Anti-interference inner supporting clamp for external thread machining

Abstract

The anti-interference inner supporting clamp comprises a supporting seat and an upper cover which are fixedly connected, a sinking groove is formed in the top of the upper cover, the inner surface wall of the upper cover is slidably connected with multiple sets of matching frames through multiple sets of sliding grooves, the tops of the multiple sets of matching frames are fixedly connected with inner supporting blocks, and the inner supporting blocks are fixedly connected with the inner supporting blocks. Springs are fixedly connected between the multiple sets of matching frames and the inner surface wall of the upper cover, and a push seat in sliding fit with the inclined faces of the multiple sets of matching frames is arranged below the upper cover. According to the clamp, the outer base is fixed through screwing of the locking rods and the screw holes, then position locking of the multiple sets of inner supporting blocks is achieved, at the moment, the multiple sets of inner supporting blocks abut against the inner surface wall of the part, positioning of the part is achieved, interference between components on the clamp and the part is prevented, meanwhile, stable positioning of the part is achieved, and the work efficiency is improved. And the device can adapt to machining of parts of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of external thread processing, in particular to an anti-interference inner support clamp used for external thread processing. Background Art

[0002] In the actual production process of mechanical manufacturing, we will encounter the situation of processing threads. Threads are divided into internal threads and external threads. In actual operation, for internal threads, a fixture is used to clamp the outer circle of the product, first the inner hole is turned, and finally the threads are turned or tapped to finally achieve the effect of internal threads of the product. However, when processing external threads, there is no place to clamp, so an internal support fixture is needed.

[0003] Chinese patent publication number CN217571830U, publication time 20221014, discloses a tooling fixture for thread processing of a spinning component shell, comprising a rotating disk, a plug-in slot is provided in the center of the rotating disk, a positioning seat is provided in the plug-in slot, a workpiece is sleeved on the positioning seat, and the outer cylindrical surface of the workpiece is clamped by a plurality of hydraulic claws, and the plurality of hydraulic claws are arranged around at equal intervals.

[0004] For example, the top of the existing internal support clamp for external thread processing is usually provided with a protruding pull rod, which may interfere with the hexagonal boss on the part. Therefore, it is urgent to propose a corresponding anti-interference internal support clamp for external thread processing to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the above problems and provides an anti-interference inner support clamp for external thread processing.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An anti-interference internal support clamp for external thread processing comprises a fixedly connected support seat and an upper cover, the top of the upper cover is provided with a sinking groove, the inner surface wall of the upper cover is slidably connected to multiple groups of matching frames through multiple groups of sliding grooves, the tops of the multiple groups of matching frames are fixedly connected with internal support blocks, and springs are fixedly connected between the multiple groups of matching frames and the inner surface wall of the upper cover, a push seat is arranged below the upper cover and is slidably matched with the inclined surfaces of the multiple groups of matching frames, and a positioning component for positioning the push seat is arranged on the outer surface wall of the support seat.

[0008] Preferably, the outer wall of the upper cover is fixedly connected with a strap, and the strap is fixedly connected to the outer wall of the support seat via a fastening rod.

[0009] Preferably, the cross section of the slide groove is a cross-shaped structure, and the outer wall of the matching frame is fixedly connected with a protrusion, and the protrusion and the outer wall of the matching frame are both slidably matched with the slide groove.

[0010] Preferably, the outer walls of the arc-shaped ends of the multiple groups of inner support blocks are all fixedly connected with rubber pads.

[0011] Preferably, the positioning assembly includes an outer seat, which is fixedly connected to the push seat through a connecting rod, and the outer wall of the connecting rod is slidably connected to the inner wall of the support seat through a vertically arranged strip groove, the inner wall of the outer seat is screwed with a locking rod, and the locking rod is slidably connected to the inner wall of the support seat through a screw hole, and the screw holes are provided in multiple groups, and the multiple groups of screw holes are distributed vertically linearly.

[0012] Preferably, a side of the support base close to the positioning assembly is configured to be a plane.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. In the present application, the parts to be processed are placed on the top of the upper cover, and the hexagonal bosses on the parts are combined with the inside of the sinking groove to prevent interference. At this time, multiple groups of inner supports are quickly placed inside the parts, and the connecting rod is driven to move vertically through the outer seat. The connecting rod is linked to the push seat, and the push seat slides with the inclined surface of the multiple groups of matching frames, thereby driving the multiple groups of matching frames and the corresponding inner support blocks to expand outward. The matching frames slide with the slide grooves and stretch the corresponding springs until the outer seat corresponds to the corresponding screw holes. The outer seat is fixed by screwing the locking rod with the screw holes, and then the positions of the multiple groups of inner support blocks are locked. At this time, the multiple groups of inner support blocks are all in contact with the inner wall of the parts, thereby realizing the positioning of the parts, thereby preventing the components on the fixture from interfering with the parts, and realizing stable positioning of the parts, and being able to adapt to the processing of parts of different sizes.

[0015] 2. In the present application, the cooperation between the upper cover and the support seat is achieved by the cooperation between the strap and the fastening rod, which not only ensures the overall structural strength of the internal support clamp, but also ensures the convenience of subsequent disassembly and assembly of the support seat and the upper cover to carry out inspection and maintenance of the internal components of the support seat, thereby improving the convenience of using the anti-interference internal support clamp for external thread processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0017] Figure 2 A schematic diagram of a push seat structure provided according to an embodiment of the utility model is shown;

[0018] Figure 3 A schematic diagram of a slide structure provided according to an embodiment of the utility model is shown;

[0019] Figure 4 A schematic diagram of a bump structure provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Support seat; 2. Bump; 3. Plane; 4. External seat; 5. Locking rod; 6. Screw hole; 7. Upper cover; 8. Internal support block; 9. Sinking groove; 10. Lap; 11. Matching frame; 12. Push seat; 13. Connecting rod; 14. Slide groove; 15. Spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] An anti-interference inner support fixture for external thread processing, comprising a support seat 1 and an upper cover 7 that are fixedly connected, a sinking groove 9 is provided on the top of the upper cover 7, a plurality of groups of matching frames 11 are slidably connected to the inner surface wall of the upper cover 7 through a plurality of groups of sliding grooves 14, an inner support block 8 is fixedly connected to the top of the plurality of groups of matching frames 11, and a spring 15 is fixedly connected between the plurality of groups of matching frames 11 and the inner surface wall of the upper cover 7, a push seat 12 that is slidably matched with the inclined surface of the plurality of groups of matching frames 11 is provided below the upper cover 7, and a positioning component for positioning the push seat 12 is provided on the outer surface wall of the support seat 1;

[0025] The parts to be processed are placed on the top of the upper cover 7, and the hexagonal bosses on the parts are combined with the inside of the sinking groove 9 to prevent interference. At this time, multiple groups of inner support blocks 8 are placed inside the parts, and the connecting rod 13 is driven to move vertically through the outer seat 4. The connecting rod 13 is linked to the push seat 12, and the push seat 12 slides with the inclined surface of the multiple groups of matching frames 11, thereby driving the multiple groups of matching frames 11 and the corresponding inner support blocks 8 to expand outward. The matching frames 11 slide with the slide grooves 14 and stretch the corresponding springs 15 until the outer seat 4 corresponds to the corresponding screw holes 6. The outer seat 4 is fixed by screwing the locking rod 5 with the screw holes 6, and then the positions of the multiple groups of inner support blocks 8 are locked. At this time, the multiple groups of inner support blocks 8 are all in contact with the inner surface wall of the part, thereby realizing the positioning of the part, thereby preventing the components on the fixture from interfering with the parts, and realizing the stable positioning of the parts, and being able to adapt to the processing of parts of different sizes.

[0026] Specifically, Figure 2 and Figure 4As shown, the outer wall of the upper cover 7 is fixedly connected with a strap 10, and the strap 10 is fixedly connected to the outer wall of the support seat 1 through a fastening rod. The cooperation between the strap 10 and the fastening rod is realized between the upper cover 7 and the support seat 1, thereby ensuring the overall structural strength of the internal support clamp and ensuring the convenience of subsequent disassembly and assembly of the support seat 1 and the upper cover 7, so as to carry out inspection and maintenance of the internal components of the support seat 1, thereby improving the convenience of using the anti-interference internal support clamp for external thread processing.

[0027] Specifically, Figure 2 and Figure 3 As shown, the cross section of the slide groove 14 is a cross-shaped structure, and the outer wall of the matching frame 11 is fixedly connected with a protrusion 2. The protrusion 2 and the outer wall of the matching frame 11 are slidably matched with the slide groove 14, which does not affect the horizontal sliding of the matching frame 11 and limits the vertical position of the matching frame 11. The outer walls of the arc-shaped ends of the multiple groups of inner support blocks 8 are fixedly connected with rubber pads to ensure the stability of the positioning of the parts. The positioning component includes an outer seat 4, which is fixedly connected to the push seat 12 through a connecting rod 13, and the outer wall of the connecting rod 13 is slidably connected to the inner wall of the support seat 1 through a vertically arranged strip groove. The inner wall of the outer seat 4 is screwed and connected with a locking rod 5, and the locking rod 5 is screwed through a screw hole 6 is slidably connected to the inner surface wall of the support seat 1, and there are multiple groups of screw holes 6, and the multiple groups of screw holes 6 are distributed vertically linearly. The connecting rod 13 is driven by the outer seat 4 to move vertically, and the connecting rod 13 is linked to the push seat 12. The push seat 12 slides on the inclined surface of the multiple groups of matching frames 11, thereby driving the multiple groups of matching frames 11 and the corresponding inner support blocks 8 to expand outward until the outer seat 4 corresponds to the corresponding screw holes 6. The outer seat 4 is fixed by screwing the locking rod 5 with the screw holes 6, and then the position of the multiple groups of inner support blocks 8 is locked. The side of the support seat 1 close to the positioning component is set as a plane 3, so as to further ensure the stability of the cooperation between the outer seat 4 and the support seat 1.

[0028] Working principle: Place the parts to be processed on the top of the upper cover 7, and the hexagonal boss on the parts is combined with the inside of the sinking groove 9 to prevent interference. At this time, multiple groups of inner support blocks 8 are placed inside the parts, and the connecting rod 13 is driven to move vertically through the outer seat 4. The connecting rod 13 links the push seat 12, and the push seat 12 slides on the inclined surface of the multiple groups of matching frames 11, thereby driving the multiple groups of matching frames 11 and the corresponding inner support blocks 8 to expand outward. The matching frame 11 and the slide groove 14 slide and stretch the corresponding spring 15 until the outer seat 4 corresponds to the corresponding screw hole 6, and the outer seat 4 is fixed by the screwing of the locking rod 5 and the screw hole 6. Then, the positions of multiple groups of inner support blocks 8 are locked. At this time, multiple groups of inner support blocks 8 are all in contact with the inner surface wall of the part, so as to realize the positioning of the part, thereby preventing the components on the fixture from interfering with the parts, and realizing the stable positioning of the parts, and being able to adapt to the processing of parts of different sizes. The cooperation between the upper cover 7 and the support seat 1 is realized through the cooperation of the strap 10 and the fastening rod, thereby ensuring the overall structural strength of the inner support fixture and ensuring the convenience of subsequent disassembly and assembly of the support seat 1 and the upper cover 7, so as to carry out inspection and maintenance of the internal components of the support seat 1, thereby improving the convenience of using the anti-interference inner support fixture for external thread processing.

[0029] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-interference internal support fixture for external thread processing, comprising a support seat (1) and an upper cover (7) fixedly connected, characterized in that: The top of the upper cover (7) is provided with a sinking groove (9), and the inner surface wall of the upper cover (7) is slidably connected to multiple groups of matching frames (11) through multiple groups of sliding grooves (14). The tops of the multiple groups of matching frames (11) are fixedly connected with inner support blocks (8), and springs (15) are fixedly connected between the multiple groups of matching frames (11) and the inner surface wall of the upper cover (7). A push seat (12) that slidably cooperates with the inclined surfaces of the multiple groups of matching frames (11) is arranged below the upper cover (7), and a positioning component for positioning the push seat (12) is arranged on the outer surface wall of the support seat (1).

2. The anti-interference inner support fixture for external thread processing according to claim 1, characterized in that: The outer wall of the upper cover (7) is fixedly connected with a strap (10), and the strap (10) is fixedly connected to the outer wall of the support seat (1) via a fastening rod.

3. The anti-interference inner support fixture for external thread processing according to claim 2, characterized in that: The cross section of the slide groove (14) is a cross-shaped structure, and the outer wall of the matching frame (11) is fixedly connected with a protrusion (2), and the protrusion (2) and the outer wall of the matching frame (11) are both slidably matched with the slide groove (14).

4. The anti-interference inner support fixture for external thread processing according to claim 3, characterized in that: The outer walls of the arc-shaped ends of the plurality of groups of inner support blocks (8) are all fixedly connected with rubber pads.

5. The anti-interference inner support fixture for external thread processing according to claim 4, characterized in that: The positioning assembly comprises an outer seat (4), the outer seat (4) is fixedly connected to the push seat (12) via a connecting rod (13), and the outer wall of the connecting rod (13) is slidably connected to the inner wall of the support seat (1) via a vertically arranged strip groove, the inner wall of the outer seat (4) is screwed with a locking rod (5), and the locking rod (5) is slidably connected to the inner wall of the support seat (1) via a screw hole (6), and the screw holes (6) are provided in a plurality of groups, and the plurality of groups of screw holes (6) are vertically linearly distributed.

6. The anti-interference inner support fixture for external thread processing according to claim 5, characterized in that: A side of the support seat (1) close to the positioning assembly is configured as a plane (3).

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