Auxiliary clamping device suitable for turning pipes
By designing a lathe auxiliary clamping device including jaws, clamps and guide rods, the problem of unstable clamping of lathes when processing ultra-long pipes is solved, and more stable clamping and higher machining accuracy are achieved, reducing the Safety risks.
Patent Information
- Application Number
- CN202420148712.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-22
AI Technical Summary
When processing ultra-long plastic pipes or iron parts, the clamping is unstable, resulting in inaccurate processing size and safety hazards. Especially the length of the clamping end is limited, which can easily cause product shaking and falling off.
An auxiliary clamping device is designed, including components such as base, jaws, clamps and guide rods. The jaws can slidably install clamps. The outer surface of the clamps is arc-shaped. The clamps are fixed by limiting grooves and screws. The clamps can be adjusted in length. , the support rod supports the outer end of the clamp to ensure clamping stability and concentricity.
By increasing the clamping length and adjusting of the clamping plate, the clamping stability of the pipe is improved, and is suitable for pipe fittings of different lengths, reducing the risk of shaking and falling off during processing, and improving processing accuracy and safety.
Smart Images
Figure CN222133492U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipe processing equipment, in particular to an auxiliary clamping device suitable for turning pipes. Background Art
[0002] In the prior art, when a lathe processes some extra-long plastic pipes or iron parts, the parts or products to be processed are too long and the three jaws of the current lathe cannot effectively clamp the products, causing severe shaking of the products during machining, and the machining size and accuracy cannot be guaranteed. At the same time, the time for part calibration is increased. Currently, the clamping end length of a conventional lathe is only about 20MM. It is very dangerous to clamp the product with this length of the lathe. The longer the product is, the more it shakes when the lathe rotates. The greater the shaking, the easier it is for the product to fall off and fly out from the clamping end, which can easily cause safety accidents. Therefore, a technical solution is needed to solve the above problems. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides an auxiliary clamping device suitable for turning pipes.
[0004] The utility model provides an auxiliary clamping device suitable for machining pipes, comprising a base, a plurality of clamping jaws, and a plurality of clamping plates. The base is provided with a plurality of first guide grooves, the plurality of first guide grooves are radially arranged and annularly distributed, each of the clamping jaws is installed in a first guide groove, the clamping jaws can slide along the first guide groove, each of the clamping jaws is installed with a clamping plate, the plurality of clamping plates all extend toward the same side, the outer surface of the clamping plate is arc-shaped, the concentricity of the plurality of clamping plates is always consistent, and the outer surfaces of the plurality of clamping plates can press against the inner wall of the pipe.
[0005] Furthermore, the clamp is provided with a first limiting groove and a fixed seat, the fixed seat is located at a position of the clamp close to the center of the base, the first limiting groove extends to the fixed seat along the length direction of the clamp, and the clamp is provided with a first limiting block, which can be inserted into the first limiting groove.
[0006] Furthermore, the clamping plate is provided with a fixing groove, the fixing groove is located on the inner end surface of the clamping plate, and a part of the fixing seat is located in the fixing groove.
[0007] Furthermore, it includes a guide seat, which is provided with a guide rod, which is located at the center of the base and is consistent with the extension direction of the splint, the guide rod is installed with a movable ring, the movable ring can slide along the guide rod, the movable ring is installed with a plurality of support rods, one end of the support rod is hinged to the movable ring, each of the support rods is connected to a corresponding splint, and the other end of the support rod is hinged to the outermost end of the splint.
[0008] Furthermore, the guide seat is provided with a plurality of fixing plates, the fixing plates are distributed in a ring shape, the fixing plates are located between two adjacent first guide grooves, and the fixing plates are fixedly mounted on the guide seat.
[0009] Furthermore, an end cover is installed at the outer end of the guide rod, and the maximum diameter of the end cover is greater than the maximum diameter of the guide rod.
[0010] Furthermore, the splint includes an extension plate, the splint has a second guide groove, the extension plate is installed in the second guide groove, the outer end surface of the extension plate is flush with the outer end surface of the splint, the extension plate can extend toward the outer end of the splint along the second guide groove, the outer end of the extension plate is provided with a first hinged end, the movable ring is provided with a second hinged end, the support rod is provided with a third hinged end and a fourth hinged end, the third hinged end is connected to the first hinged end, and the second hinged end is connected to the fourth hinged end.
[0011] Furthermore, the second guide groove is provided with a slot, the slot is located on the end surface of the second guide groove facing the base, and the extension plate is provided with an inserting plate, and the inserting plate can be inserted into the slot.
[0012] Furthermore, the second guide groove is provided with a waist-shaped hole, the waist-shaped hole passes through the inner end surface of the clamping plate, and the plug plate is provided with a first through hole, and the first through hole is always located within the range of the waist-shaped hole.
[0013] Furthermore, the plug board is provided with a second fixing hole, and the second fixing hole is located within the range of the slot. When the plug board is inserted into the slot, the second fixing hole corresponds to the position of the first through hole.
[0014] Compared with the related art, the auxiliary clamping device suitable for turning pipes provided by the utility model has the following beneficial effects:
[0015] 1. The utility model increases the length of the clamp pressing against the inner wall of the pipe by installing a clamp on the clamp, thereby ensuring the stability of the clamp holding the pipe. The first limit groove of the clamp is fixed with the first limit block of the clamp, and the clamp is fixed with the fixing seat by screws, making disassembly and assembly more convenient.
[0016] 2. The splint of the utility model is provided with an extendable edge plate, which can lengthen the length of the splint so that the length of the splint can be adjusted, and is suitable for clamping and fixing pipes of different lengths. The support rod can support the outer end of the splint, and the movable ring can slide along the guide rod as the clamping claws expand or the support plate retracts to ensure the stability of the outer end of the splint and the concentricity of the splint. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of this embodiment.
[0018] Figure 2 It is a front view of this embodiment.
[0019] Figure 3 It is a top view of this embodiment.
[0020] Figure 4 for Figure 3 Sectional view in direction A.
[0021] Figure 5 Schematic diagram of the splint in this embodiment.
[0022] Numbers in the figure: 1. base; 11. first guide groove; 2. clamping claw; 21. first limiting groove; 22. fixed seat; 3. clamping plate; 31. first limiting block; 32. second guide groove; 321. slot; 322. waist-shaped hole; 33. extension plate; 331. plug-in plate; 332. first through hole; 333. first hinged end; 34. first fixing hole; 35. second fixing hole; 36. fixing groove; 4. guide seat; 41. fixing plate; 42. guide rod; 43. end cover; 44. movable ring; 441. second hinged end; 45. support rod; 451. third hinged end; 452. fourth hinged end; 5. pipe. DETAILED DESCRIPTION
[0023] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown.
[0024] like Figure 1 , Figure 2 , Figure 3As shown, the present embodiment discloses an auxiliary clamping device suitable for machining pipes, comprising a base 1, a plurality of clamping jaws 2, a plurality of clamping plates 3, and a guide seat 4. The base 1 is provided with a plurality of first guide grooves 11, and the plurality of first guide grooves 11 are radially arranged and annularly distributed. Each clamping jaw 2 is installed in a first guide groove 11, and the clamping jaw 2 can slide along the first guide groove 11. Each clamping jaw 2 is installed with a clamping plate 3, and the plurality of clamping plates 3 extend toward the same side. The outer surface of the clamping plate 3 is arc-shaped, and the concentricity of the plurality of clamping plates 3 is always consistent. The outer surfaces of the plurality of clamping plates 3 can press against the inner wall of the pipe 5. There are three clamping jaws 2, and the three clamping jaws 2 can expand outward or contract inward at the same time, and can be adjusted according to the diameter of the pipe 5 to be clamped. The guide seat 4 is provided with a guide rod 42, and the guide The rod 42 is located at the center of the base 1 and is consistent with the extension direction of the splint 3. The guide rod 42 is installed with a movable ring 44, and the movable ring 44 can slide along the guide rod 42. The movable ring 44 is installed with a plurality of support rods 45. One end of the support rod 45 is hinged to the movable ring 44, and each support rod 45 is connected to a corresponding splint 3. The other end of the support rod 45 is hinged to the outermost end of the splint 3. The support rod 45 can support the outer end of the splint 3. The movable ring 44 can slide along the guide rod 42 as the clamping jaws 2 expand to ensure the stability of the outer end of the splint 3 and the concentricity between all the splints 3. When the splint 3 is located closest to the center of the base 1, the movable ring 44 is located at the position where the guide rod 42 is closest to the base 1, and the clamping jaws 2 gradually expand outward so that the support rods 45 gradually tend to be vertical.
[0025] like Figure 1 , Figure 3 , Figure 4 As shown, more preferably, the clamping jaw 2 is provided with a first limiting groove 21 and a fixing seat 22, the fixing seat 22 is located at a position of the clamping jaw 2 close to the center of the base 1, the first limiting groove 21 extends to the fixing seat 22 along the length direction of the clamping jaw 2, and the clamping plate 3 is provided with a first limiting block 31, the first limiting block 31 can be inserted into the first limiting groove 21, the first limiting groove 21 is trapezoidal, the size of the opening end of the first limiting groove 21 is the smallest, and the first limiting block 31 is also trapezoidal, so that the first limiting block 31 is inserted into the first limiting groove 21 Afterwards, the clamping plate 3 is limited, and a fixing groove 36 is provided on the inner end face of the clamping plate 3. A part of the fixing seat 22 is located in the fixing groove 36. The two inner side faces of the fixing groove 36 are fitted with the two side faces of the fixing seat 22 to play a limiting role. A first fixing hole 34 is provided on the outer side face of the clamping plate 3. The screw passes through the first fixing hole 34 and is connected to the fixing seat 22. At the same time, the first fixing hole 34 is a countersunk hole, and the screw for fixing the clamping plate 3 can be completely sunk into the first fixing hole 34 to make the outer wall of the clamping plate 3 smooth.
[0026] like Figure 1 , Figure 2As shown, more preferably, the guide seat 4 is provided with a plurality of fixing plates 41, and the fixing plates 41 are distributed in a ring shape. The fixing plates 41 are located between two adjacent first guide grooves 11, and the fixing plates 41 are fixedly installed on the guide seat 4. The guide seat 4 fixes the base 1 through the fixing plates 41. The annularly distributed fixing plates 41 make the guide seat 4 more stable and will not interfere with the movement of the clamp 2.
[0027] like Figure 1 , Figure 4 As shown, an end cap 43 is installed at the outer end of the guide rod 42 , and the maximum diameter of the end cap 43 is larger than the maximum diameter of the guide rod 42 . The end cap 43 provides a limit for the movable ring 44 and can block the movable ring 44 at the outermost end of the guide rod 42 .
[0028] like Figure 1 , Figure 4 , Figure 5 As shown, the clamping plate 3 includes an extension plate 33, the clamping plate 3 is provided with a second guide groove 32, the extension plate 33 is installed in the second guide groove 32, the second guide groove 32 is trapezoidal, the opening end of the first limiting groove 21 is the smallest, the extension plate 33 is also trapezoidal, which can prevent the extension plate 33 from falling out of the second guide groove 32, the outer end surface of the extension plate 33 is flush with the outer end surface of the clamping plate 3, when the extension plate 33 is extended, it can also press the pipe 5 like the clamping plate 3, the extension plate 33 can extend toward the outer end of the clamping plate 3 along the second guide groove 32, and the extension plate 33 The outer end is provided with a first hinge end 333, the movable ring 44 is provided with a second hinge end 441, the support rod 45 is provided with a third hinge end 451 and a fourth hinge end 452, the third hinge end 451 is connected to the first hinge end 333, the second hinge end 441 is connected to the fourth hinge end 452, when the extension plate 33 is extended toward the outer end of the splint 3, it can drive the movable ring 44 to move toward the outer end of the guide rod 42, so that the support rod 45 can always support the outer end of the splint 3, and at the same time, the support rod 45 can also ensure that the extended length and concentricity of all the extension plates 33 remain consistent.
[0029] like Figure 4 , Figure 5 As shown, the second guide groove 32 is provided with a slot 321, and the slot 321 is located on the end face of the second guide groove 32 facing the base 1. The extension plate 33 is provided with an insert plate 331, and the insert plate 331 can be inserted into the slot 321. The second guide groove 32 is provided with a waist-shaped hole 322, and the waist-shaped hole 322 passes through the inner end face of the clamping plate 3. The clamping plate 3 is provided with a second fixing hole 35, and the second fixing hole 35 is located within the range of the slot 321. When the insert plate 331 is inserted into the slot 321, the insert plate 331 is provided with a first through hole 332, and the second fixing hole 35 corresponds to the position of the first through hole 332. When the extension plate 33 is retracted to the shortest position, the extension plate 33 is completely located inside the second guide groove 32, and the extension plate 33 is fixed by bolts passing through the second fixing hole 35, the first through hole 332 and the waist-shaped hole 322.
[0030] like Figure 5 As shown, the first through hole 332 is always located within the range of the waist-shaped hole 322. When the extension plate 33 is extended, the extension plate 33 can be fixed in the second guide groove 32 by using bolts passing through the first through hole 332 and the waist-shaped hole 322 to lock the extended position of the extension plate 33.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An auxiliary clamping device suitable for turning pipes, characterized in that: The invention comprises a base (1), a plurality of clamping jaws (2) and a plurality of clamping plates (3). The base (1) is provided with a plurality of first guide grooves (11). The plurality of first guide grooves (11) are radially arranged and annularly distributed. Each of the clamping jaws (2) is installed in a first guide groove (11). The clamping jaw (2) can slide along the first guide groove (11). Each of the clamping jaws (2) is installed with a clamping plate (3). The plurality of clamping plates (3) extend toward the same side. The outer surface of the clamping plate (3) is arc-shaped. The concentricity of the plurality of clamping plates (3) is always consistent. The outer surfaces of the plurality of clamping plates (3) can press against the inner wall of the pipe (5).
2. An auxiliary clamping device suitable for turning pipes according to claim 1, characterized in that: The clamping jaw (2) is provided with a first limiting groove (21) and a fixing seat (22); the fixing seat (22) is located at a position of the clamping jaw (2) close to the center of the base (1); the first limiting groove (21) extends to the fixing seat (22) along the length direction of the clamping jaw (2); the clamping plate (3) is provided with a first limiting block (31); the first limiting block (31) can be inserted into the first limiting groove (21).
3. An auxiliary clamping device suitable for turning pipes according to claim 2, characterized in that: The clamping plate (3) is provided with a fixing groove (36), the fixing groove (36) is located on the inner end surface of the clamping plate (3), and a part of the fixing seat (22) is located in the fixing groove (36).
4. The auxiliary clamping device suitable for turning pipes according to claim 1, characterized in that: The invention comprises a guide seat (4), wherein the guide seat (4) is provided with a guide rod (42), wherein the guide rod (42) is located at the center of the base (1) and is consistent with the extension direction of the clamping plate (3), wherein the guide rod (42) is provided with a movable ring (44), wherein the movable ring (44) is capable of sliding along the guide rod (42), wherein the movable ring (44) is provided with a plurality of support rods (45), wherein one end of the support rod (45) is hinged to the movable ring (44), wherein each of the support rods (45) is connected to a corresponding clamping plate (3), and the other end of the support rod (45) is hinged to the outermost end of the clamping plate (3).
5. An auxiliary clamping device suitable for turning pipes according to claim 4, characterized in that: The guide seat (4) is provided with a plurality of fixing plates (41), the fixing plates (41) are distributed in a ring shape, the fixing plates (41) are located between two adjacent first guide grooves (11), and the fixing plates (41) are fixedly mounted on the guide seat (4).
6. The auxiliary clamping device suitable for turning pipes according to claim 4, characterized in that: An end cover (43) is installed at the outer end of the guide rod (42), and the maximum diameter of the end cover (43) is greater than the maximum diameter of the guide rod (42).
7. An auxiliary clamping device suitable for turning pipes according to claim 4, characterized in that: The splint (3) includes an extension plate (33), the splint (3) is provided with a second guide groove (32), the extension plate (33) is installed in the second guide groove (32), the outer end surface of the extension plate (33) is flush with the outer end surface of the splint (3), the extension plate (33) can extend toward the outer end of the splint (3) along the second guide groove (32), the outer end of the extension plate (33) is provided with a first hinge end (333), the movable ring (44) is provided with a second hinge end (441), the support rod (45) is provided with a third hinge end (451) and a fourth hinge end (452), the third hinge end (451) is connected to the first hinge end (333), and the second hinge end (441) is connected to the fourth hinge end (452).
8. An auxiliary clamping device suitable for turning pipes according to claim 7, characterized in that: The second guide groove (32) is provided with a slot (321), and the slot (321) is located on the end surface of the second guide groove (32) facing the base (1), and the extension plate (33) is provided with an insertion plate (331), and the insertion plate (331) can be inserted into the slot (321).
9. An auxiliary clamping device suitable for turning pipes according to claim 8, characterized in that: The second guide groove (32) is provided with a waist-shaped hole (322), and the waist-shaped hole (322) passes through the inner end surface of the clamping plate (3). The inserting plate (331) is provided with a first through hole (332), and the first through hole (332) is always located within the range of the waist-shaped hole (322).
10. An auxiliary clamping device suitable for turning pipes according to claim 9, characterized in that: The plug board (331) is provided with a second fixing hole (35), and the second fixing hole (35) is located within the range of the slot (321). When the plug board (331) is inserted into the slot (321), the second fixing hole (35) corresponds to the position of the first through hole (332).