Tension adjusting device for wire drawing machine

Abstract

The utility model discloses a tension adjusting device for a wire drawing machine, which comprises a support base, the top end of the support base is fixedly connected with a support frame, the two sides of the top end of the support base are fixedly connected with fixing plates, one side of each fixing plate is movably connected with an adjusting screw rod, a screw rod sliding sleeve is arranged outside the adjusting screw rod, and the screw rod sliding sleeve is fixedly connected with the support frame. A double-head motor is installed at the top end of the supporting base, and an electric push rod is installed at the top end of the supporting frame. According to the tension adjusting device for the wire drawing machine, durability is prolonged through the replaceable tensioning wheel, when the tensioning wheel is disassembled, a positioning bolt needs to be screwed and taken down from a movable sleeve firstly, then a connecting shaft on the tensioning wheel is taken out from the interior of the movable sleeve, and a fixing bolt can be moved out from the interior of a mounting sleeve; by means of the structure, the function of rapid and flexible dismounting and replacing is achieved, the service life of the tensioning device is prolonged, and the problem that dismounting and replacing are not easy is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire drawing, in particular to a tension regulating device for a wire drawing machine. Background Art

[0002] Wire drawing is simply the process of drawing standard parts such as wires or bars of metal products through a wire drawing machine so that the diameter, roundness, internal metallographic structure, surface finish and straightness of the wires or bars meet the raw material processing requirements for the production of standard parts and other metal products. Wire drawing requires the use of tension adjustment equipment to assist in wire drawing.

[0003] After searching, it was found that the common tension adjustment devices currently have the problem that the adjustment wheel is not easy to be quickly replaced during use. During the tension adjustment process, the rollers inside the device often wear out due to long-term friction. Severe wear will affect the tension adjustment effect. Some tension adjustment devices have the problem of high energy consumption and high cost. For example, CN202321879229.8 discloses a tension adjustment device for a wire drawing machine. The above-mentioned tension adjustment device adopts two sets of drive devices to adjust the position of the rollers. Multiple sets of drive devices increase the production cost and energy consumption, and there is a problem of poor adjustment synchronization, which affects the adjustment effect of the tension adjustment.

[0004] There is an urgent need for a tension adjustment device for a wire drawing machine to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The utility model aims to provide a tension regulating device for a wire drawing machine, so as to solve the problem of being difficult to disassemble and replace mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tension adjustment device for a wire drawing machine, comprising a support base, the top of the support base is fixedly connected to a support frame, two sides of the top of the support base are fixedly connected to a fixing plate, one side of the fixing plate is movably connected to an adjusting screw, the outside of the adjusting screw is installed with a screw sleeve, a double-headed motor is installed at the top of the support base, an electric push rod is installed at the top of the support frame, two sides of the bottom of the support frame are fixedly connected to limiting plates, the output end of the electric push rod is fixedly connected to an extension rod, the bottom end of the extension rod is fixedly connected to a connecting block, the bottom end of the connecting block is provided with a fixing block, the front end of the fixing block is movably connected to a supporting wheel, the top of the screw sleeve is provided with a tensioning wheel, and a disassembly and replacement component is provided between the screw sleeve and the tensioning wheel;

[0007] The disassembly and replacement assembly includes an installation sleeve, which is fixedly installed on the top of the screw sleeve, a support rod is installed inside the installation sleeve, one end of the support rod is movably connected to a movable sleeve, one end of the tensioning wheel is fixedly connected to a connecting shaft, fixing bolts are installed on both sides of the installation sleeve, one end of the movable sleeve is provided with a positioning bolt, and a bolt hole is provided inside the connecting shaft.

[0008] Preferably, one end of the connecting shaft is embedded in the movable sleeve, and one end of the positioning bolt is screwed and embedded in the bolt hole.

[0009] Preferably, the bottom end of the support rod is embedded in the interior of the mounting sleeve, and the positioning block is embedded in the interior of the positioning groove.

[0010] Preferably, the bottom end of the support rod is embedded in the interior of the mounting sleeve, and the positioning block is embedded in the interior of the positioning groove.

[0011] Preferably, the output end of the double-headed motor is fixedly connected to one side of the adjusting screw rod.

[0012] Preferably, a limit rod is fixedly connected between the fixing plates on both sides below the adjusting screw rod, and the bottom end of the screw rod sliding sleeve is sleeved on the outside of the limit rod in a sliding connection.

[0013] Preferably, both sides of the connection block are fixedly connected with limiting sliders, and the limiting sliders are sleeved on the outside of the limiting plate in a sliding connection.

[0014] Preferably, two sets of tensioning and telescopic rods are fixedly connected between the connecting block and the fixing block, and the supporting wheel is arranged at a middle position of the bottom end of the supporting frame.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the tension adjustment device for the wire drawing machine not only realizes the function of being easy to disassemble and replace, realizes the function of being easy to adjust stably, but also realizes the function of reducing energy consumption;

[0016] (1) By providing a mounting sleeve, a support rod, a fixing bolt, a connecting shaft, a movable sleeve, a positioning bolt and a bolt hole, the tensioning wheel can be disassembled and replaced after being worn out during long-term use. When replacing, the tensioning wheel can be directly disassembled and removed. When disassembling the tensioning wheel, it is necessary to first screw and remove the positioning bolt from the movable sleeve, and then take out the connecting shaft on the tensioning wheel from the inside of the movable sleeve. The support rod can be directly disassembled and removed. When disassembling, it is only necessary to remove the fixing bolt from the inside of the mounting sleeve, and then remove the support rod to completely replace it. This structure realizes the function of facilitating quick and flexible disassembly and replacement, thereby extending the service life of the tensioning device;

[0017] (2) By providing a fixed plate, a screw sleeve, a double-headed motor, a tensioning wheel, an adjusting screw and a limit rod, the spacing of the tensioning wheels can be flexibly adjusted according to the wire drawing requirements. The left and right movement of the two sets of tensioning wheels can enhance the wire drawing efficiency. The double-headed motor drives the adjusting screw to rotate. The screw sleeve outside the adjusting screw can drive the tensioning wheels to move synchronously to relative positions. The double-headed motor single-group drive device can realize the drive of the two sets of tensioning wheels through the screw. This structure not only improves the synchronization of the drive, but also reduces the energy consumption required for the drive, thereby reducing the processing cost.

[0018] (3) By providing a support wheel, a limit plate, an electric push rod, a tensioning telescopic rod and a limit slider, the position of the support wheel can be adjusted according to the demand for wire drawing tension. The electric push rod can push the support wheel up and down. During the movement of the support wheel, the limit slider can slide on the limit plate to improve the stability of the movement. During the use of the support wheel, the tensioning telescopic rod has an extension and rebound effect of a certain distance, which can avoid the problem of wire breakage caused by excessive tensioning. This structure realizes the functions of flexible adjustment and stable wire drawing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a front view structural diagram of the support wheel of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the side cross-sectional structure of the tensioning wheel of the utility model.

[0023] In the figure: 1. Support base; 2. Fixed plate; 3. Screw sleeve; 4. Double-head motor; 5. Tensioning wheel; 6. Support frame; 7. Support wheel; 8. Limit plate; 9. Electric push rod; 10. Fixed block; 11. Adjusting screw; 12. Limit rod; 13. Tensioning telescopic rod; 14. Limit slider; 15. Extension rod; 16. Connecting block; 17. Mounting sleeve; 18. Support rod; 19. Positioning block; 20. Fixing bolt; 21. Positioning groove; 22. Connecting shaft; 23. Movable sleeve; 24. Positioning bolt; 25. Bolt hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 , a tension adjustment device for a wire drawing machine, comprising a support base 1, a support frame 6 is fixedly connected to the top of the support base 1, fixed plates 2 are fixedly connected to both sides of the top of the support base 1, an adjusting screw 11 is movably connected to one side of the fixing plate 2, a screw sleeve 3 is installed on the outside of the adjusting screw 11, a double-headed motor 4 is installed on the top of the support base 1, an electric push rod 9 is installed on the top of the support frame 6, and limiting plates 8 are fixedly connected to both sides of the bottom end of the support frame 6, an extension rod 15 is fixedly connected to the output end of the electric push rod 9, and a connecting block 16 is fixedly connected to the bottom end of the extension rod 15, a fixing block 10 is arranged at the bottom end of the connecting block 16, and a supporting wheel 7 is movably connected to the front end of the fixing block 10, a tensioning wheel 5 is arranged at the top of the screw sleeve 3, and a disassembly and replacement component is arranged between the top of the tensioning wheel 5 and the screw sleeve 3;

[0026] The disassembly and replacement assembly includes a mounting sleeve 17, which is fixedly mounted on the top of the screw sleeve 3, a support rod 18 is mounted inside the mounting sleeve 17, one end of the support rod 18 is movably connected to a movable sleeve 23, one end of the tensioning wheel 5 is fixedly connected to a connecting shaft 22, fixing bolts 20 are mounted on both sides of the mounting sleeve 17, one end of the movable sleeve 23 is provided with a positioning bolt 24, and a bolt hole 25 is provided inside the connecting shaft 22;

[0027] One end of the connecting shaft 22 is embedded in the movable sleeve 23, one end of the positioning bolt 24 is screwed and embedded in the bolt hole 25, the bottom end of the support rod 18 is embedded in the installation sleeve 17, and the positioning block 19 is embedded in the positioning groove 21. The bottom end of the support rod 18 is embedded in the installation sleeve 17, and the positioning block 19 is embedded in the positioning groove 21.

[0028] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, the tensioning wheel 5 can be disassembled and replaced after being worn out due to long-term use. When replacing, the tensioning wheel 5 can be directly disassembled and removed. When disassembling the tensioning wheel 5, it is necessary to first unscrew the positioning bolt 24 from the movable sleeve 23, and then take out the connecting shaft 22 on the tensioning wheel 5 from the inside of the movable sleeve 23. The support rod 18 can be directly disassembled and removed. When disassembling, just move the fixing bolt 20 out of the inside of the mounting sleeve 17, and then remove the support rod 18 to replace everything.

[0029] Embodiment 2: The output end of the double-headed motor 4 is fixedly connected to one side of the adjusting screw 11, and the limiting rod 12 is fixedly connected between the fixing plates 2 on both sides below the adjusting screw 11, and the bottom end of the screw sleeve 3 is sleeved on the outside of the limiting rod 12 to be slidably connected;

[0030] Specifically, Figure 1 As shown, the spacing between the two groups of tensioning wheels 5 can be adjusted by driving a double-headed motor 4. The left and right movements of the two groups of tensioning wheels 5 can enhance the efficiency of wire pulling. The double-headed motor 4 drives the adjusting screw 11 to rotate. The screw sleeve 3 outside the adjusting screw 11 can drive the tensioning wheels 5 to relative positions synchronously. The single-group driving device of the double-headed motor 4 can realize the driving of the two groups of tensioning wheels 5 through the screw. This structure not only improves the synchronization of the drive, but also reduces the energy consumption required for the drive.

[0031] Embodiment 3: The two sides of the connecting block 16 are fixedly connected with the limit slider 14, the limit slider 14 is sleeved on the outside of the limit plate 8 in a sliding connection, two sets of tensioning and telescopic rods 13 are fixedly connected between the connecting block 16 and the fixed block 10, and the support wheel 7 is arranged at the middle position of the bottom end of the support frame 6;

[0032] Specifically, Figure 1 and Figure 2 As shown, the position of the support wheel 7 can be adjusted according to the demand of wire drawing tension, and the electric push rod 9 can push the support wheel 7 up and down. During the movement of the support wheel 7, the limit slider 14 can slide on the limit plate 8 to improve the stability of the movement. During the use of the support wheel 7, the tensioning telescopic rod 13 has an extension and rebound effect of a certain distance, which can avoid the problem of wire breakage due to excessive tensioning.

[0033] Working principle: When the utility model is in use, the wire needs to be placed on the tensioning wheel 5 and the supporting wheel 7 for tensioning treatment. The position of the supporting wheel 7 can be adjusted according to the demand of wire drawing tension. The electric push rod 9 can push the supporting wheel 7 up and down. The distance between the two sets of tensioning wheels 5 can be adjusted by the double-headed motor 4. The left and right movement of the two sets of tensioning wheels 5 can enhance the efficiency of wire drawing. The double-headed motor 4 drives the adjusting screw rod 11 to rotate. The screw rod sleeve 3 outside the adjusting screw rod 11 can drive the tensioning wheels 5 to move synchronously to the relative position. The single-group driving device of the double-headed motor 4 can realize the driving of the two sets of tensioning wheels 5 through the screw rod. During the use of the support wheel 7, the tensioning and retracting The rod 13 has an extension and rebound effect of a certain distance, which can avoid the problem of wire breakage caused by excessive tensioning. The tensioning wheel 5 can be disassembled and replaced after being worn out due to long-term use. When replacing, the tensioning wheel 5 can be directly disassembled and removed. When disassembling the tensioning wheel 5, it is necessary to first unscrew the positioning bolt 24 from the movable sleeve 23, and then take out the connecting shaft 22 on the tensioning wheel 5 from the inside of the movable sleeve 23. The support rod 18 can be directly disassembled and removed. When disassembling, just move the fixing bolt 20 out of the mounting sleeve 17, and then remove the support rod 18 to replace it. This structure realizes the function of fast and flexible disassembly and replacement, and extends the service life of the tensioning device.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A tension adjustment device for a wire drawing machine, comprising a support base (1), characterized in that: The top of the support base (1) is fixedly connected to a support frame (6), both sides of the top of the support base (1) are fixedly connected to fixed plates (2), one side of the fixed plate (2) is movably connected to an adjusting screw (11), the outside of the adjusting screw (11) is installed with a screw sleeve (3), the top of the support base (1) is installed with a double-headed motor (4), the top of the support frame (6) is installed with an electric push rod (9), both sides of the bottom of the support frame (6) are fixedly connected to limiting plates (8), the output end of the electric push rod (9) is fixedly connected to an extension rod (15), the bottom end of the extension rod (15) is fixedly connected to a connecting block (16), the bottom end of the connecting block (16) is provided with a fixed block (10), the front end of the fixed block (10) is movably connected to a support wheel (7), the top of the screw sleeve (3) is provided with a tensioning wheel (5), and a disassembly component is provided between the screw sleeve (3) and the tensioning wheel (5); The disassembly and replacement assembly comprises a mounting sleeve (17), wherein the mounting sleeve (17) is fixedly mounted on the top end of the screw sleeve (3), a support rod (18) is mounted inside the mounting sleeve (17), one end of the support rod (18) is movably connected to a movable sleeve (23), one end of the tensioning wheel (5) is fixedly connected to a connecting shaft (22), fixing bolts (20) are mounted on both sides of the mounting sleeve (17), one end of the movable sleeve (23) is provided with a positioning bolt (24), and a bolt hole (25) is provided inside the connecting shaft (22).

2. A tension adjustment device for a wire drawing machine according to claim 1, characterized in that: One end of the connecting shaft (22) is embedded in the interior of the movable sleeve (23), and one end of the positioning bolt (24) is screwed and embedded in the interior of the bolt hole (25).

3. A tension adjustment device for a wire drawing machine according to claim 1, characterized in that: A positioning block (19) is fixedly connected to the bottom end of the mounting sleeve (17), a positioning groove (21) is provided at the bottom end of the support rod (18), and one side of the fixing bolt (20) is embedded in the support rod (18).

4. A tension adjustment device for a wire drawing machine according to claim 3, characterized in that: The bottom end of the support rod (18) is embedded in the interior of the mounting sleeve (17), and the positioning block (19) is embedded in the interior of the positioning groove (21).

5. A tension adjustment device for a wire drawing machine according to claim 1, characterized in that: The output end of the double-headed motor (4) is fixedly connected to one side of the adjusting screw rod (11).

6. A tension adjustment device for a wire drawing machine according to claim 1, characterized in that: A limit rod (12) is fixedly connected between the fixing plates (2) on both sides below the adjusting screw rod (11), and the bottom end of the screw rod sliding sleeve (3) is sleeved on the outside of the limit rod (12) in a sliding connection.

7. A tension adjustment device for a wire drawing machine according to claim 1, characterized in that: The two sides of the connection block (16) are fixedly connected to the limit sliders (14), and the limit sliders (14) are sleeved on the outside of the limit plate (8) in a sliding connection.

8. A tension adjustment device for a wire drawing machine according to claim 1, characterized in that: Two sets of tensioning and telescopic rods (13) are fixedly connected between the connecting block (16) and the fixed block (10), and the supporting wheel (7) is arranged at a middle position of the bottom end of the supporting frame (6).

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