterized in that: The left movement of the feeding slider contacts the material return induction switch to trigger the material return cylinder to shrink and tilt the movable column to the left; The left clamp arm and the right clamp arm are automatically opened, and the copper rod is automatically separated from the copper rod clamp and falls off the material return inclined plate for material return.

6. A positioning and feeding mechanism for a copper rod drawing mill as claimed in claim 2, characterized in that: The feeding track is in parallel structure and is distributed to form a complete positioning feeding mechanism, and the outer side of the feeding slider in the middle of the terminal feeding track is connected with an expansion platform, and the tail of the expansion platform is connected with a top support pushing motor, so that the copper rod is connected with the drawing machine.

7. A positioning and feeding mechanism operating procedure of a copper rod drawing mill as claimed in claim 6, wherein, Specifically includes the following steps: Step one, first, the copper rod feeding device transports the copper rod to the feeding waiting area, then places the copper rod into the copper rod clamp one by one, uses the self-weight of the copper rod to press down the copper rod bracket, makes the left clamp arm and the right clamp arm close, at the same time, the buffer pad and the spring fix the copper rod; According to the position of the drawing die of the drawing machine, drive the feeding slider to align the copper rod with the drawing machine, and finally push the copper rod end into the drawing die through the top support pushing motor for drawing treatment; Step two: when the copper rod in the copper rod clamp has the problems of incorrect copper rod size specification and reversed copper rod end direction; The feeding slider is pushed to the left top end of the feeding track to trigger the material return induction switch, so that the material return cylinder automatically shrinks and changes the movable column from the upright state to the inclined state; In the process of tilting, the copper rod bracket loses power, the left clamp arm and the right clamp arm are automatically opened, the copper rod automatically falls off and is guided out of the material return inclined plate, and finally the copper rod clamp automatically resets to the feeding position.

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