Universal clamp for three-way connector machining
By designing an adjustable fixed and movable clamping mechanism, combined with the dovetail slider engaging with the toothed groove and the stud and handle adjustment, the shortcomings of existing hydraulic pipe fitting processing fixtures in terms of applicable range and angle adjustment are solved, and efficient and precise processing of tee fittings is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
Existing hydraulic pipe fitting processing fixtures have shortcomings in terms of applicability and angle adjustment accuracy. They cannot effectively clamp and position pipe fittings of non-specific shapes or structures, and the rotation operation is complicated, resulting in low processing efficiency and low accuracy.
A universal fixture for machining tee connectors was designed. It adopts an adjustable fixed clamping and movable clamping mechanism, combined with the dovetail slider engaging with the tooth groove and the stud and handle adjustment, to achieve stable clamping and angle adjustment of tee connectors of different sizes and shapes. The friction is increased by the rubber pad, which simplifies the operation process.
It expands the applicability of the fixture, improves processing efficiency and accuracy, simplifies operation steps, and enables flexible and convenient clamping and angle adjustment of the tee connector.
Smart Images

Figure CN224102365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to three -way joint processing technical field, specifically is a general fixture for three -way joint processing. BACKGROUND
[0002] Hydraulic pipe joint is the component between connecting high pressure oil pipe and high pressure oil pipe in hydraulic system, is mostly metal or metal alloy material, can be divided into straight -flow joint, three -way joint according to the appearance etc.;When the overall forming of structural component is in production and processing, the end of joint needs to be ground by using machine tool to ensure that the outer wall is smooth and has good sealing property, in order to cooperate the stability of machine tool processing, the corresponding clamp will be used;The clamp used at present mostly can only carry out stable clamping work, when the workpiece needs to be turned to process the other end, the clamp must release the workpiece and turn the direction again, so repeated operation of the clamp will bring inconvenience to processing, and it is not conducive to improving work efficiency.
[0003] The utility model discloses a hydraulic pipe joint processing clamp, including: base, the outer wall top of base is equipped with slide, the inner chamber of base is symmetrically embedded with two movable seat that can slide left and right, the inner wall of base rotatable installs one end of lead screw, and the other end of lead screw extends out the outer wall of base, and lead screw is used for driving two slides to be close to or away from each other synchronously, the top of movable seat is equipped with clamping mechanism, the inside of clamping mechanism places hydraulic pipe joint body, and clamping mechanism is used for stably holding hydraulic pipe joint body.
[0004] As shown in the above utility model, the existing joint processing clamp can stably clamp the hydraulic pipe joint body, can adapt to straight -flow connection and three -way joint, has high universality, can freely control the orientation of the hydraulic pipe joint body, can freely select the joint opposite to the machine tool, and does not need to repeatedly release and clamp the workpiece. However, the existing hydraulic pipe joint processing clamp is mainly designed for the specific shape of the hydraulic pipe joint body (the end is a prism shape, and the rest is a cylindrical shape), and may not be able to effectively clamp and position the pipe joint or three -way joint with other shapes or structures, and the application range is relatively narrow. Although the existing clamp can rotate the workpiece, the rotation operation depends on the worm and worm gear transmission, and for some simple processing scenes with low angle adjustment accuracy requirement, the structure is slightly complex, the operation steps are more, and there may be some errors in the reading of the angle ruler and the pointer, so that the angle adjustment is not convenient and accurate UTILITY MODEL CONTENTS
[0005] In view of the defects of the prior art, the utility model provides a general fixture for three -way joint processing, which solves the above problems.
[0006] In order to achieve the above object, the utility model discloses a general fixture for tee joint processing through the following technical schemes:
[0007] The upper surface of the base is provided with a fixed frame at one end, and is provided with a movable frame at the other end.
[0008] The upper end of the fixed frame is provided with a fixed clamping mechanism on one side, which is used for clamping one side of the tee joint.
[0009] The movable frame is provided as a movable structure, and is limited after movement through the limiting mechanism thereon; the upper end of the movable frame is provided with a movable clamping mechanism on one side, and the movable clamping mechanism is used for clamping and limiting the tee joint in cooperation with the fixed clamping mechanism.
[0010] Preferably, dovetail sliding grooves are formed on both sides of the other end of the upper surface of the base, and a tooth groove is arranged between the two dovetail sliding grooves; the dovetail sliding grooves and the tooth groove are used for connecting the movable frame.
[0011] Preferably, a fixed column is fixed on one side of the upper end of the fixed frame, the bottom of the fixed column is fixed with the fixed frame through a reinforcing block, a connecting block is fixed on the end of the fixed column, and a first clamping plate is movably connected to the outside of the connecting block through a bearing.
[0012] Preferably, a recess is formed on one side of the upper end of the connecting block, a pressing block is arranged in the recess, one side of the pressing block corresponds to the inside of the first clamping plate, a screw groove is formed in the middle of the other side of the pressing block, a screw rod is inserted into the screw groove, one end of the screw rod penetrates through a through hole formed in the groove bottom and is movably connected with the connecting block through a bearing, and a knob is fixed on the end of the screw rod.
[0013] Preferably, dovetail sliding blocks are fixed on both sides of the bottom end of the movable frame, the dovetail sliding blocks are located in the dovetail sliding grooves, protruding blocks are fixed on both sides of one end of the movable frame, a clamping plate is connected between the two protruding blocks through a connecting shaft and a torsional spring, and one end of the clamping plate is matched with the tooth groove.
[0014] Preferably, a screw hole is formed on the upper end of the movable frame, a screw column is connected through the screw hole, a handle is fixed on one end of the screw column, a second clamping plate is movably connected to the other end of the screw column through a bearing, and rubber pads are bonded on the outside of the second clamping plate and the first clamping plate.
[0015] Beneficial effects
[0016] The utility model provides a general fixture for tee joint processing. Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. The universal fixture for tee joint machining can adapt to tee joints of different sizes and shapes through the adjustable fixed clamping mechanism and movable clamping mechanism, and the use of rubber pads increases the friction and protection of the workpiece, expands the application range of the fixture and improves the universality of the fixture.
[0018] 2. The universal fixture for tee joint machining can move stably and is not easy to separate through the dovetail sliding block and dovetail sliding groove of the movable frame, and the engagement of the clamping plate and the tooth groove can quickly realize the limiting of the movable frame. The limiting of the second clamping plate is adjusted through the knob and stud, and the limiting of the first clamping plate is adjusted through the knob and stud, which is simple and convenient to operate. At the same time, the movable structure of the first clamping plate and the second clamping plate can make the tee joint rotate and limit the angle after clamping, meet different processing requirements, and the angle adjustment is more flexible and convenient, which improves the processing efficiency and precision. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a schematic view of the overall structure of the utility model.
[0020] Figure 2 It is a schematic view of the base and fixed frame structure of the utility model.
[0021] Figure 3 It is a schematic view of the connecting block structure of the utility model.
[0022] Figure 4 It is a schematic view of the movable frame structure of the utility model.
[0023] In the drawing: base 1, dovetail sliding groove 11, tooth groove 12, fixed frame 2, fixed column 21, reinforcing block 22, connecting block 23, recess 231, pressing block 232, screw rod 233, knob 234, first clamping plate 24, movable frame 3, dovetail sliding block 31, protruding block 32, clamping plate 33, lamination block 34, screw hole 35, stud 36, handle 37, second clamping plate 38. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0025] Please refer to Figures 1-4 The utility model provides two technical solutions:
[0026] The utility model provides a kind of general fixture for three-way joint processing, including base 1, fixed frame 2 and movable frame 3, the upper surface one end of base 1 is provided with fixed frame 2, the upper surface other end of base 1 is provided with movable frame 3, the upper surface other end of base 1 both sides is opened dovetail slide groove 11, tooth slot 12 is arranged between two dovetail slide grooves 11, and dovetail slide groove 11 and tooth slot 12 are used to connect movable frame 3.
[0027] Specifically, the upper end of the fixed frame 2 is provided with a fixed clamping mechanism on one side, which is used to clamp one side of the three-way joint. The upper end of the fixed frame 2 is fixed with a fixed column 21. The bottom of the fixed column 21 is fixed with the fixed frame 2 through a reinforcing block 22. The end of the fixed column 21 is fixed with a connecting block 23. The outer side of the connecting block 23 is movably connected with a first clamping plate 24 through a bearing. A recess 231 is formed on one side of the upper end of the connecting block 23. A pressing block 232 is arranged in the recess 231. One side of the pressing block 232 corresponds to the inner side of the first clamping plate 24. A screw groove is formed in the other side of the middle of the pressing block 232. A screw rod 233 is inserted into the screw groove. One end of the screw rod 233 penetrates through a through hole formed in the bottom of the recess 231 and is movably connected with the connecting block 23 through a bearing. A knob 234 is fixed on the end of the screw rod 233. The screw rod 233 is rotated by the knob 234. The screw rod 233 moves the pressing block 232 until the pressing block 232 contacts the inner side of the first clamping plate 24. The first clamping plate 24 is limited so that it cannot rotate.
[0028] The second embodiment is mainly different from the first embodiment in that the movable frame 3 is arranged as a movable structure. The movable frame 3 is limited after moving through the limiting mechanism thereon. The movable frame 3 is provided with a movable clamping mechanism on one side of the upper end. The movable clamping mechanism cooperates with the fixed clamping mechanism to clamp and limit the three-way joint. The bottom end of the movable frame 3 is fixed with dovetail sliding blocks 31 on both sides. The dovetail sliding blocks 31 are located in the dovetail slide grooves 11 so that the movable frame 3 moves linearly and avoids being separated from the base 1. The one end of the movable frame 3 is fixed with protruding blocks 32 on both sides. A clamping plate 33 is connected with the protruding blocks 32 through a connecting shaft and a torsional spring. One end of the clamping plate 33 is matched with the tooth slot 12. The clamping plate 33 can engage with the corresponding tooth slot 12 under the action of the torsional spring. A screw hole 35 is formed in the upper end of the movable frame 3. A screw column 36 penetrates through the screw hole 35. A handle 37 is fixed on one end of the screw column 36. The other end of the screw column 36 is movably connected with a second clamping plate 38 through a bearing. The screw column 36 is rotated by the handle 37. The screw column 36 and the screw hole 35 cooperate to move the second clamping plate 38. Rubber pads are adhered to the outer sides of the second clamping plate 38 and the first clamping plate 24 to increase friction and protect the three-way joint.
[0029] In use, first, the tee joint is placed between the first clamping plate 24 and the second clamping plate 38, then the movable frame 3 is moved until the rubber pads on the first clamping plate 24 and the second clamping plate 38 are in contact with the tee joint, at this time the clamping plate 33 on the movable frame 3 is engaged with the corresponding tooth groove 12 on the base 1 to limit the movable frame 3, then the knob 37 is twisted, the knob 37 drives the stud 36 to rotate in the threaded hole 35, and then drives the second clamping plate 38 to move, so that the second clamping plate 38 cooperates with the first clamping plate 24 to stably limit the tee joint, the first clamping plate 24 and the second clamping plate 38 are both arranged in a movable structure, so that the tee joint can be rotated after clamping, which is convenient for further processing, by twisting the knob 234, the knob 234 drives the screw rod 233 to rotate, the screw rod 233 drives the pressing block 232 to move until the pressing block 232 is in contact with the inner side of the first clamping plate 24 to limit the first clamping plate 24, and then the rotation angle of the tee joint is limited, so that the tee joint can maintain a corresponding angle, which is convenient for subsequent stable processing.
[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used.
[0031] It should be noted that, in this document, the relative terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A universal fixture for machining tee connectors, characterized in that, Include: The upper surface of the base is provided with a fixed frame at one end, and the upper surface of the base is provided with a movable frame at the other end; The upper end of the fixed frame is provided with a fixed clamping mechanism on one side, which is used for clamping one side of the tee joint; The movable frame is provided as a movable structure, and the movable frame is limited after moving through the limiting mechanism thereon, and the upper end of the movable frame is provided with a movable clamping mechanism on one side, which cooperates with the fixed clamping mechanism to clamp and limit the tee joint.
2. A universal jig for machining of tee joints as claimed in claim 1, wherein: The upper surface of the base is provided with a dovetail sliding groove on both sides, and a tooth groove is arranged between the two dovetail sliding grooves, which are used for connecting the movable frame.
3. A universal fixture for machining of tee joints as claimed in claim 1, wherein: The upper end of the fixed frame is fixed with a fixed column, the bottom of the fixed column is fixed with the fixed frame through a reinforcing block, the end of the fixed column is fixed with a connecting block, and the outer side of the connecting block is movably connected with a first clamping plate through a bearing.
4. A universal jig for machining of tee joints as claimed in claim 3, wherein: The connecting block is provided with a recess on one side of the upper end, the recess is provided with a pressing block, one side of the pressing block corresponds to the inner side of the first clamping plate, the other side of the pressing block is provided with a screw groove in the middle, the screw groove is inserted with a screw rod, one end of the screw rod penetrates through the through hole formed in the groove bottom and is movably connected with the connecting block through the bearing, and the end of the screw rod is fixed with a knob.
5. A universal fixture for machining of tee joints as claimed in claim 1, wherein: The bottom end of the movable frame is fixed with a dovetail sliding block on both sides, the dovetail sliding block is located in the dovetail sliding groove, one end of the movable frame is fixed with a protruding block on both sides, two protruding blocks are connected with a clamping plate through a connecting shaft and a torsional spring, one end of the clamping plate is matched with the tooth groove.
6. A universal jig for machining of tee joints as claimed in claim 5, wherein: The upper end of the movable frame is provided with a screw hole, the screw hole is connected with a screw column, one end of the screw column is fixed with a handle, the other end of the screw column is movably connected with a second clamping plate through a bearing, and the outer sides of the second clamping plate and the first clamping plate are bonded with rubber pads.
Citation Information
Patent Citations
Hydraulic pipe joint machining clamp
CN219633137U