Clamp for metal product manufacturing
By designing a fixture consisting of a workbench, a cylinder, and a rotating clamp, the problem of the workpiece easily falling after being loosened is solved, a more stable workpiece unloading and clamping process is achieved, and processing efficiency and safety are improved.
Patent Information
- Application Number
- CN202422925763.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the prior art, after the pneumatic clamp is released, the workpiece is likely to fall from the robotic arm, causing damage.
A clamp was designed, including a workbench, a cylinder, a first clamp, a slide, a second clamp and a carrying mechanism. The cylinder drives the connecting arm to rotate the second clamp, thereby increasing the contact area between the robotic arm and the workpiece and improving the friction.
It effectively prevents the workpiece from falling from the robotic arm, improves the efficiency of workpiece unloading and clamping, and reduces the risk of workpiece damage.
Smart Images
Figure CN223455856U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal processing field especially, it is a kind of clamp for metal product manufacturing. BACKGROUND
[0002] When the metal parts are processed, first need to utilize clamp to hold the workpiece to be processed, the position of workpiece is positioned, workpiece is also fixed on workbench, then workpiece is processed into the structure of part again.
[0003] In order to improve the processing efficiency of workpiece, most CNC processing equipment is replaced by automatic clamping device to manually clamp workpiece;Automatic clamping device includes pneumatic clamp and mechanical arm, pneumatic clamp releases clamping jaw, after mechanical arm clamps workpiece and is placed between two pneumatic clamping jaws of pneumatic clamp, two pneumatic clamping jaws clamp workpiece, pneumatic clamp releases after workpiece completes processing, and mechanical arm clamps workpiece after processing away from pneumatic clamp, complete automatic clamping and unload workpiece.
[0004] After workpiece completes processing, (reference Figure 6 )Pneumatic clamp 7 releases the clamping of workpiece 6, but one of pneumatic clamping jaw 71 still contacts workpiece, and mechanical arm can only clamp the part of workpiece higher than pneumatic clamping jaw, so that the area of workpiece clamped by mechanical arm is insufficient, and workpiece is easy to fall off from mechanical arm, leading to workpiece damage. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of clamp for metal product manufacturing, can let external mechanical arm more easily clamp workpiece on clamp.
[0006] The utility model discloses a kind of clamp for metal product manufacturing, and the technical scheme adopted is:
[0007] Including workbench and cylinder, the first clamping jaw is equipped on the workbench, the travel mechanism is equipped on the workbench, the sliding plate is slidably connected on the workbench, the sliding plate is slidably connected with travel mechanism, the first clamping jaw is above the sliding plate, the second clamping jaw is rotatably connected on the sliding plate, the bearing mechanism is fixedly connected on the sliding plate, the bearing mechanism is between the first clamping jaw and the second clamping jaw, the workpiece is placed on the bearing mechanism, the cylinder is fixedly connected with the sliding plate, the output shaft of the cylinder is rotatably connected with the link arm, the link arm is rotatably connected with the second clamping jaw.
[0008] As preferred scheme, the first guide rail is equipped on the cylinder, the guide plate is fixedly connected on the output shaft of the cylinder, and the guide plate is slidably connected with the first guide rail.
[0009] As a preferred scheme, the bearing mechanism comprises a bearing table and a carrier plate, a double-threaded screw rod is rotationally connected to the bearing table, two symmetrical adjusting blocks are slidingly connected to the double-threaded screw rod, a first inclined surface is formed in the adjusting block, and two second inclined surfaces are formed in the bottom of the carrier plate.
[0010] As a preferred scheme, a second guide rail is arranged on the bearing table and is parallel to the double-threaded screw rod, and the adjusting block is slidingly connected to the second guide rail.
[0011] As a preferred scheme, a third guide rail is arranged on the first inclined surface, and a sliding groove is formed in the second inclined surface, and the third guide rail is slidingly connected into the sliding groove.
[0012] As a preferred scheme, the advancing mechanism is two, and the two advancing mechanisms are respectively arranged on the two sides of the sliding plate.
[0013] As a preferred scheme, the advancing mechanism comprises an advancing support and an advancing motor, the advancing support is fixedly connected to the workbench, an advancing screw rod is rotationally connected to the advancing support, the advancing motor is fixedly connected to the advancing support, an output shaft of the advancing motor is fixedly connected to one end of the advancing screw rod, and the sliding plate is slidingly connected to the advancing screw rod.
[0014] As a preferred scheme, a fourth guide rail is arranged on the workbench and is parallel to the advancing screw rod, and the sliding plate is slidingly connected to the fourth guide rail.
[0015] The clamp for manufacturing metal products has the beneficial effects that:
[0016] When the workpiece is finished machining, the advancing mechanism drives the sliding plate to slide on the workbench by a certain distance, so that the workpiece placed on the bearing mechanism is away from the first clamping jaw, so that a certain distance exists between the workpiece and the first clamping jaw, the output shaft of the cylinder pushes the connecting arm, the connecting arm pulls the second clamping jaw to rotate by a certain angle on the sliding plate and then away from the workpiece, so that a certain distance exists between the second clamping jaw and the workpiece; when the external mechanical arm unloads the finished workpiece, one jaw of the mechanical arm can extend into the space between the workpiece and the first clamping jaw, and the other jaw of the mechanical arm can extend into the space between the workpiece and the second clamping jaw, so that the contact area between the two jaws of the mechanical arm and the workpiece is increased, the friction force is improved, and the workpiece is prevented from falling off the mechanical arm. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of the clamp for manufacturing metal products.
[0018] Figure 2 is a structural schematic view of the sliding plate and the cylinder of the clamp for manufacturing metal products.
[0019] Figure 3 is a schematic view of a bearing mechanism structure of the clamp for metal product manufacturing.
[0020] Figure 4 is a schematic view of a workpiece clamping structure of the clamp for metal product manufacturing.
[0021] Figure 5 is a schematic view of a workpiece loosening structure of the clamp for metal product manufacturing.
[0022] Figure 6 is a schematic view of a pneumatic clamp in the background art of the clamp for metal product manufacturing (the arrow is the moving direction of the pneumatic clamp jaw). DETAILED DESCRIPTION
[0023] The utility model will be further described and explained in combination with specific embodiments and the drawings of the specification:
[0024] Please refer to Figure 1 and Figure 2 .
[0025] The utility model discloses a clamp for metal product manufacturing for clamping workpiece 6.
[0026] Including workbench 1 and cylinder 4.
[0027] Workbench 1 is equipped with first clamp jaw 11, and the first clamp jaw 11 is preferably a portal shape in the embodiment, both ends of the first clamp jaw 11 are fixedly connected with the top of workbench 1, and the middle part of the first clamp jaw 11 is in contact with workpiece 6.
[0028] Workbench 1 is equipped with travel mechanism 2, and the travel mechanism 2 is preferably two in the embodiment, and the two travel mechanisms 2 are located in the first clamp jaw 11 of portal shape; travel mechanism 2 includes travel bracket and travel motor 21, the travel bracket is fixedly connected with the top of workbench 1, and the travel bracket is rotationally connected with travel screw rod 211; travel motor 21 is fixedly connected with the travel bracket, and the output shaft of travel motor 21 is fixedly connected with one end of travel screw rod 211, the output shaft of travel motor 21 drives travel screw rod 211 to rotate forward or reverse, and the travel screw rods 211 of the two travel mechanisms 2 run synchronously in the same rotation direction.
[0029] Further, workbench 1 is equipped with fourth guide rail 12, and the fourth guide rail 12 is preferably two in the embodiment, and the two fourth guide rails 12 are parallel to each other; the fourth guide rail 12 is parallel to travel screw rod 211, and the fourth guide rail 12 is located between the two travel mechanisms 2.
[0030] The top of the workbench 1 is slidably connected with a sliding plate 3, and the sliding plate 3 is slidably connected with the traveling mechanism 2;
[0031] Further, the bottom of the sliding plate 3 is slidably connected with the fourth guide rail 12, and the two traveling mechanisms 2 are respectively located on the two sides of the sliding plate 3, the sliding plate 3 is slidably connected with the traveling screw rod 211, and the middle part of the first clamping jaw 11 is located above the sliding plate 3; the output shaft of the traveling motor 21 drives the traveling screw rod 211 to rotate forward or reversely, and the traveling screw rod 211 drives the sliding plate 3 to slide forward or reversely on the fourth guide rail 12.
[0032] Please refer to Figures 1-3 .
[0033] A sinking groove is formed in the sliding plate 3, and the air cylinder 4 is fixedly connected with the sinking groove of the sliding plate 3; the air cylinder 4 is hidden in the sliding plate 3 through the sinking groove, so that the height of the device is reduced; the air cylinder 4 is provided with a first guide rail 41, the first guide rail 41 is parallel to the output shaft of the air cylinder 4, the output shaft of the air cylinder 4 is fixedly connected with a guide plate 42, the guide plate 42 is slidably connected with the first guide rail 41, the first guide rail 41 controls the extension direction of the output shaft of the air cylinder 4 through the guide plate 42, and the rigidity of the output shaft of the air cylinder 4 is also improved; the output shaft of the air cylinder 4 is rotatably connected with a connecting arm 43.
[0034] The top of the sliding plate 3 is rotatably connected with a second clamping jaw 31, and the second clamping jaw 31 is preferably in the shape of a portal in the embodiment; the two ends of the second clamping jaw 31 are rotatably connected with the top of the sliding plate 3, the middle part of the second clamping jaw 31 is in contact with the workpiece 6, and the air cylinder 4 is located below the middle part of the second clamping jaw 31; the connecting arm 43 is rotatably connected with the second clamping jaw 31.
[0035] The output shaft of the air cylinder 4 drives the connecting arm 43 to rotate by a certain angle on the output shaft of the air cylinder 4, the connecting arm 43 drives the second clamping jaw 31 to rotate by a certain angle on the sliding plate 3, so that an acute angle is formed between the top of the second clamping jaw 31 and the top of the sliding plate 3; the output shaft of the air cylinder 4 drives the connecting arm 43 to reset, so that the connecting arm 43 rotates by a certain angle on the output shaft of the air cylinder 4, the connecting arm 43 drives the second clamping jaw 31 to rotate by a certain angle on the sliding plate 3, so that a right angle is formed between the top of the second clamping jaw 31 and the top of the sliding plate 3, and the top of the first clamping jaw 11 is level with the top of the second clamping jaw 31.
[0036] The sliding plate 3 is fixedly connected with a bearing mechanism 5, and the bearing mechanism 5 is located between the first clamping jaw 11 and the second clamping jaw 31; the workpiece 6 is placed on the bearing mechanism 5.
[0037] Further, the bearing mechanism 5 comprises a bearing table 51 and a carrier plate 53; the two sides of the bearing table 51 are fixedly connected with the edges of the two sides of the sink, so that the bearing table 51 is located above the air cylinder 4; the double-threaded screw rod 511 is rotatably connected on the bearing table 51, and the two threads on the double-threaded screw rod 511 are preferably left-handed threads and right-handed threads respectively; two symmetrical adjusting blocks 52 are slidably connected on the two threads of the double-threaded screw rod 511 respectively, and a first inclined surface is formed on the adjusting block 52, and the inclination angle of the first inclined surface is preferably 45°, and the two first inclined surfaces are close to each other; two second inclined surfaces are formed on the bottom of the carrier plate 53, and the two second inclined surfaces are close to the two ends of the carrier plate 53 respectively, and the first inclined surface is in contact with the second inclined surface; the workpiece 6 is placed on the carrier plate 53;
[0038] Further, the bearing table 51 is provided with a second guide rail 512, the second guide rail 512 is parallel to the double-threaded screw rod 511, the adjusting block 52 is slidably connected with the second guide rail 512, the second guide rail 512 can control the sliding direction of the adjusting block 52, and the second guide rail 512 can reduce the downward pressure of the adjusting block 52 on the double-threaded screw rod 511;
[0039] Further, a third guide rail is extended on the first inclined surface, the third guide rail is parallel to the double-threaded screw rod 511; a sliding groove is formed on the second inclined surface, the third guide rail is slidably connected in the sliding groove, the adjusting block 52 controls the sliding direction of the bearing table 51 through the third guide rail, so as to avoid the bearing table 51 from sliding off from one side of the adjusting block 52;
[0040] By rotating the double-threaded screw rod 511 in the forward direction or the reverse direction, the double-threaded screw rod 511 drives the two adjusting blocks 52 to move close to or away from each other, so that the carrier plate 53 slides up or slides down on the first inclined surface of the two adjusting blocks 52, thereby adjusting the height of the workpiece 6 extending from between the first clamping jaw 11 and the second clamping jaw 31.
[0041] Please refer to Figures 1-5 .
[0042] When the workpiece 6 is finished machining, the advancing mechanism 2 drives the sliding plate 3 to slide on the workbench 1 through the forward rotation of the advancing screw rod 211, so that the second clamping jaw 31 moves away from the first clamping jaw 11, and after the workpiece 6 moves away from the first clamping jaw 11, the workpiece 6 and the first clamping jaw 11 are spaced apart by a certain width; the air cylinder 4 drives the connecting arm 43, the connecting arm 43 pulls the second clamping jaw 31 to rotate on the sliding plate 3, so that after the second clamping jaw 31 moves away from the workpiece 6, the second clamping jaw 31 and the workpiece 6 are spaced apart by a certain width;
[0043] When the external mechanical arm unloads the finished workpiece 6, one of the hands of the mechanical arm can extend between the workpiece 6 and the first clamping jaw 11, and the other hand of the mechanical arm can extend between the workpiece 6 and the second clamping jaw 31, so as to increase the contact area of the two hands of the mechanical arm with the workpiece 6 and improve the friction force, and the external mechanical arm clamps the finished workpiece 6 and moves away from above the carrier plate 53, thereby completing the workpiece 6 unloading work.
[0044] When the workpiece 6 to be processed needs to be placed, the external mechanical arm places the workpiece 6 to be processed on the carrier plate 53, and the external mechanical arm moves away from the device; the cylinder 4 pulls the connecting arm 43, the connecting arm 43 pushes the second clamping jaw 31 to rotate on the sliding plate 3, so that the second clamping jaw 31 contacts the workpiece 6; the traveling mechanism 2 drives the sliding plate 3 to slide on the workbench 1 through the reverse rotation of the traveling screw 211, so that the second clamping jaw 31 approaches the first clamping jaw 11, the workpiece 6 contacts the first clamping jaw 11, and the first clamping jaw 11 and the second clamping jaw 31 clamp the workpiece 6.
[0045] The utility model provides a kind of clamp for metal product manufacturing, when workpiece finishes processing, traveling mechanism drives sliding plate to slide on workbench certain distance, so that workpiece placed on bearing mechanism is away from first clamping jaw, so that there is certain distance between workpiece and first clamping jaw, the output shaft of cylinder pushes the connecting arm, the connecting arm pulls second clamping jaw and rotates a certain angle on sliding plate, then away from workpiece, so that there is certain distance between second clamping jaw and workpiece;When external mechanical arm unloads finished workpiece, one of the hands of the mechanical arm can extend between the workpiece and the first clamping jaw, and the other hand of the mechanical arm can extend between the workpiece and the second clamping jaw, so as to increase the contact area of the two hands of the mechanical arm with the workpiece and improve the friction force, and avoid the workpiece from falling off the mechanical arm.
[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited to the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.
Claims
1. A clamp for metal product manufacturing for clamping a workpiece, characterized by, Including workbench and cylinder; The workbench is provided with a first clamping jaw, the workbench is provided with a traveling mechanism, the workbench is slidably connected with a sliding plate, the sliding plate is slidably connected with the traveling mechanism, and the first clamping jaw is located above the sliding plate; The sliding plate is rotatably connected with a second clamping jaw, the sliding plate is fixedly connected with a bearing mechanism, the bearing mechanism is located between the first clamping jaw and the second clamping jaw, and the workpiece is placed on the bearing mechanism; The cylinder is fixedly connected with the sliding plate, a connecting arm is rotatably connected with the output shaft of the cylinder, and the connecting arm is rotatably connected with the second clamping jaw.
2. A fixture for metal fabrication as defined in claim 1, wherein, The cylinder is provided with a first guide rail, and a guide plate is fixedly connected with the output shaft of the cylinder and slidably connected with the first guide rail.
3. A fixture for metal fabrication as defined in claim 2, wherein, The bearing mechanism comprises a bearing table and a carrier plate, a double-thread screw rod is rotatably connected with the bearing table, two symmetrical adjusting blocks are slidably connected with the double-thread screw rod, a first inclined surface is formed in the adjusting block, two second inclined surfaces are formed in the bottom of the carrier plate, and the first inclined surface is in contact with the second inclined surface.
4. A fixture for metal fabrication as defined in claim 3, wherein, The bearing table is provided with a second guide rail, the second guide rail is parallel to the double-thread screw rod, and the adjusting block is slidably connected with the second guide rail.
5. A fixture for metal fabrication as defined in claim 4, wherein, A third guide rail extends on the first inclined surface, a sliding groove is formed in the second inclined surface, and the third guide rail is slidably connected in the sliding groove.
6. A fixture for metal fabrication as defined in claim 5, wherein, The traveling mechanism comprises two traveling supports and traveling motors, the traveling supports are fixedly connected with the workbench, traveling screw rods are rotatably connected with the traveling supports, the traveling motors are fixedly connected with the traveling supports, the output shafts of the traveling motors are fixedly connected with one ends of the traveling screw rods, and the sliding plate is slidably connected with the traveling screw rods.
7. A fixture for metal fabrication as defined in claim 6, wherein, The workbench is provided with a fourth guide rail, the fourth guide rail is parallel to the traveling screw rod, and the sliding plate is slidably connected with the fourth guide rail.
8. A fixture for metal fabrication as defined in claim 7, wherein,