CN213002706U - Pneumatic clamp for machining ejector pin of mold - Google Patents
Pneumatic clamp for machining ejector pin of mold Download PDFInfo
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- CN213002706U CN213002706U CN202021745633.2U CN202021745633U CN213002706U CN 213002706 U CN213002706 U CN 213002706U CN 202021745633 U CN202021745633 U CN 202021745633U CN 213002706 U CN213002706 U CN 213002706U
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Abstract
The utility model is suitable for the field of machining, provides a pneumatic fixture for processing a mould thimble, mainly comprises a fixture assembly and a pneumatic assembly, wherein the fixture assembly comprises a chuck plate and a clamping jaw, the pneumatic assembly comprises a cylinder, a piston rod, a transmission rod, a connecting slider, a first air guide valve and a second air guide valve, the mould thimble to be processed can be clamped through the clamping jaw, the clamping effect is better, and the clamping force can be controlled; the clamp can be arranged on different types of numerically controlled lathes through the chuck, so that the application range is wider, and the performance-price ratio is higher; the cylinder can control the movement of the clamping jaw, the full-automatic control is realized, the clamping force is more uniform, and the efficiency is higher; the clamping jaw of removable different models simultaneously can use the different processes of hen thimble, and a plurality of processes of anchor clamps are used and are saved the cost, and this device simple structure, the sexual valence relative altitude is worth promoting and selling.
Description
Technical Field
The utility model belongs to the technical field of machining, especially, relate to a pneumatic fixture is used in processing of mould thimble.
Background
In the current processing field, dies and tools are used for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool for making a molded article, and the tool is composed of various parts, and a thimble is a part used in the mold, and is a plastic mold part used in a plastic mold.
The existing common die ejector pin processing method is that a blank of a die ejector pin is turned by a lathe to achieve the die ejector pin required by people, in the process, the die ejector pin is small and large in batch, each die ejector pin needs to be manually clamped and aligned, the efficiency is low, manual clamping is not uniform in the process, and parts are easily damaged by clamping.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pneumatic fixture is used in processing of mould thimble aims at solving the inefficiency that mentions in the above-mentioned background art, the problem that can not function fast in succession.
The utility model discloses a realize like this, a pneumatic fixture is used in processing of mould thimble mainly includes anchor clamps subassembly and pneumatic assembly, pneumatic assembly installs in the anchor clamps subassembly.
The fixture assembly comprises a chuck and clamping jaws, wherein the chuck is internally of a hollow structure, four T-shaped sliding grooves which are uniformly distributed are formed in the upper surface of the chuck, four corresponding clamping jaws are placed on the sliding grooves, threaded through holes are formed in the clamping jaws, fixing bolts are installed in the threaded through holes in a matched mode, step blocks are arranged at the upper ends of the clamping jaws, and clamping semicircles are arranged on the side surfaces of the step blocks.
The pneumatic assembly comprises a cylinder, a piston rod, a transmission rod, a connecting slide block, a first air guide valve and a second air guide valve, the plurality of cylinders are fixedly arranged in the chuck plate, the piston is arranged in the cylinder, the piston rod is arranged on the piston and penetrates through the upper surface of the cylinder in a matching manner, the upper end of the piston rod is hinged with the transmission rod, the transmission rod is hinged with a connecting rod, the connecting slide block is matched with the sliding groove in shape, the plurality of connecting slide blocks are arranged in the sliding groove in a matching manner, a groove is formed in the lower surface of the connecting slide block, a fixed hinge is arranged on the bottom wall of the groove, one end of the connecting rod is hinged with the transmission rod, the other end of the connecting rod is connected with the hinge, a plurality of threaded holes matched with the fixed bolts are formed in the upper surface of the connecting slide block, the air cylinder is characterized in that a first air hole is formed in the upper end of the air cylinder, a second air hole is formed in the lower end of the air cylinder, a first air guide valve and a second air guide valve are installed on the outer surface of the chuck, the first air guide valve is connected with the first air holes in a plurality of corresponding through a plurality of first air guide pipes, and the second air guide valve is connected with the second air holes in a plurality of corresponding through a plurality of air guide pipes.
Preferably, the upper surface of the chuck is provided with a plurality of fixing holes which are uniformly arranged, and the inner walls of the fixing holes are provided with internal threads.
Preferably, the center of the upper surface of the chuck is provided with a central through hole.
Preferably, the outer surface of the clamping semicircle is provided with a copper gasket.
Preferably, the upper surface and the lower surface of the piston are both provided with buffering plungers, and the surface of the inner wall of the cylinder is provided with buffering sleeves matched with the buffering plungers.
Preferably, a portion of the piston rod fitted through the cylinder is provided with a gasket.
Compared with the prior art, the beneficial effects of the utility model are that: the mold ejector pin to be processed can be clamped through the clamping jaw, the clamping effect is better, and the clamping force can be controlled; the clamp can be arranged on different types of numerically controlled lathes through the chuck, so that the application range is wider, and the performance-price ratio is higher; the cylinder can control the movement of the clamping jaw, the full-automatic control is realized, the clamping force is more uniform, and the efficiency is higher; the first air guide valve and the second air guide valve can control air in the cylinder to be discharged and enter, and the clamping force is fixed to prevent clamping a top of the die; the clamping jaw of removable different models simultaneously can use the different processes of hen thimble, and a plurality of processes of anchor clamps are used and are saved the cost, and this device simple structure, the sexual valence relative altitude is worth promoting and selling.
Drawings
Fig. 1 is a front view of the overall structure of the present invention;
fig. 2 is a top view of the overall structure of the present invention;
fig. 3 is a schematic view of the structure of the clamping jaw of the present invention;
in the figure: 1-clamp assembly, 11-chuck, 111-sliding groove, 112-central through hole, 12-clamping jaw, 121-threaded through hole, 122-fixing bolt, 123-clamping semicircle, 124-gasket, 13-fixing hole, 2-pneumatic assembly, 21-cylinder, 211-buffer plunger, 212-sealing gasket, 213-buffer sleeve, 214-vent hole I, 215-vent hole II, 22-piston, 23-piston rod, 24-transmission rod, 241-connecting rod, 242-fixed hinge, 25-connecting slide block, 251-threaded hole, 26-air guide valve I, 261-air guide pipe I, 27-air guide valve II and 271-air guide pipe II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a pneumatic clamp for machining a mold ejector pin mainly comprises a clamp assembly 1 and a pneumatic assembly 2, wherein the pneumatic assembly 2 is installed in the clamp assembly 1.
The clamp assembly 1 comprises a chuck 11 and clamping jaws 12, wherein the interior of the chuck 11 is of a hollow structure, four T-shaped sliding grooves 111 which are uniformly distributed are formed in the upper surface of the chuck 11, the four corresponding clamping jaws 12 are placed on the sliding grooves 111, threaded through holes 121 are formed in the clamping jaws 12, fixing bolts 122 are installed in the threaded through holes 121 in a matched mode, step blocks are arranged at the upper ends of the clamping jaws 12, and clamping semicircles 123 are arranged on the side surfaces of the step blocks;
the pneumatic assembly 2 comprises a cylinder 21, a piston 22, a piston rod 23, a transmission rod 24, a connecting slide block 25, a first air guide valve 26 and a second air guide valve 27, wherein a plurality of cylinders 21 are fixedly arranged in the chuck plate 11, the piston 22 is arranged in the cylinder 21, the piston rod 23 is arranged on the upper surface of the piston 22, the piston rod 23 is matched and penetrates through the upper surface of the cylinder 21, the upper end of the piston rod 23 is hinged with the transmission rod 24, the transmission rod 24 is hinged with a connecting rod 241, the appearance of the connecting slide block 25 is matched with the sliding groove 111, the connecting slide blocks 25 are matched and arranged in the sliding groove 111, the lower surface of the connecting slide block 25 is provided with a groove, the bottom wall of the groove is provided with a fixed hinge 242, one end of the connecting rod 241 is hinged with the transmission rod 24, the other end of the connecting rod is connected with the hinge, the upper end of the cylinder 21 is provided with a first vent hole 214, the lower end of the cylinder is provided with a second vent hole 215, the outer surface of the chuck 11 is provided with a first air guide valve 26 and a second air guide valve 27, the first air guide valve 26 is connected with a plurality of corresponding first vent holes 214 through a plurality of first air guide pipes 261, and the second air guide valve 27 is connected with a plurality of corresponding second vent holes 215 through a plurality of air guide pipes 271.
In this embodiment, the cylinder 21 may be a SDA thin cylinder produced by a smitte cylinder, the piston rod, the buffer plunger and the buffer sleeve matched with each other in the cylinder may be provided by the same manufacturer, the first air guide valve 26 and the second air guide valve 27 may be 2V025-08 electromagnetic valves produced by the same manufacturer, the required air filter, the filter pressure regulator and the pressure regulating valve may all be provided by the same manufacturer, and not described herein, the first air guide valve 26 and the second air guide valve 27 inject or exhaust air into or from the cylinder through the first air guide tube 261 and the second air guide tube 271, the cylinder 21 may push the piston rod 23 to move, the transmission rod 24 makes circular motion under the push of the piston rod, the connection rod 241 makes circular motion through the transmission rod 24 to drive the connection slider 25 to slide, and the clamping force of the clamping jaw 12 may be controlled by controlling the air intake amount of the cylinder 21, the clamping jaw 12 clamps the mold ejector pin through the clamping semi-circle 123, so that the use is more convenient, the circular arc matching is better, the contact area between the step block on the clamping jaw 12 and the mold ejector pin is increased, and the clamping effect is more obvious.
Further, the upper surface of the chuck 11 is provided with a plurality of fixing holes 13 which are uniformly arranged, and the inner walls of the fixing holes 13 are provided with internal threads.
In the embodiment, the fixing hole 13 can fix the chuck on the main shaft of the numerically controlled lathe through a matched bolt, so that the chuck is convenient to disassemble and wide in application.
Further, a center through hole 113 is centrally provided on the upper surface of the chuck 11.
In this embodiment, a longer mold pin can be placed in the through hole 113, and the processing range is wider.
Further, the outer surface of the clamping semicircle 123 is provided with a copper shim 124.
In this embodiment, the copper spacer 124 is soft to prevent the clamping jaw from being too hard to damage the mold thimble during processing.
Further, the upper and lower surfaces of the piston 22 are provided with buffer plungers 211, and the inner wall surface of the cylinder 21 is provided with buffer sleeves 213 which are matched with the buffer plungers 211.
In this embodiment, the buffer plunger 211 is engaged with and enters the buffer sleeve 213 to form a buffer cushion to play a buffer role when the piston moves.
Further, a portion of the piston rod 23 fitted through the cylinder 21 is provided with a packing 212.
In this embodiment, the packing 212 prevents leakage of internal gas when the piston rod 23 moves, which may cause the device to malfunction.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the mould top to be clamped is manually placed at the center of the four clamping jaws 12 through the fixing hole 13, at the moment, the air in the cylinder is exhausted through the air duct 261 and the air vent 241 by the air guide valve I26, the piston 22 is pushed to move, the air guide valve II 27 injects air into the cylinder through the air duct 271 and the air vent 242, the piston 22 pushes the piston rod 23 to move downwards along the vertical direction, the piston rod 23 drives the transmission rod 24 to rotate towards the center of the clamping chuck 11 when moving, the transmission rod 24 drives the connecting rod 241 to swing towards the center of the clamping chuck, the connecting rod 241 drives the connecting slider 25 through the fixing hinge 25, the connecting slider 25 slides towards the center of the clamping chuck 11 in the sliding groove 111, so that the clamping semicircles 123 of the four clamping jaws 12 clamp the mould thimble, after the mould thimble is processed by the numerical control lathe, the air guide valve I26 inputs air into the cylinder 21 through the air duct, promote the piston 22 motion, air is taken out in air guide valve two 27 is passed through air duct two 271 and air vent 242 by cylinder 21 simultaneously, piston 22 promotes piston rod 23 and moves along vertical direction, piston rod 23 drives transfer line 24 and swings to the (holding) chuck 11 external diameter direction this moment, thereby drive connecting rod 241 and move to the (holding) chuck 11 external diameter direction, connecting rod 241 drives corresponding link block 25 and clamping jaw 12 through fixed hinge 242 in proper order and slides to the external diameter direction of (holding) chuck 11, make four clamping jaws 12 be the state of scattering, take off the mould thimble, thereby a pneumatic fixture uses the overall process for mould thimble processing has been accomplished.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a pneumatic fixture is used in processing of mould thimble which characterized in that: the clamp mainly comprises a clamp assembly (1) and a pneumatic assembly (2), wherein the pneumatic assembly (2) is arranged in the clamp assembly (1);
the clamp assembly (1) comprises a chuck (11) and clamping jaws (12), the interior of the chuck (11) is of a hollow structure, four T-shaped sliding grooves (111) which are uniformly distributed are formed in the upper surface of the chuck (11), the corresponding four clamping jaws (12) are placed on the sliding grooves (111), threaded through holes (121) are formed in the clamping jaws (12), fixing bolts (122) are installed in the threaded through holes (121) in a matched mode, step blocks are arranged at the upper ends of the clamping jaws (12), and clamping semi-circles (123) are arranged on the lateral surfaces of the step blocks;
the pneumatic assembly (2) comprises a cylinder (21), a piston (22), a piston rod (23), a transmission rod (24), a connecting slide block (25), a first air guide valve (26) and a second air guide valve (27), the cylinder (21) is fixedly arranged in the chuck (11), the piston (22) is arranged in the cylinder (21), the piston rod (23) is arranged on the upper surface of the piston (22), the piston rod (23) penetrates through the upper surface of the cylinder (21) in a matching manner, the upper end of the piston rod (23) is hinged to the transmission rod (24), the transmission rod (24) is hinged to a connecting rod (241), the appearance of the connecting slide block (25) is matched with the sliding groove (111), the connecting slide block (25) is arranged in the sliding groove (111) in a matching manner, and a groove is formed in the lower surface of the connecting slide block (25), a fixed hinge (242) is arranged on the bottom wall of the groove, one end of the connecting rod (241) is hinged with the transmission rod (24), the other end is connected with the hinge (242), the upper surface of the connecting sliding block (25) is provided with a plurality of threaded holes (251) matched with the fixing bolts (122), a plurality of clamping jaws (12) are arranged on the upper surface of the connecting sliding block (25) through the fixing bolts (122), the upper end of the cylinder (21) is provided with a first vent hole (214), the lower end is provided with a second vent hole (215), the outer surface of the chuck (11) is provided with a first air guide valve (26) and a second air guide valve (27), the first air guide valve (26) is connected with the first corresponding vent holes (214) through a plurality of air guide pipes (261), and the second air guide valve (27) is connected with the second corresponding vent holes (215) through a plurality of air guide pipes (271).
2. The pneumatic clamp for machining the ejector pin of the mold according to claim 1, wherein: the upper surface of the chuck (11) is provided with a plurality of uniformly arranged fixing holes (13), and the inner walls of the fixing holes (13) are provided with internal threads.
3. The pneumatic clamp for machining the ejector pin of the mold according to claim 1, wherein: the center of the upper surface of the chuck (11) is provided with a central through hole (113).
4. The pneumatic clamp for machining the ejector pin of the mold according to claim 1, wherein: the outer surface of the clamping semicircle (123) is provided with a copper gasket (124).
5. The pneumatic clamp for machining the ejector pin of the mold according to claim 1, wherein: buffering plungers (211) are all installed to piston (22) upper and lower surface, cylinder (21) inner wall surface be provided with buffering cover (213) of buffering plunger (211) matched with.
6. The pneumatic clamp for machining the ejector pin of the mold according to claim 1, wherein: the part of the piston rod (23) which is matched and penetrates through the air cylinder (21) is provided with a sealing gasket (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021745633.2U CN213002706U (en) | 2020-08-20 | 2020-08-20 | Pneumatic clamp for machining ejector pin of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021745633.2U CN213002706U (en) | 2020-08-20 | 2020-08-20 | Pneumatic clamp for machining ejector pin of mold |
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| Publication Number | Publication Date |
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| CN213002706U true CN213002706U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021745633.2U Active CN213002706U (en) | 2020-08-20 | 2020-08-20 | Pneumatic clamp for machining ejector pin of mold |
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| CN (1) | CN213002706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649933A (en) * | 2021-08-16 | 2021-11-16 | 河海大学 | Mechanical structure of automatic clamping device for mechanical polishing |
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2020
- 2020-08-20 CN CN202021745633.2U patent/CN213002706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649933A (en) * | 2021-08-16 | 2021-11-16 | 河海大学 | Mechanical structure of automatic clamping device for mechanical polishing |
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