Automatic material changing device of lathe

Abstract

The utility model discloses an automatic material changing device of a lathe, which belongs to the technical field of lathes and comprises a lifting component, a supporting plate is mounted below the lifting component, a rotating component is arranged below the supporting plate, an output shaft is mounted below the rotating component, and two connecting components are arranged below the output shaft. Grabbing claw assemblies are installed at the two ends, away from each other, of the two connecting assemblies, the supporting plate is connected with the rotating assembly through a scrap cleaning device, and the output shaft is connected with the two connecting assemblies through a distance adjusting device. Through the arrangement of the chipping cleaning device, chippings and the like on the surface of the grabbing claw assembly can be cleaned to a certain degree through cooperation of a draught fan, an input pipe and other structures when needed, and therefore the possibility that next work is affected by adverse effects is reduced, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lathes, and in particular relates to an automatic material changing device for a lathe. Background Art

[0002] A lathe is a machine tool that mainly uses a turning tool to turn a rotating workpiece. Drills, reamer drills, reamers, taps, dies and knurling tools can also be used on the lathe for corresponding processing.

[0003] Chinese patent application No. 202120530730.8 discloses a device for automatically replacing workpieces for a CNC lathe, including a rotating mechanism, a grabbing mechanism, a feeding mechanism, a rotating tool holder, a discharging mechanism, a clamp, a telescopic rod, a slider and a body. The left end of the body is equipped with a clamp, the right end of the body is equipped with a rotating tool holder, the front baffle of the body is provided with a slide groove, the slider is installed inside the slide groove, the lower left end of the slide groove is provided with a discharging mechanism, the right end of the slide groove is provided with a feeding mechanism, the telescopic rod is installed inside the through hole of the slider, the rear end of the telescopic rod is equipped with a rotating mechanism, and the rear end of the rotating mechanism is equipped with a grabbing mechanism; the device adopts a grabbing mechanism so that the CNC lathe can automatically grab the workpiece and the workpiece to be processed, saving the time for replacing the workpiece, and adopts a rotating mechanism so that the CNC lathe can automatically change the grabbing direction, and the coordinated use of the telescopic rod and the slider increases the grabbing space of the CNC lathe, and the device can be installed on the existing CNC lathe.

[0004] 1. The above-mentioned disclosed patent has the problem that it is inconvenient to clean the debris on the surface of the gripping mechanism when needed, which may easily cause adverse effects on the next work, thereby reducing the practicality of the device; 2. The above-mentioned disclosed patent has the problem that it is impossible to adjust the distance between the two gripping mechanisms when needed, thereby reducing the working capacity of the device. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic material changing device for a lathe, which has the characteristics of high practicality and strong working ability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic material changing device for a lathe, comprising a lifting assembly, a support plate is installed below the lifting assembly, a rotating assembly is arranged below the support plate, an output shaft is installed below the rotating assembly, two connecting assemblies are arranged below the output shaft, grabbing claw assemblies are installed at both ends of the two connecting assemblies that are far away from each other, the support plate and the rotating assembly are connected by a debris cleaning device, and the output shaft and the two connecting assemblies are connected by a distance adjusting device.

[0007] Preferably, the debris cleaning device includes a connecting box, a blocking component, a connecting rod, a fan, an electric telescopic rod, an input pipe and a filter; a connecting box is installed on the side of the rotating component close to the support plate, two connecting rods are installed between the connecting box and the support plate, two filters are arranged on the inner side of the connecting box, the connecting box and the two filters are connected by the electric telescopic rod, an input pipe is installed at the bottom of the filter and below the electric telescopic rod, fans are installed above the connecting box and on both sides of the two connecting rods, and a blocking component is installed on the connecting box and between the two connecting rods.

[0008] Preferably, the blocking assembly comprises a blocking block, and the blocking block is threadedly mounted on the connecting box and located between the two connecting rods.

[0009] Preferably, the blocking assembly further comprises an observation window, and the observation window is installed on the inner side of the blocking block.

[0010] Preferably, the distance adjustment device includes a connecting box, a motor, a movable plate and a bidirectional screw. The connecting box is installed on the outside of the output shaft and above the two connecting components. The motor is installed on one side of the bottom of the connecting box. The bidirectional screw is installed on the side of the motor close to the connecting box. The movable plate is installed above the connecting component and located on the outside of the bidirectional screw and on the inside of the bottom of the connecting box.

[0011] Preferably, the width of the inner side of the bottom of the connection box is equal to the width of the outer side of the movable plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a debris cleaning device, so that the device can clean the debris on the surface of the grab claw assembly through the cooperation of the fan and the input pipe when necessary, thereby reducing the possibility of the next work being adversely affected, thereby improving the practicality of the device.

[0014] 2. The utility model provides a distance adjustment device so that the device can adjust the distance between the two grab claw assemblies to a certain extent through the cooperation of structures such as a moving plate and a bidirectional screw rod when necessary, thereby better meeting the working needs in different situations and improving the working capacity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a three-dimensional cutaway view of the utility model;

[0017] Figure 3 It is a three-dimensional cutaway view of the debris cleaning device of the utility model;

[0018] Figure 4 It is a three-dimensional cutaway view of the distance adjustment device of the utility model.

[0019] In the figure: 1. lifting assembly; 2. debris cleaning device; 21. connection box; 22. blocking assembly; 221. observation window; 222. blocking block; 23. connecting rod; 24. fan; 25. electric telescopic rod; 26. input pipe; 27. filter; 3. rotating assembly; 4. output shaft; 5. connection assembly; 6. grab claw assembly; 7. distance adjustment device; 71. connection box; 72. motor; 73. moving plate; 74. bidirectional screw rod; 8. support plate. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: an automatic material changing device for a lathe, comprising a lifting assembly 1, a support plate 8 is installed below the lifting assembly 1, a rotating assembly 3 is arranged below the support plate 8, an output shaft 4 is installed below the rotating assembly 3, two connecting assemblies 5 are arranged below the output shaft 4, grabbing claw assemblies 6 are installed at both ends of the two connecting assemblies 5 that are far away from each other, the support plate 8 and the rotating assembly 3 are connected by a debris cleaning device 2, and the output shaft 4 and the two connecting assemblies 5 are connected by a distance adjusting device 7.

[0023] Specifically, the debris cleaning device 2 includes a connecting box 21, a blocking component 22, a connecting rod 23, a fan 24, an electric telescopic rod 25, an input pipe 26 and a filter 27. A connecting box 21 is installed on the side of the rotating component 3 close to the support plate 8. Two connecting rods 23 are installed between the connecting box 21 and the support plate 8. Two filters 27 are arranged on the inner side of the connecting box 21. The connecting box 21 and the two filters 27 are connected by the electric telescopic rod 25. The input pipe 26 is installed at the bottom of the filter 27 and below the electric telescopic rod 25. Fans 24 are installed above the connecting box 21 and on both sides of the two connecting rods 23. A blocking component 22 is installed on the connecting box 21 and between the two connecting rods 23.

[0024] By adopting the above technical solution, the device can clean the debris on the surface of the grab claw assembly 6 through the cooperation of the fan 24 and the input pipe 26 when necessary, thereby reducing the possibility of adverse effects on the next work.

[0025] Specifically, the blocking assembly 22 includes a blocking block 222 , and the blocking block 222 is threadedly mounted on the connection box 21 and located between the two connection rods 23 .

[0026] By adopting the above technical solution, the staff can unscrew the blocking block 222 when necessary, and then take out the debris and the like between the two filter screens 27, thereby reducing the difficulty of removing the debris and the like, and further reducing the labor burden of the staff.

[0027] Specifically, the blocking assembly 22 further includes an observation window 221 , and the observation window 221 is installed on the inner side of the blocking block 222 .

[0028] By adopting the above technical solution, the staff can observe the situation between the two filter screens 27 through the observation window 221 when necessary, thereby reducing possible inconveniences and better meeting the needs of the staff.

[0029] When the present embodiment is used, when the lathe needs to use the device, the staff installs the lifting assembly 1 at the corresponding position of the lathe, and operates the lifting assembly 1 to adjust the height of the support plate 8 and the two grab claw assemblies 6, and then the staff starts the two fans 24 in the debris cleaning device 2. Under the action of the two fans 24, the debris and the like on the two grab claw assemblies 6 are sucked into the two input pipes 26, and then enter the position between the two filter screens 27 in the connection box 21. The debris and the like are blocked by the two filter screens 27 and remain between the two filter screens 27. The staff can start the two electric telescopic rods 25 to adjust the positions of the two filter screens 27 and the input pipes 26 thereon, so as to clean different positions on the grab claw assembly 6. It should be noted that the filter screens 2 7 can only be moved below the air inlet ends of the two fans 24, and the air inlet ends of the fans 24 cannot be connected to the area between the two filters 27. After cleaning, turn off the two fans 24, and the staff manipulates the two connecting components 5 to drive the two grabbing claw components 6 to grab the materials. When it is necessary to change the materials, the staff manipulates the rotating component 3 to drive the output shaft 4 and other structures to rotate, and then swap the positions of the two materials to perform the material change. The staff can unscrew the blocking block 222 in the blocking component 22 when necessary, and then take out the debris and other objects between the two filters 27, and the staff can observe the situation between the two filters 27 through the observation window 221, and the connecting rod 23 plays a role in connecting and fixing.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the distance adjustment device 7 includes a connecting box 71, a motor 72, a movable plate 73 and a bidirectional screw 74, the connecting box 71 is installed on the outside of the output shaft 4 and above the two connecting components 5, the motor 72 is installed on one side of the bottom of the connecting box 71, the bidirectional screw 74 is installed on the side of the motor 72 close to the connecting box 71, and the movable plate 73 is installed above the connecting component 5 and on the outside of the bidirectional screw 74 and on the inside of the bottom of the connecting box 71.

[0032] By adopting the above technical solution, the device can adjust the distance between the two grab claw assemblies 6 to a certain extent through the cooperation of structures such as the moving plate 73 and the two-way screw rod 74 when necessary, so as to better meet the working needs in different situations.

[0033] Specifically, the width of the inner side of the bottom of the connection box 71 is equal to the width of the outer side of the movable plate 73 .

[0034] By adopting the above technical solution, it is ensured that the inner side of the bottom of the connection box 71 and the outer side of the movable plate 73 can be closely attached to each other, thereby preventing the movable plate 73 from rotating and deviating during the movement, thereby ensuring the normal operation.

[0035] When this embodiment is in use, when it is necessary to adjust the distance between the two grabbing claw assemblies 6, the staff can start the motor 72 in the distance adjustment device 7, thereby driving the bidirectional screw rod 74 to rotate. The bidirectional screw rod 74 is threadedly connected to the two movable plates 73, and the movable plates 73 are close to the connecting box 71, so the bidirectional screw rod 74 drives the two connecting assemblies 5 to move, thereby adjusting the distance between the two grabbing claw assemblies 6 to better meet the work needs in different situations.

[0036] The structure and principle of the lifting assembly 1 composed of a telescopic rod, a second pressurizing chamber, an outer telescopic tube, a second air inlet and an inner telescopic tube, a rotating assembly 3 composed of a motor chamber and a first motor, an output shaft 4 and a structure thereon, a connecting assembly 5 composed of a first pressurizing chamber, a first air inlet, a sliding rod and a sliding tube, and a grabbing claw assembly 6 composed of a tightening rod, a connecting hinge and a grabbing claw in the utility model have been disclosed in a CNC lathe automatic replacement of workpieces disclosed in Chinese patent application No. 202120530730.8. The working principle is that when a rotating tool holder equipped with a tool is mounted on a workpiece installed in a fixture, When the workpiece processing is completed, the rotary tool holder returns to the starting point, and the feeding mechanism drives the first rotating roller, the second rotating roller, the third rotating roller and the fourth rotating roller to rotate through the motor, thereby driving the conveyor belt to move, and the workpiece to be processed on the conveyor belt is transmitted to the CNC lathe. The slider moves in the slide groove toward the feeding mechanism, driving the telescopic rod installed in the through hole of the slider to move to the right, and the second air inlet hole begins to inject gas, and the gas enters the second pressurized chamber. The pressure increases, pushing the inner telescopic tube to move backward, driving the rotating mechanism and the grabbing mechanism to move. When the grabbing mechanism moves to the feeding mechanism, the first air inlet on the right side starts to transport gas, and the gas enters the right The pressure in the first pressurizing chamber on the side increases, and the right side pushes the sliding rod to slide backward, driving the right tightening rod to expand outward, and the right tightening rod pushes the right connecting hinge, and the right connecting hinge drives the right grabbing claw to open and grab the workpiece to be processed, and the right first air inlet extracts gas, and the right grabbing claw closes and clamps the workpiece to be processed. The slider moves to the left, driving the grabbing mechanism to move left to the processed workpiece, and the left first air inlet starts to inject gas, so that the left grabbing claw opens and grabs the workpiece, the left first air inlet extracts gas, the left grabbing claw clamps the workpiece, and the fixture releases the workpiece, and the slider drives the grabbing mechanism to move right for a distance distance, the first motor drives the output shaft to rotate half a circle, drives the grabbing mechanism to rotate half a circle, the slider drives the grabbing mechanism to move to the left, extends the workpiece to be processed into the fixture, the fixture is tightened and clamps the workpiece to be processed, gas is injected into the first air inlet, the grabbing claw opens, the slider drives the grabbing mechanism to move to the right, the second air inlet extracts gas, the inner telescopic tube contracts inward, the first motor drives the output shaft to rotate half a circle, the output shaft cooperates with the key and the sliding tube to drive the grabbing mechanism to rotate half a circle, the first air inlet on the left starts to inject gas, the grabbing claw on the left opens, the workpiece falls into the discharging mechanism, and slides to the transfer container along the discharging slide to complete the replacement.

[0037] The working principle and use process of the utility model are as follows: when the lathe needs to use the device, the staff installs the lifting assembly 1 at the corresponding position of the lathe, and operates the lifting assembly 1 to adjust the height of the support plate 8 and the two grab claw assemblies 6, and then the staff starts the two fans 24 in the debris cleaning device 2. Under the action of the two fans 24, the debris and the like on the two grab claw assemblies 6 are sucked into the two input pipes 26, and then enter the position between the two filter screens 27 in the connecting box 21. The debris and the like are blocked by the two filter screens 27 and remain between the two filter screens 27. The staff can start the two electric telescopic rods 25 to adjust the positions of the two filter screens 27 and the input pipes 26 thereon, so as to clean different positions on the grab claw assembly 6. It should be noted that the filter screen 27 can only be moved to the position below the air inlet ends of the two fans 24, and the air inlet end of the fan 24 must not be connected to the area between the two filters 27. After the cleaning is completed, the two fans 24 are turned off, and the staff operates The two vertical connecting components 5 drive the two grabbing claw components 6 to grab the materials. When the materials need to be changed, the staff operates the rotating component 3 to drive the output shaft 4 and other structures to rotate, and then swap the positions of the two materials, so as to carry out the material change work. The staff can unscrew the blocking block 222 in the blocking component 22 when necessary, and then take out the debris and other objects between the two filter screens 27, and the staff can observe the situation between the two filter screens 27 through the observation window 221, and the connecting rod 23 plays a role of connecting and fixing; when it is necessary to adjust the distance between the two grabbing claw components 6, the staff can start the motor 72 in the distance adjustment device 7, thereby driving the bidirectional screw rod 74 to rotate. The bidirectional screw rod 74 is threadedly connected to the two moving plates 73, and the moving plates 73 are close to the connecting box 71, so the bidirectional screw rod 74 drives the two connecting components 5 to move, and then adjusts the distance between the two grabbing claw components 6 to better meet the work needs in different situations.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic material changing device for a lathe, comprising a lifting assembly, characterized in that: A support plate is installed below the lifting assembly, a rotating assembly is arranged below the support plate, an output shaft is installed below the rotating assembly, two connecting assemblies are arranged below the output shaft, grab claw assemblies are installed at both ends of the two connecting assemblies away from each other, the support plate and the rotating assembly are connected by a debris cleaning device, and the output shaft and the two connecting assemblies are connected by a distance adjusting device.

2. The automatic material changing device for a lathe according to claim 1, characterized in that: The debris cleaning device includes a connecting box, a blocking component, a connecting rod, a fan, an electric telescopic rod, an input pipe and a filter. A connecting box is installed on the side of the rotating component close to the support plate, two connecting rods are installed between the connecting box and the support plate, two filters are arranged on the inner side of the connecting box, the connecting box and the two filters are connected by an electric telescopic rod, an input pipe is installed at the bottom of the filter and below the electric telescopic rod, fans are installed above the connecting box and on both sides of the two connecting rods, and a blocking component is installed on the connecting box and between the two connecting rods.

3. The automatic material changing device for a lathe according to claim 2, characterized in that: The blocking assembly comprises a blocking block, which is threadedly mounted on the connection box and located between the two connection rods.

4. The automatic material changing device for a lathe according to claim 3, characterized in that: The blocking assembly also includes an observation window, and the observation window is installed on the inner side of the blocking block.

5. The automatic material changing device for a lathe according to claim 1, characterized in that: The distance adjustment device includes a connecting box, a motor, a movable plate and a bidirectional screw. The connecting box is installed on the outside of the output shaft and above the two connecting components. The motor is installed on one side of the bottom of the connecting box. The bidirectional screw is installed on the side of the motor close to the connecting box. The movable plate is installed above the connecting component and located on the outside of the bidirectional screw and on the inside of the bottom of the connecting box.

6. The automatic material changing device for a lathe according to claim 5, characterized in that: The width of the inner side of the bottom of the connection box is equal to the width of the outer side of the movable plate.

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