Automatic feeding and discharging mechanism of lathe

Abstract

The utility model provides an automatic feeding and discharging mechanism of a lathe, which comprises a bearing frame arranged on the lathe and is characterized by further comprising a moving assembly arranged on the bearing frame, a clamping assembly connected with the moving assembly and a rotating assembly used for rotating a workpiece. The clamping assembly comprises a first rotating air cylinder connected with the moving assembly, a connecting block arranged at the output end of the first rotating air cylinder, a first clamping jaw and a second clamping jaw, wherein the first clamping jaw and the second clamping jaw are arranged on the connecting block, and a workpiece is clamped on the first clamping jaw and the second clamping jaw. According to the automatic feeding and discharging mechanism of the lathe, switching of feeding and discharging of different workpieces on the lathe chuck is rapidly achieved, the idle waiting time of the lathe is shortened, the feeding and discharging efficiency of the workpieces on the lathe is improved, the first clamping jaw and the second clamping jaw are each provided with a photoelectric sensor used for detecting the clamping state of the workpieces, and the clamping jaw is convenient to operate. And the clamping jaw I and the clamping jaw II clamp the workpiece more stably and reliably, so that the machining efficiency of the workpiece is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely relates to a lathe automatic feeding and discharging mechanism. BACKGROUND

[0002] With the continuous improvement of the degree of automation of manufacturing industry, the feeding and discharging operation in the lathe processing field is gradually transformed from traditional manual operation to intelligent equipment, in the prior art, the lathe automatic feeding and discharging mechanism mostly adopts single mechanical arm cooperation conveying belt mode to carry out feeding and discharging operation to workpiece, the workpiece to be processed is transported on the conveying belt, the workpiece to be processed is clamped and transported to the lathe by the mechanical arm, then the first process is carried out in turn after fixing, then the mechanical arm resets, after the workpiece is processed, the workpiece is taken down, then the workpiece is clamped and transported to the lathe to carry out the second process, and the processing of a workpiece is completed in turn.

[0003] After the traditional single clamping jaw mechanical arm structure completes the transportation feeding of the first workpiece, it needs to wait in turn after the workpiece is processed to carry out the transportation feeding, then the transportation feeding of the next workpiece can be carried out, leading to that the idle waiting time of the lathe in the processing cycle is long, the working efficiency of the existing feeding and discharging device is low, and it is difficult to meet the demand of high-efficiency operation of the lathe, and the present scheme solves the technical problem. UTILITARIAN CONTENT

[0004] In view of the defects of the prior art, the utility model provides a lathe automatic feeding and discharging mechanism, two workpieces are clamped and transported by clamping jaw one and clamping jaw two simultaneously, clamping jaw one and clamping jaw two are driven to rotate along the rotary cylinder one by the rotary cylinder one on the clamping assembly, the conversion of feeding and discharging of different workpieces on the lathe chuck is realized quickly, the idle waiting time of the lathe is reduced, the feeding and discharging efficiency of the workpiece on the lathe is improved, and the photoelectric sensor for detecting the workpiece clamping state is arranged on clamping jaw one and clamping jaw two, so that the clamping of the workpiece by clamping jaw one and clamping jaw two is more stable and reliable, thereby improving the processing efficiency of the workpiece.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a lathe automatic feeding and discharging mechanism, including the load carrier arranged on the lathe, characterized by further comprising a moving assembly arranged on the load carrier, a clamping assembly connected with the moving assembly, a rotating assembly for rotating the workpiece, the clamping assembly comprising a rotary cylinder one connected with the moving assembly, a connecting block arranged on the output end of the rotary cylinder one, clamping jaw one and clamping jaw two arranged on the connecting block respectively, and the workpiece is clamped on the clamping jaw one and the clamping jaw two.

[0006] The moving assembly comprises a horizontal drive unit arranged on the load carrier and a vertical drive unit connected with the horizontal drive unit, and the rotary cylinder one is connected with the vertical drive unit.

[0007] The bearing frame is provided with two guide rails I, the transverse driving unit comprises slidingly arranged sliders I on the guide rails I respectively, a bearing plate I connected with the sliders I on one side, the bearing frame is provided with a rack I parallel to the guide rails I, the bearing plate I is provided with a motor I, the output end of the motor I is provided with a gear I, the gear I is engaged with the rack I, and the vertical driving unit is arranged on the other side of the bearing plate I.

[0008] The bearing plate I is provided with two guide rails II, the vertical driving unit comprises slidingly arranged sliders II on the guide rails II respectively, a bearing plate II connected with the sliders II on one side, the bearing plate I is provided with a rack II parallel to the guide rails II, the bearing plate II is provided with a motor II, the output end of the motor II is provided with a gear II, the gear II is engaged with the rack II, and a connecting rod is vertically arranged on the bearing plate II, and the rotary cylinder I is arranged on the connecting rod.

[0009] The connecting block is provided with a mounting surface I for mounting the clamping jaw I, a mounting surface II for mounting the clamping jaw II, and a mounting surface III for connecting with the output end of the rotary cylinder I, the included angle between the mounting surface I and the mounting surface II is 90 degrees, the included angle between the mounting surface I and the mounting surface III is 45 degrees, and the included angle between the mounting surface II and the mounting surface III is 45 degrees.

[0010] Supporting tables are extended on the mounting surface I and the mounting surface II, and the clamping jaw I and the clamping jaw II are mounted on the supporting tables.

[0011] The end of the connecting rod is provided with a wedge-shaped block, the rotary cylinder I is arranged on the wedge-shaped block, and the output shaft axis of the rotary cylinder I is at an angle of 45 degrees with the plane.

[0012] The rotating assembly comprises a rotary cylinder II arranged at the side of the lathe and a pneumatic finger connected with the output end of the rotary cylinder II.

[0013] The clamping jaw I and the clamping jaw II are pneumatic clamping jaws.

[0014] Photoelectric sensors for detecting the clamping state of workpieces are arranged on the clamping jaw I and the clamping jaw II.

[0015] The motor I and the motor II are servo motors.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) the two workpieces are clamped and transported through the clamping jaw one and the clamping jaw two, the clamping jaw one and the clamping jaw two are driven along the rotary cylinder one to rotate through the rotary cylinder one on the clamping assembly, the feeding and discharging conversion of different workpieces on the lathe chuck is quickly realized, the idle waiting time of the lathe is reduced, the feeding and discharging efficiency of the workpiece on the lathe is improved, and the photoelectric sensor for detecting the clamping state of the workpiece is arranged on the clamping jaw one and the clamping jaw two, so that the clamping of the clamping jaw one and the clamping jaw two on the workpiece is more stable and reliable, thereby improving the machining efficiency of the workpiece.

[0018] (2) the horizontal driving unit moves horizontally along the bearing frame through the driving of the motor one in the moving assembly, the vertical driving unit moves vertically along the bearing plate one through the motor two, and the driving clamping assembly is driven to clamp and transport the workpiece, the operation of the clamping assembly is stable and reliable, and the motor one and the motor two are both servo motors, so that the movement precision of the clamping assembly is better.

[0019] (3) the connecting block is provided with the mounting surface one for mounting the clamping jaw one and the mounting surface two for mounting the clamping jaw two, and the supporting table extends from the mounting surface one and the mounting surface two, the clamping jaw one and the clamping jaw two are mounted on the supporting table, the clamping jaw one and the clamping jaw two are mounted and fixed through the supporting table, the clamping jaw one and the clamping jaw two are stably and reliably fixed, the volume of the connecting block is smaller, so that the movement of the clamping assembly is more flexible and reliable, and the conveying efficiency of the workpiece is higher. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the combined structure diagram of the moving assembly and the clamping assembly of the utility model;

[0021] Figure 2 is the structure exploded view of the moving assembly of the utility model;

[0022] Figure 3 is the structure diagram of the clamping assembly of the utility model;

[0023] Figure 4 is the structure exploded view of the clamping assembly of the utility model;

[0024] Figure 5 is the structure diagram of the connecting block of the utility model Figure 1 ;

[0025] Figure 6 is the structure diagram of the connecting block of the utility model Figure 2 ;

[0026] Figure 7 is the structure diagram of the rotating assembly of the utility model Figure 2 .

[0027] Wherein, in the figure: 1, bearing frame; 11, guide rail one; 12, rack one; 2, moving assembly; 21, transverse drive unit; 211, slider one; 212, bearing plate one; 213, motor one; 214, gear one; 215, guide rail two; 216, rack two; 22, vertical drive unit; 221, slider two; 222, bearing plate two; 223, motor two; 224, gear two; 225, connecting rod; 3, clamping assembly; 31, rotary cylinder one; 32, connecting block; 321, mounting surface one; 322, mounting surface two; 323, mounting surface three; 324, support table; 33, clamping jaw one; 34, clamping jaw two; 4, wedge block; 5, photoelectric sensor; 6, rotating assembly; 61 rotary cylinder two; 62, pneumatic finger. DETAILED DESCRIPTION

[0028] In order to make the technical features of the scheme clearer, the following through specific embodiments, the scheme is described.

[0029] Reference Figures 1-7 A lathe automatic feeding and discharging mechanism, comprising a bearing frame 1 arranged on the lathe, a moving assembly 2 arranged on the bearing frame 1, a clamping assembly 3 connected with the moving assembly 2, and a rotating assembly 6 for rotating the workpiece, the clamping assembly 3 comprising a rotary cylinder one 31 connected with the moving assembly 2, a connecting block 32 arranged on the output end of the rotary cylinder one 31, and a clamping jaw one 33 and a clamping jaw two 34 arranged on the connecting block 32 respectively, the clamping jaw one 33 and the clamping jaw two 34 clamping the workpiece;

[0030] The rotating assembly 6 adjusts the direction of the workpiece, the clamping assembly 3 places the workpiece machined in the first process on the rotating assembly 6 to adjust the angle of the workpiece, and then clamps the workpiece to the lathe for machining in the second process through the clamping assembly 3.

[0031] The moving assembly 2 comprises a transverse drive unit 21 arranged on the bearing frame 1 and a vertical drive unit 22 connected with the transverse drive unit 21, and the rotary cylinder one 31 is connected with the vertical drive unit 22.

[0032] The bearing frame 1 is provided with two guide rails one 11, the transverse drive unit 21 comprises a slider one 211 slidingly arranged on the guide rail one 11 and a bearing plate one 212 connected with one side of the slider one 211, the bearing frame 1 is provided with a rack one 12 parallel to the guide rail one 11, the bearing plate one 212 is provided with a motor one 213, the output end of the motor one 213 is provided with a gear one 214, the gear one 214 is engaged with the rack one 12, and the vertical drive unit 22 is connected with the other side of the bearing plate one 212.

[0033] The bearing plate one 212 is provided with two guide rails two 215, the vertical driving unit 22 comprises slidingly arranged sliding blocks two 221 on the guide rails two 215 respectively, a bearing plate two 222 connected with the sliding blocks two 221, the bearing plate one 212 is provided with a rack two 216 parallel with the guide rails two 215, the bearing plate two 222 is provided with a motor two 223, the output end of the motor two 223 is provided with a gear two 224, the gear two 224 is engaged with the rack two 216, the bearing plate two 222 is vertically provided with a connecting rod 225, and the rotary cylinder one 31 is arranged on the connecting rod 225.

[0034] The connecting block 32 is provided with a mounting surface one 321 for mounting the clamping jaw one 33, a mounting surface two 322 for mounting the clamping jaw two 34, and a mounting surface three 323 for connecting with the output end of the rotary cylinder one 31, the included angle between the mounting surface one 321 and the mounting surface two 322 is 90 degrees, the included angle between the mounting surface one 321 and the mounting surface three 323 is 45 degrees, and the included angle between the mounting surface two 322 and the mounting surface three 323 is 45 degrees.

[0035] The mounting surface one 321 and the mounting surface two 322 are all extended with support tables 324, and the clamping jaw one 33 and the clamping jaw two 34 are all mounted on the support tables 324.

[0036] The end of the connecting rod 225 is provided with a wedge-shaped block 4, the rotary cylinder one 31 is arranged on the wedge-shaped block 4, and the output shaft axis of the rotary cylinder one 31 is at an angle of 45 degrees with the plane.

[0037] The rotating assembly 6 comprises a rotary cylinder two 61 arranged at the side position of the lathe, and a pneumatic finger 62 connected with the output end of the rotary cylinder two 61, the workpiece is clamped firmly by the pneumatic finger 62, then the workpiece is rotated by a specific angle through the rotation of the rotary cylinder two 61, then the workpiece is clamped by the clamping jaw one 33 or the clamping jaw two 34, and then is conveyed to the lathe for the second process of the workpiece.

[0038] The rotary cylinder two 61 is fixed on the side position of the lathe through a support, and is located between the first process and the second process of the workpiece in the lathe, so that the transfer operation of the clamping assembly 3 on the workpiece is facilitated.

[0039] The clamping jaw one 33 and the clamping jaw two 34 are both pneumatic clamping jaws.

[0040] The clamping jaw one 33 and the clamping jaw two 34 are both provided with photoelectric sensors 5 for detecting the clamping state of the workpiece.

[0041] The motor one 213 and the motor two 223 are both servo motors.

[0042] The specific working process of the utility model is as follows:

[0043] The carrier frame 1 is installed in the position above the machine tool, the gear 1 214 is driven by the motor 1 213 to move along the rack 1 2, so that the slider 1 211 of the carrier plate slides along the rack 1 2, until the vertical driving unit 22 on the carrier plate drives the clamping assembly 3 to move to the position of the workpiece to be machined, the vertical driving unit 22 is started, the motor 2 223 of the vertical driving unit 22 drives the gear 2 224 to engage with the rack 2 216, so that the slider 2 221 on the carrier plate 2 222 slides along the guide rail 2 215, the carrier plate 2 222 drives the clamping assembly 3 to descend to the workpiece position through the connecting rod 225, see Figure 3 At this time, a workpiece to be machined is clamped by the clamping jaw 2 34, the clamping state of the workpiece is detected by the photoelectric sensor 5 to avoid missing or misplacement, then the vertical driving unit 22 and the horizontal driving unit 21 are started in turn, the workpiece to be machined on the clamping jaw 2 34 is transported to the position above the lathe, the vertical driving unit 22 is started to move the clamping assembly 3 downward to the position of the lathe, the clamping jaw 2 34 releases the workpiece to be machined to the clamping jaw of the chuck of the lathe, the clamping jaw of the lathe clamps the workpiece, after the workpiece is clamped, the clamping assembly 3 moves to the safe position, and the lathe starts to process the first workpiece in the first process.

[0044] In the process of lathe machining, the moving assembly 2 drives the clamping jaw 2 34 of the clamping assembly 3 to return to the area of the workpiece to be machined, and clamps the second workpiece to be machined in sequence, when the lathe finishes processing the first workpiece, the rotary cylinder 1 31 is started to rotate 90 degrees, the clamping assembly 3 is moved to the position of the lathe by the moving assembly 2, the first workpiece processed in the first process is clamped by the clamping jaw 1 33, then the rotary cylinder 1 31 is rotated by 90 degrees, the second workpiece is placed on the clamping jaw of the chuck by the clamping jaw 2 34, and the lathe processes the second workpiece in the first process;

[0045] Then the clamping jaw 1 33 of the clamping assembly 3 moves the workpiece processed in the first process to the pneumatic finger 62 of the rotating assembly 6, the pneumatic finger 62 clamps the workpiece, and rotates the workpiece by a specific angle through the rotary cylinder 2 61, then the workpiece is clamped into the lathe by the clamping jaw 1 33 for processing in the second process.

[0046] Then the clamping jaw 1 33 returns to the area of the workpiece to be machined to clamp the third workpiece, the rotary cylinder 1 31 is rotated by 90 degrees, the second workpiece processed in the first process is clamped by the clamping jaw 2 34, and the third workpiece is replaced by the clamping jaw 1 33, finally the second workpiece processed in the first process is placed on the rotating assembly 6 by the clamping jaw 2 34 to adjust the direction, and then the second workpiece is transported to the lathe by the clamping jaw 2 34 for processing in the second process, so as to form a circulating work flow of workpiece feeding, unloading and processing.

[0047] As a supplement, the clamping and movement steps of the clamping assembly 3 are as follows:

[0048] 1. The first jaw 33 and the second jaw 34 are in an idle state;

[0049] 2. The second jaw 34 clamps the first workpiece, and the first jaw 33 is in an idle state;

[0050] 3. The second jaw 34 delivers the first workpiece to the chuck of the lathe, and the lathe starts to process the first workpiece;

[0051] 4. The clamping assembly 3 returns to the workpiece processing area;

[0052] 5. The second jaw 34 clamps the second workpiece;

[0053] 6. The clamping assembly 3 moves to the lathe, the first workpiece that has been processed by the first jaw 33 is removed, and the second workpiece is placed on the chuck of the lathe by the second jaw 34;

[0054] 7. The first jaw 33 delivers the first workpiece to the rotating assembly 6;

[0055] 8. The first jaw 33 releases the first workpiece and clamps it with the pneumatic finger 62, and rotates 180 degrees through the rotating cylinder 61;

[0056] 9. The first jaw 33 clamps the first workpiece again with the pneumatic finger 62;

[0057] 10. The first jaw 33 delivers the second workpiece to the second workpiece processing area of the lathe for processing;

[0058] 11. The first jaw 33 moves to the workpiece processing area and clamps the third workpiece;

[0059] 12. The first jaw 33 enters the first workpiece processing area of the lathe;

[0060] 13. The second jaw 34 removes the second workpiece that has completed the first process of the lathe;

[0061] 14. The first jaw 33 releases the third workpiece to the first workpiece processing area of the lathe for processing;

[0062] 15. The second jaw 34 clamps the second workpiece to the rotating assembly 6 for rotation, completing the cycle of workpiece feeding and processing.

[0063] The two workpieces are simultaneously clamped and transported by the clamping jaw one 33 and the clamping jaw two 34, the clamping jaw one 33 and the clamping jaw two 34 are driven to rotate along the rotary cylinder one 31 by the rotary cylinder one 31 on the clamping assembly 3, the feeding and discharging conversion of different workpieces on the lathe chuck is quickly realized, the idle waiting time of the lathe is reduced, the feeding and discharging efficiency of the workpieces on the lathe is improved, and the photoelectric sensor 5 for detecting the clamping state of the workpiece is arranged on the clamping jaw one 33 and the clamping jaw two 34, so that the clamping of the clamping jaw one 33 and the clamping jaw two 34 on the workpiece is more stable and reliable, thereby improving the machining efficiency of the workpiece.

[0064] The motor one 213 in the moving assembly 2 is driven to drive the transverse driving unit 21 to move transversely along the bearing frame 1, the motor two 223 drives the vertical driving unit 22 to move vertically along the bearing plate one 212, and the driving clamping assembly 3 is driven to clamp and transport the workpiece, the clamping assembly 3 is stable and reliable in operation, and the motor one 213 and the motor two 223 are both servo motors, so that the movement precision of the clamping assembly 3 is better.

[0065] The connecting block 32 is provided with the mounting surface one 321 for mounting the clamping jaw one 33 and the mounting surface two 322 for mounting the clamping jaw two 34, the mounting surface one 321 and the mounting surface two 322 are both extended with the support table 324, the clamping jaw one 33 and the clamping jaw two 34 are both mounted on the support table 324, the clamping jaw one 33 and the clamping jaw two 34 are mounted and fixed by the support table 324, the clamping jaw one 33 and the clamping jaw two 34 are stably and reliably fixed, the connecting block 32 is more compact in size, so that the movement of the clamping assembly 3 is more flexible and reliable, and the conveying efficiency of the workpiece is higher.

[0066] The technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here, of course, the above description is not a limitation of the utility model, the utility model is also not limited to the above examples, the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. An automatic loading and unloading mechanism for a lathe, comprising a support frame (1) mounted on the lathe, characterized in that, It also includes a moving component (2) disposed on the support frame (1), a clamping component (3) connected to the moving component (2), and a rotating component (6) for rotating the workpiece. The clamping component (3) includes a first rotary cylinder (31) connected to the moving component (2), a connecting block (32) disposed at the output end of the first rotary cylinder (31), a first clamping jaw (33) and a second clamping jaw (34) respectively disposed on the connecting block (32), and the workpiece is clamped on the first clamping jaw (33) and the second clamping jaw (34). The moving component (2) includes a lateral drive unit (21) disposed on the support frame (1) and a vertical drive unit (22) connected to the lateral drive unit (21), and the rotary cylinder (31) is connected to the vertical drive unit (22).

2. The automatic loading and unloading mechanism for lathes according to claim 1, characterized in that, The support frame (1) is provided with two guide rails (11). The horizontal drive unit (21) includes a slider (211) that is slidably disposed on the guide rail (11) and a support plate (212) connected to the slider (211) on one side. The support frame (1) is provided with a rack (12) that is parallel to the guide rail (11). The support plate (212) is provided with a motor (213). The output end of the motor (213) is provided with a gear (214). The gear (214) meshes with the rack (12). The vertical drive unit (22) is on the other side of the support plate (212).

3. The automatic loading and unloading mechanism for lathes according to claim 2, characterized in that, The first support plate (212) is provided with two guide rails (215). The vertical drive unit (22) includes a slider (221) that is slidably disposed on the guide rails (215) and a support plate (222) connected to the slider (221) on one side. The first support plate (212) is provided with a rack (216) that is parallel to the guide rails (215). The second support plate (222) is provided with a motor (223). The output end of the motor (223) is provided with a gear (224). The gear (224) meshes with the rack (216). The second support plate (222) is provided with a connecting rod (225) vertically. The first rotary cylinder (31) is disposed on the connecting rod (225).

4. The automatic loading and unloading mechanism for lathes according to claim 3, characterized in that, The connecting block (32) is provided with a mounting surface 1 (321) for mounting the first gripper (33), a mounting surface 2 (322) for mounting the second gripper (34), and a mounting surface 3 (323) for connecting to the output end of the first rotary cylinder (31). The angle between the mounting surface 1 (321) and the mounting surface 2 (322) is 90 degrees, the angle between the mounting surface 1 (321) and the mounting surface 3 (323) is 45 degrees, and the angle between the mounting surface 2 (322) and the mounting surface 3 (323) is 45 degrees.

5. The automatic loading and unloading mechanism for lathes according to claim 4, characterized in that, Support platforms (324) extend from both mounting surface one (321) and mounting surface two (322), and grippers one (33) and grippers two (34) are mounted on the support platforms (324).

6. The automatic loading and unloading mechanism for lathes according to claim 5, characterized in that, The end of the connecting rod (225) is provided with a wedge block (4), and the first rotary cylinder (31) is provided on the wedge block (4). The output shaft axis of the first rotary cylinder (31) is at a 45-degree angle to the plane.

7. The automatic loading and unloading mechanism for lathes according to claim 1, characterized in that, The rotating assembly (6) includes a second rotary cylinder (61) located on the side of the lathe and a pneumatic finger (62) connected to the output end of the second rotary cylinder (61).

8. The automatic loading and unloading mechanism for lathes according to claim 4, characterized in that, Both the first gripper (33) and the second gripper (34) are pneumatic grippers.

9. The automatic loading and unloading mechanism for a lathe according to claim 8, characterized in that, Both the first gripper (33) and the second gripper (34) are equipped with photoelectric sensors (5) for detecting the workpiece clamping status.

10. The automatic loading and unloading mechanism for a lathe according to claim 3, characterized in that, Both motor one (213) and motor two (223) are servo motors.

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