Clamp rotary table

Abstract

The utility model discloses a fixture rotary table, which relates to the technical field of mechanical production equipment and comprises a bearing table and a rotary table movably arranged at the upper end of the bearing table. Two first electric cylinders are arranged above the rotating disc, the lower ends of telescopic rods of the first electric cylinders are fixedly connected with fixing columns, and the lower ends of the fixing columns are fixedly connected to the upper end of the rotating disc. According to the rotary table, a cylinder is placed on the inner wall of the lower end of a first U-shaped block, then a second electric cylinder is started, a telescopic rod of the second electric cylinder is used for ejecting the cylinder on the inner wall of the first U-shaped block out in the direction where a fixed column is located, and the cylinder can be ejected into clamping jaws on two clamping jaw air cylinders; and then the two clamping jaw air cylinders are started, the clamping jaws on the clamping jaw air cylinders are used for grabbing the cylinder, the cylinder can be rapidly clamped, then the position of the cylinder can be rapidly changed through rotation of the rotary disc, and therefore the cylinder can be conveniently and rapidly fed to the proper position.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical production equipment, in particular to a fixture turntable. Background Art

[0002] The fixture turntable is a commonly used equipment in mechanical processing, mainly used for fixing and converting workpieces during lathe processing. It is usually composed of a circular turntable and multiple fixtures, which can realize the rapid conversion of workpieces between different processing positions, thereby improving processing efficiency and precision. The driving modes of the fixture turntable include electric, pneumatic, hydraulic, etc. The turntable is rotated by a rotating cylinder or other rotatable mechanism, and the clamping mechanism on the turntable can be quickly rotated to a specified point to clamp the object. However, when the fixture turntable in the prior art is used, it is usually not convenient to quickly load cylindrical materials and it is not convenient to laser engrave specific positions on the outer wall of the cylinder, which needs further improvement.

[0003] At present, the utility model with patent number CN202120747580.6 discloses a turntable fixture, including a fixed seat and a clamping assembly. A U-shaped groove extending axially along the fixed seat is provided in the middle of the fixed seat, and the clamping assembly is suspended in the U-shaped groove. The two sides of the clamping assembly are rotatably connected with the middle of the opposite surface of the fixed seat through a pin shaft, and the clamping assembly can rotate 360 ​​degrees relative to the fixed seat around the pin shaft. A accommodating cavity is provided in the middle of the clamping assembly. When working, the control assembly to be tested is assembled in this fixture and can be in a horizontal state and a vertical state. Using a single-axis turntable, the pitch, yaw, and roll states of the missile during flight can be simulated, that is, the test of internal sensors can be realized without disassembling the sensors from the inside of the product, simplifying the repair procedure and shortening the repair cycle. However, when the fixture turntable in the prior art is used, it is usually not convenient to quickly load cylindrical materials and it is not convenient to laser engrave specific positions on the outer wall of the cylinder. Utility Model Content

[0004] The purpose of the utility model is to provide a fixture turntable, which solves the technical problem that the fixture turntable in the prior art mentioned above is usually not convenient for quickly loading cylindrical materials and not convenient for laser engraving specific positions on the outer wall of the cylinder when in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp turntable, comprising a bearing platform and a turntable movably arranged on the upper end of the bearing platform; two first electric cylinders are arranged above the turntable, the lower end of the telescopic rod of the first electric cylinder is fixedly connected to a fixing column, the lower end of the fixing column is fixedly connected to the upper end of the turntable, the first electric cylinder is fixedly connected to a connecting frame, and the lower end of the connecting frame is fixedly connected to two clamping claw cylinders, the upper end of the bearing platform is fixedly connected to a supporting block symmetrical about the center of the upper end of the bearing platform, the supporting block is fixedly connected to a second electric cylinder, the telescopic rod of the second electric cylinder penetrates the supporting block and approaches the position of the fixing column, the end of the supporting block close to the fixing column is fixedly connected to a first U-shaped block, the lower half of the first U-shaped block is one-half of a cylinder, the inner wall of the lower half of the first U-shaped block is in contact with the lower part of the outer wall of the telescopic rod of the second electric cylinder, the two clamping claw cylinders are arranged correspondingly, and the clamping claws on the two clamping claw cylinders correspond to the inner wall of the first U-shaped block.

[0006] Preferably, when loading is required, the cylinder is placed on the inner wall of the lower end of the first U-shaped block, and then the second electric cylinder is turned on and the telescopic rod of the second electric cylinder is used to push the cylinder on the inner wall of the first U-shaped block toward the direction of the fixed column. The cylinder will be pushed into the claws on the two clamping cylinders, and then the two clamping cylinders are turned on and the claws on the clamping cylinders are used to grab the cylinder, so that the cylinder can be quickly clamped, and then the position of the cylinder can be quickly changed by utilizing the rotatable turntable, thereby facilitating the rapid loading of the cylinder to the appropriate position, thereby solving the problem that the fixture turntable in the prior art is usually not convenient for rapid loading of cylindrical materials when in use.

[0007] Preferably, the two fixed columns are symmetrically distributed about the upper center of the turntable, and the line connecting the centers of the two fixed columns and the line connecting the centers of the two support blocks are in the same straight line. The two fixed columns are symmetrically distributed about the upper center of the turntable to facilitate simultaneous loading of two cylinders.

[0008] Preferably, the upper end of the supporting platform is fixedly connected with limit blocks evenly distributed about the center point of the upper end surface of the supporting platform, and the limit blocks are divided into four. The end of the limit block close to the center of the upper end of the supporting platform is an arc surface and fits with the outer wall of the turntable. The setting of the four limit blocks can limit the turntable, thereby improving the stability of the turntable when it rotates.

[0009] Preferably, a first groove is opened at one end of the supporting platform, a first supporting block is fixedly connected to the inner wall of the other end of the supporting platform, a servo motor is fixedly connected to the upper end of the first supporting block, and the upper end of the output shaft of the servo motor passes through the supporting platform and is fixedly connected to the lower end of the turntable. When the turntable needs to rotate, turning on the servo motor can drive the turntable to rotate.

[0010] Preferably, the upper end of the turntable is fixedly connected to four third electric cylinders and a first fixed plate that are symmetrically distributed about the center point of the upper end of the turntable, the upper end of the telescopic rod of the third electric cylinder is fixedly connected to a second U-shaped block, the inner wall of the second U-shaped block and the inner wall of the first U-shaped block are in the same plane, the end of the first fixed plate close to the third electric cylinder is fixedly connected to a second bearing block, the upper end of the second bearing block is fixedly connected to a fourth electric cylinder, and the lower end of the telescopic rod of the fourth electric cylinder passes through the second bearing block and is fixedly connected to a pressing block. When it is necessary to press down and fix the cylinder, the fourth electric cylinder is turned on to make the pressing block move downward, so that the cylinder can be quickly pressed down and fixed to the inner wall of the second U-shaped block. Since the first fixed plate can block one end of the cylinder, when the cylinder is sent into the inner wall of the second U-shaped block until one end of the cylinder is in contact with the end of the first fixed plate close to the second U-shaped block, the cylinder exposed outside the second U-shaped block is a distance of a specific length, and the cylinder at the exposed part can be processed without re-adjustment.

[0011] Preferably, the upper end of the turntable is fixedly connected to a second fixed plate which is symmetrical about the center of the upper end surface of the turntable, the upper end of the second fixed plate is fixedly connected to a limiting plate which is symmetrical about the center of the upper end of the second fixed plate, a fifth electric cylinder is fixedly connected between the two limiting plates, an outer wall of the telescopic rod of the fifth electric cylinder is provided with an external thread layer, an internal thread barrel is threadedly installed on the outer wall of the telescopic rod of the fifth electric cylinder, a laser engraving machine is movably arranged between the two limiting plates, one end of the laser engraving machine close to the external thread layer is fixedly connected to a threaded column, the outer wall of the threaded column is threadedly installed on the inner wall of the internal thread barrel, the threaded column is threadedly installed on the inner wall of the internal thread barrel, and at the same time, the inner wall of the internal thread barrel is threadedly connected to the external thread layer, the position of the laser engraving machine can be adjusted by opening the fifth electric cylinder, so that the laser engraving machine can be quickly adjusted to a suitable position to perform laser engraving processing on the cylinder above it.

[0012] Compared with the related art, the fixture turntable provided by the utility model has the following beneficial effects:

[0013] 1. The utility model provides a fixture turntable, which places a cylinder on the inner wall of the lower end of a first U-shaped block, then turns on the second electric cylinder and uses the telescopic rod of the second electric cylinder to push the cylinder on the inner wall of the first U-shaped block toward the direction where the fixed column is located, and the cylinder is pushed into the clamping claws on the two clamping claw cylinders, and then turns on the two clamping claw cylinders to grab the cylinder with the clamping claws on the clamping claw cylinders, so that the cylinder can be quickly clamped, and then the position of the cylinder can be quickly changed by using the rotatable turntable, so as to facilitate the rapid loading of the cylinder to a suitable position, thereby solving the problem that the fixture turntable in the prior art is usually inconvenient for rapid loading of cylindrical materials when in use;

[0014] 2. By turning on the fourth electric cylinder to move the pressing block downward, the cylinder can be quickly pressed down and fixed on the inner wall of the second U-shaped block. Since the first fixing plate can block one end of the cylinder, when the cylinder is sent into the inner wall of the second U-shaped block until one end of the cylinder fits with the end of the first fixing plate close to the second U-shaped block, the cylinder exposed outside the second U-shaped block is a specific length. The cylinder at the exposed position can be processed without re-adjustment, so that the outer wall of the cylinder at the exposed position can be laser engraved, which solves the problem that it is inconvenient to laser engrave a specific position on the outer wall of the cylinder when the fixture turntable is in use;

[0015] 3. Install the threaded column on the inner wall of the internal threaded barrel, and make the inner wall of the internal threaded barrel connected with the external threaded layer. Then, the position of the laser engraving machine can be adjusted by opening the fifth electric cylinder, so that the laser engraving machine can be quickly adjusted to the appropriate position to perform laser engraving on the cylinder above it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the servo motor of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the first fixing plate of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional disassembled structure of the fifth electric cylinder, the internal threaded barrel and the threaded column of the utility model.

[0020] In the figure: 1. supporting platform; 2. turntable; 3. first electric cylinder; 4. fixed column; 5. connecting frame; 6. clamping cylinder; 7. supporting block; 8. second electric cylinder; 9. first U-shaped block; 10. limiting block; 11. first trough; 12. first supporting block; 13. servo motor; 14. third electric cylinder; 15. second U-shaped block; 16. first fixed plate; 17. second supporting block; 18. fourth electric cylinder; 19. pressing block; 20. second fixed plate; 21. limiting plate; 22. fifth electric cylinder; 23. external thread layer; 24. internal thread barrel; 25. laser engraving machine; 26. threaded column. DETAILED DESCRIPTION

[0021] Embodiment 1:

[0022] See also Figure 1-3The utility model provides a technical solution, including a carrying platform 1 and a turntable 2 movably arranged on the upper end of the carrying platform 1; two first electric cylinders 3 are arranged above the turntable 2, the lower end of the telescopic rod of the first electric cylinder 3 is fixedly connected to a fixed column 4, the lower end of the fixed column 4 is fixedly connected to the upper end of the turntable 2, the first electric cylinder 3 is fixedly connected to a connecting frame 5, the lower end of the connecting frame 5 is fixedly connected to two clamping claw cylinders 6, the upper end of the carrying platform 1 is fixedly connected to a supporting block 7 symmetrical about the center of the upper end of the carrying platform 1, the supporting block 7 is fixedly connected to a second electric cylinder 8, the telescopic rod of the second electric cylinder 8 penetrates the supporting block 7 and approaches the position of the fixed column 4, and the end of the supporting block 7 close to the fixed column 4 is fixedly connected to a first U-shaped block 9. The lower half of the first U-shaped block 9 is one-half of the cylinder, and the inner wall of the lower half of the first U-shaped block 9 fits with the lower outer wall of the telescopic rod of the second electric cylinder 8. The two clamping cylinders 6 are arranged correspondingly, and the clamping claws on the two clamping cylinders 6 correspond to the inner wall of the first U-shaped block 9. The two fixed columns 4 are symmetrically distributed about the upper end center of the turntable 2. The connecting line of the centers of the two fixed columns 4 and the connecting line of the centers of the two support blocks 7 are in the same straight line. The upper end of the supporting platform 1 is fixedly connected with limit blocks 10 evenly distributed about the center point of the upper end surface of the supporting platform 1. The limit blocks 10 are divided into four. The end of the limit block 10 close to the center of the upper end of the supporting platform 1 is an arc surface and fits with the outer wall of the turntable 2.

[0023] See also Figure 2 In this embodiment, a first groove 11 is opened at one end of the supporting platform 1, and a first supporting block 12 is fixedly connected to the inner wall of the other end of the supporting platform 1. A servo motor 13 is fixedly connected to the upper end of the first supporting block 12, and the upper end of the output shaft of the servo motor 13 passes through the supporting platform 1 and is fixedly connected to the lower end of the turntable 2.

[0024] See also Figure 3 In this embodiment, the upper end of the turntable 2 is fixedly connected to four third electric cylinders 14 and a first fixed plate 16 which are symmetrically distributed about the center point of the upper end of the turntable 2, the upper end of the telescopic rod of the third electric cylinder 14 is fixedly connected to the second U-shaped block 15, the inner wall of the second U-shaped block 15 and the inner wall of the first U-shaped block 9 are in the same plane, the end of the first fixed plate 16 close to the third electric cylinder 14 is fixedly connected to the second bearing block 17, the upper end of the second bearing block 17 is fixedly connected to the fourth electric cylinder 18, and the lower end of the telescopic rod of the fourth electric cylinder 18 passes through the second bearing block 17 and is fixedly connected to the pressing block 19.

[0025] In this embodiment: when in use, the cylinder is placed on the inner wall of the lower end of the first U-shaped block 9, and then the second electric cylinder 8 is turned on to use the telescopic rod of the second electric cylinder 8 to push the cylinder on the inner wall of the first U-shaped block 9 toward the direction of the fixed column 4, and the cylinder will be pushed into the clamping claws on the two clamping claw cylinders 6, and then the two clamping claw cylinders 6 are turned on to use the clamping claws on the clamping claw cylinders 6 to grab the cylinder, so that the cylinder can be quickly clamped, and then the servo motor 13 can be turned on to drive the turntable 2 to rotate. The position of the cylinder can be quickly changed by using the rotatable turntable 2, so as to facilitate the cylinder The body is quickly fed to a suitable position. When the cylinder needs to be pressed down and fixed, the fourth electric cylinder 18 is turned on to make the pressing block 19 move downward, so that the cylinder can be quickly pressed down and fixed on the inner wall of the second U-shaped block 15. Since the first fixing plate 16 can block one end of the cylinder, when the cylinder is fed into the inner wall of the second U-shaped block 15 until one end of the cylinder fits with the end of the first fixing plate 16 close to the second U-shaped block 15, the cylinder exposed outside the second U-shaped block 15 is a specific length. The cylinder at the exposed position can be processed without re-adjustment.

[0026] Embodiment 2:

[0027] See also Figure 4 On the basis of the first embodiment, the utility model provides a technical solution: the upper end of the turntable 2 is fixedly connected to a second fixed plate 20 which is symmetrical about the center of the upper end surface of the turntable 2, the upper end of the second fixed plate 20 is fixedly connected to a limiting plate 21 which is symmetrical about the center of the upper end of the second fixed plate 20, a fifth electric cylinder 22 is fixedly connected between the two limiting plates 21, an outer wall of the telescopic rod of the fifth electric cylinder 22 is provided with an external thread layer 23, an inner thread tube 24 is threadedly installed on the outer wall of the telescopic rod of the fifth electric cylinder 22, a laser engraving machine 25 is movably arranged between the two limiting plates 21, and a threaded column 26 is fixedly connected to one end of the laser engraving machine 25 close to the external thread layer 23, and the outer wall of the threaded column 26 is threadedly installed on the inner wall of the inner thread tube 24.

[0028] In this embodiment: the threaded column 26 is threadedly installed on the inner wall of the internal threaded tube 24, and the inner wall of the internal threaded tube 24 is threadedly connected to the external thread layer 23. The position of the laser engraving machine 25 can be adjusted by opening the fifth electric cylinder 22, so that the laser engraving machine 25 can be quickly adjusted to a suitable position to perform laser engraving processing on the cylinder above it.

[0029] Working principle: first place the cylinder on the inner wall of the lower end of the first U-shaped block 9, then turn on the second electric cylinder 8 and use the telescopic rod of the second electric cylinder 8 to push the cylinder on the inner wall of the first U-shaped block 9 toward the direction of the fixed column 4, and the cylinder will be pushed into the clamping claws on the two clamping claw cylinders 6, and then turn on the two clamping claw cylinders 6 to grab the cylinder with the clamping claws on the clamping claw cylinders 6, so that the cylinder can be quickly clamped;

[0030] Next, the servo motor 13 is turned on to drive the turntable 2 to rotate. The position of the cylinder can be quickly changed by utilizing the rotatable turntable 2, so that the position of the cylinder can be quickly rotated ninety degrees. At this time, the third electric cylinder 14 is turned on again to move the second U-shaped block 15 upward, so that the inner wall of the lower end of the second U-shaped block 15 fits with the lower part of the outer wall of the cylinder rotated ninety degrees. The fourth electric cylinder 18 is turned on again to move the pressing block 19 downward, so that the cylinder can be quickly pressed down and fixed on the inner wall of the second U-shaped block 15. Since the first fixing plate 16 can block one end of the cylinder, when the cylinder is sent into the inner wall of the second U-shaped block 15 until one end of the cylinder fits with one end of the first fixing plate 16 close to the second U-shaped block 15, the cylinder exposed outside the second U-shaped block 15 is a specific length. The cylinder at the exposed position can be processed without re-adjustment.

[0031] The threaded column 26 is threadedly installed on the inner wall of the internal threaded tube 24, and the inner wall of the internal threaded tube 24 is threadedly connected to the external threaded layer 23. Finally, the position of the laser engraving machine 25 is adjusted by opening the fifth electric cylinder 22, so that the laser engraving machine 25 can be quickly adjusted to a suitable position. When the laser engraving machine 25 is turned on, laser engraving can be performed on the cylinder above it.

Claims

1. A fixture turntable, comprising a bearing platform (1) and a turntable (2) movably arranged on the upper end of the bearing platform (1); characterized in that: Two first electric cylinders (3) are arranged above the turntable (2); the lower end of the telescopic rod of the first electric cylinder (3) is fixedly connected to a fixing column (4); the lower end of the fixing column (4) is fixedly connected to the upper end of the turntable (2); a connecting frame (5) is fixedly connected to the first electric cylinder (3); the lower end of the connecting frame (5) is fixedly connected to two clamping cylinders (6); the upper end of the bearing platform (1) is fixedly connected to a supporting block (7) symmetrical with respect to the center of the upper end of the bearing platform (1); the supporting block (7) is fixedly connected to a second electric cylinder (8); The telescopic rod of the second electric cylinder (8) passes through the support block (7) and approaches the position of the fixed column (4); a first U-shaped block (9) is fixedly connected to one end of the support block (7) close to the fixed column (4); the lower half of the first U-shaped block (9) is one-half of a cylinder; the inner wall of the lower half of the first U-shaped block (9) fits the lower part of the outer wall of the telescopic rod of the second electric cylinder (8); the two clamping claw cylinders (6) are arranged correspondingly; the clamping claws on the two clamping claw cylinders (6) correspond to the inner wall of the first U-shaped block (9).

2. The fixture turntable according to claim 1, characterized in that: The two fixed columns (4) are symmetrically distributed about the center of the upper end of the turntable (2), and the line connecting the centers of the two fixed columns (4) and the line connecting the centers of the two support blocks (7) are in the same straight line.

3. The fixture turntable according to claim 1, characterized in that: The upper end of the support platform (1) is fixedly connected to a limit block (10) evenly distributed about the center point of the upper end surface of the support platform (1), and the limit blocks (10) are divided into four. One end of the limit block (10) close to the center of the upper end of the support platform (1) is an arc surface and fits with the outer wall of the turntable (2).

4. The fixture turntable according to claim 1, characterized in that: A first groove (11) is provided at one end of the support platform (1), a first support block (12) is fixedly connected to the inner wall of the other end of the support platform (1), a servo motor (13) is fixedly connected to the upper end of the first support block (12), and the upper end of the output shaft of the servo motor (13) passes through the support platform (1) and is fixedly connected to the lower end of the turntable (2).

5. The fixture turntable according to claim 1, characterized in that: The upper end of the turntable (2) is fixedly connected to four third electric cylinders (14) and a first fixed plate (16) which are centrally symmetrically distributed about the center point of the upper end of the turntable (2); the upper end of the telescopic rod of the third electric cylinder (14) is fixedly connected to a second U-shaped block (15); the inner wall of the second U-shaped block (15) and the inner wall of the first U-shaped block (9) are in the same plane; the end of the first fixed plate (16) close to the third electric cylinder (14) is fixedly connected to a second bearing block (17); the upper end of the second bearing block (17) is fixedly connected to a fourth electric cylinder (18); the lower end of the telescopic rod of the fourth electric cylinder (18) passes through the second bearing block (17) and is fixedly connected to a pressing block (19).

6. The fixture turntable according to claim 1, characterized in that: The upper end of the turntable (2) is fixedly connected to a second fixing plate (20) which is symmetrical about the center of the upper end surface of the turntable (2); the upper end of the second fixing plate (20) is fixedly connected to a limiting plate (21) which is symmetrical about the center of the upper end of the second fixing plate (20); a fifth electric cylinder (22) is fixedly connected between the two limiting plates (21); an outer wall of the telescopic rod of the fifth electric cylinder (22) is provided with an outer thread layer (23); an inner thread barrel (24) is threadedly mounted on the outer wall of the telescopic rod of the fifth electric cylinder (22); a laser engraving machine (25) is movably arranged between the two limiting plates (21); a threaded column (26) is fixedly connected to one end of the laser engraving machine (25) close to the outer thread layer (23); the outer wall of the threaded column (26) is threadedly mounted on the inner wall of the inner thread barrel (24).

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