Cutter bar connecting structure of welding type single-blade gun drill

Abstract

The utility model discloses a cutter bar connecting structure of a welding type single-blade gun drill, and relates to the technical field of single-blade gun drill machining. The single-blade gun drill comprises a single-blade gun drill and a movable clamping sleeve, a containing groove is formed in the position of a middle shaft in the movable clamping sleeve, a cutter bar is arranged in the containing groove, the bottom of the cutter bar is fixedly connected with the top of the single-blade gun drill, an annular groove is formed in the top of the movable clamping sleeve, a threaded ring is in threaded connection with the interior of the annular groove, and the threaded ring is fixedly connected with the top of the single-blade gun drill. The top of the threaded ring extends to the outer side of the upper portion of the movable clamping sleeve, and the extending portion of the threaded ring is fixedly connected with a rotating ring. According to the utility model, the movable clamping sleeve is arranged, specifically, the cutter bar is fixed through the movable clamping sleeve and the clamping sleeve, then deep hole machining is carried out on a large lathe, the clamping is more convenient, the adjustment time is shortened, so that the production efficiency is improved, the movable clamping sleeve can also be separated from the cutter bar, the carrying is convenient, and the occupied space is small.

Description

Technical Field

[0001] The utility model belongs to the technical field of single-edge gun drill processing, in particular to a cutter rod connection structure of a welded single-edge gun drill. Background Art

[0002] It is well known that the welded single-edge gun drill is a tool used for deep hole processing. It is mainly composed of a cutter head, a tool rod and a tool handle. The ability of the welded single-edge gun drill to process small-diameter precision deep holes makes it widely used in energy, automobile, aviation, mold and other industries.

[0003] When it is necessary to use a single-edge gun drill on a large machine tool to process a deep hole with a small diameter, the clamping tool of the large machine tool is too large, and the shank diameter of the single-edge gun drill is small, making it difficult to clamp. The time for adjusting the clamping is very long, thus affecting production efficiency. Summary of the invention

[0004] The purpose of the utility model is to provide a tool rod connection structure for a welded single-edge gun drill, by setting an active clamping sleeve, specifically, fixing the tool rod through an active clamping sleeve and a clamping sleeve, and then clamping a large lathe for deep hole processing, which makes clamping more convenient and improves production efficiency by shortening the adjustment time. The active clamping sleeve can also be separated from the tool rod, which is convenient to carry and occupies little space. It solves the problem that when a single-edge gun drill is needed to process a deep hole with a small diameter on a large machine tool, the clamping tool of the large machine tool is too large, and the tool rod diameter of the single-edge gun drill is small, which is not easy to clamp, and the time for adjusting the clamping is very long, thereby affecting production efficiency.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a tool rod connection structure of a welded single-edge gun drill, comprising a single-edge gun drill and a movable clamping sleeve, a placement groove is provided at the inner central axis of the movable clamping sleeve, a tool rod is arranged inside the placement groove, the bottom of the tool rod is fixedly connected to the top of the single-edge gun drill, an annular groove is provided at the top of the movable clamping sleeve, a threaded ring is connected to the inner thread of the annular groove, the top of the threaded ring extends to the upper outer side of the movable clamping sleeve, a rotating ring is fixedly connected to the extended part of the threaded ring, a movable groove is respectively provided on the left and right sides of the inner central axis of the movable clamping sleeve, connecting rods are slidably arranged inside the two movable grooves, a spring is sleeved on the outer surface of the connecting rod, the left end of the spring is fixedly connected to the left inner wall of the movable groove, an end of the spring away from the left inner wall of the movable groove is fixedly connected to an extrusion plate, the extrusion plate is fixedly connected to the outer surface of the connecting rod, an end of the extrusion plate away from the spring is fixedly connected to a conical block, the side of the threaded ring close to the conical block is conical, and the end of the connecting rod away from the conical block is fixedly connected to a clamping block 1.

[0007] Furthermore, sliding grooves are provided on the front and back sides of the central axis inside the movable clamping sleeve, and adjusting rods are slidably connected inside the two sliding grooves. The tops of the two adjusting rods extend to the outside of the upper side of the movable clamping sleeve, and the extension parts of the two adjusting rods are fixedly connected to the clamping sleeve.

[0008] Furthermore, the movable clamping sleeve is provided with screw holes on the front and back sides, and screws are threadedly connected inside the two screw holes. The outer surfaces of the two adjusting rods are provided with a plurality of positioning grooves, and pressure plates are slidably connected inside the positioning grooves.

[0009] Furthermore, movable grooves are provided on the front and back sides of the movable clamping sleeve close to the adjusting rod, and the two movable grooves are respectively slidably connected to two pressure plates, and the ends of the two pressure plates away from the adjusting rod are fixedly connected to the back sides of the screws.

[0010] Furthermore, an insertion groove is provided at the central axis of the clamping sleeve, a placement hole is provided inside the clamping sleeve, a threaded hole is provided on the front side of the clamping sleeve, and a threaded rod is threadedly connected inside the threaded hole.

[0011] Furthermore, a connecting plate is fixedly connected to one side of the threaded rod away from the outer surface of the clamping sleeve, two rotating rods are fixedly connected to the top of the connecting plate, and two connecting rods are arranged on the top of the connecting plate.

[0012] Furthermore, the internal placement hole of the clamping sleeve is provided with two clamping blocks 2, the tops of the two clamping blocks 2 are fixedly connected with rotating rods, and the two connecting rods are provided with a plurality of positioning holes on both sides close to the connecting plate and the clamping blocks 2, and the positioning holes are rotatably connected to the outer surface of the rotating rod.

[0013] Furthermore, a plurality of limit plates are fixedly connected to the bottom of the placement hole inside the clamping sleeve, and the two ends of the limit plates close to each other are slidably connected to one end of the clamping block 2 close to the connecting plate and one end away from the connecting plate.

[0014] The utility model has the following beneficial effects:

[0015] The utility model arranges a movable clamping sleeve, specifically, fixes the tool rod through the movable clamping sleeve and the clamping sleeve, and then performs deep hole processing on a clamping large lathe. The clamping is more convenient and the adjustment time is shortened, thereby improving the production efficiency. The movable clamping sleeve can also be separated from the tool rod, which is convenient to carry and occupies little space.

[0016] The utility model sets an adjustment rod, specifically, cancels the fixation of the adjustment rod by turning the screw counterclockwise, and then the movable clamping sleeve can be moved closer to or away from the clamping sleeve. By adjusting the movable clamping sleeve, a longer tool rod can be clamped more stably, and the size of the single-edge gun drill when processing deep holes will not be affected.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the movable clamping sleeve of the utility model;

[0021] Figure 3 For this utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0022] Figure 4 It is a right side sectional structural schematic diagram of the movable clamping sleeve of the utility model;

[0023] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure of B;

[0024] Figure 6 It is a schematic diagram of the top view and cross-sectional structure of the clamping sleeve of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Single-edge gun drill; 11. Cutter bar; 2. Movable clamping sleeve; 21. Threaded ring; 22. Swivel;

[0027] 23. Clamping block 1; 24. Connecting rod; 25. Spring; 26. Conical block; 27. Extrusion plate; 28.

[0028] Screw; 29, pressure plate; 3, clamping sleeve; 31, adjustment rod; 32, threaded rod; 33, connecting plate; 34

[0029] , connecting rod; 35, clamping block 2; 36, limiting plate. DETAILED DESCRIPTION

[0030] 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 them. Based on the embodiments in 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.

[0031] See also Figure 1-6As shown, the utility model is a tool rod connection structure of a welded single-edge gun drill, comprising a single-edge gun drill 1 and a movable clamping sleeve 2, a placement groove is provided at the inner central axis of the movable clamping sleeve 2, a tool rod 11 is provided inside the placement groove, the bottom of the tool rod 11 is fixedly connected to the top of the single-edge gun drill 1, an annular groove is provided at the top of the movable clamping sleeve 2, a threaded ring 21 is connected to the inner thread of the annular groove, the top of the threaded ring 21 extends to the outer side of the upper part of the movable clamping sleeve 2, and a swivel 22 is fixedly connected to the extended part of the threaded ring 21, and a movable groove is provided on the left and right sides of the inner central axis of the movable clamping sleeve 2 respectively, a connecting rod 24 is slidably provided inside the two movable grooves, a spring 25 is sleeved on the outer surface of the connecting rod 24, and the left end of the spring 25 is connected to the left side of the movable groove The inner wall is fixedly connected, and one end of the spring 25 away from the inner wall of the left side of the moving groove is fixedly connected with an extrusion plate 27. Through the spring 25, when the extrusion plate 27 moves, it will not affect the movement of the extrusion plate 27. During the movement of the extrusion plate 27, the spring 25 will be squeezed. When the squeezing force disappears, the rebound force of the spring 25 will make the extrusion plate 27 return to its original position. The extrusion plate 27 is fixedly connected to the outer surface of the connecting rod 24, so that the extrusion plate 27 and the connecting rod 24 move together. The end of the extrusion plate 27 away from the spring 25 is fixedly connected with a conical block 26. The side of the threaded ring 21 close to the conical block 26 is conically set. Through the conical setting, when the threaded ring 21 moves downward, it can squeeze the top of the conical block 26 to move the conical block 26, and the connecting rod 24 is away from the conical One end of the block 26 is fixedly connected with a clamping block 23, through which the tool rod 11 can be in close contact with the clamping block 23, so that the tool rod 11 cannot move. By setting a movable clamping sleeve 2, specifically, the tool rod 11 is fixed by the movable clamping sleeve 2 and the clamping sleeve 3, and then deep hole processing is carried out on a clamping large lathe, which is more convenient when clamping, and the production efficiency is improved by shortening the adjustment time. The movable clamping sleeve 2 can also be separated from the tool rod 11, which is convenient to carry and occupies little space. Sliding grooves are provided on the front and back sides of the central axis of the movable clamping sleeve 2. Adjustment rods 31 are slidably connected to the two sliding grooves. The tops of the two adjustment rods 31 extend to the outside of the upper side of the movable clamping sleeve 2. The extensions of the two adjustment rods 31 are fixedly connected to the clamping sleeve 3. The movable clamping sleeve 2 can slide on the outer surface of the adjusting rod 31 through the sliding groove. The movable clamping sleeve 2 is provided with screw holes on the front and back sides. The two screw holes are threadedly connected with screws 28. The outer surfaces of the two adjusting rods 31 are provided with a plurality of positioning grooves. The inner parts of the positioning grooves are slidably connected with pressure plates 29. The movable clamping sleeve 2 is provided with movable grooves on the front and back sides close to the adjusting rod 31. The two movable grooves are slidably connected with two pressure plates 29 respectively. The ends of the two pressure plates 29 away from the adjusting rod 31 are fixedly connected with the back sides of the screws 28. The movable clamping sleeve 2 can be fixed by inserting the pressure plate 29 into the positioning groove. When the pressure plate 29 is away from the positioning groove, the movable clamping sleeve can slide on the outer surfaces of the two adjusting rods 31. By setting the adjusting rod 31,Specifically, the fixation of the movable clamping sleeve 2 is canceled by turning the screw 28 counterclockwise, and then the movable clamping sleeve 2 can be moved closer to or away from the clamping sleeve 3. By adjusting the movable clamping sleeve 2, it can be more stable when clamping a longer tool rod 11, and will not affect the size of the single-edge gun drill 1 when processing a deep hole. An insertion groove is provided at the central axis of the clamping sleeve 3, a placement hole is provided inside the clamping sleeve 3, a threaded hole is provided on the front side of the clamping sleeve 3, a threaded rod 32 is threadedly connected inside the threaded hole, and a connecting plate 33 is fixedly connected to the side of the threaded rod 32 away from the outer surface of the clamping sleeve 3. When the threaded rod 32 moves, the connecting plate 33 can be driven to move, and two rotating rods are fixedly connected to the top of the connecting plate 33, and two connecting rods 34 are provided on the top of the connecting plate 33. The placement hole inside the clamping sleeve 3 is provided with two clamping blocks 33. 5. The tops of the two clamping blocks 35 are fixedly connected with a rotating rod, and the bottoms of the placement holes inside the clamping sleeve 3 are fixedly connected with a plurality of limit plates 36. The two ends of the limit plates 36 that are close to each other are slidably connected with one end of the clamping block 35 that is close to the connecting plate 33 and the other end that is far away from the connecting plate 33. The two connecting rods 34 are provided with a plurality of positioning holes on both sides close to the connecting plate 33 and the clamping block 35. The positioning holes are rotatably connected with the outer surface of the rotating rod. Through the two connecting rods 34, when the connecting plate 33 is far away from the central axis of the clamping sleeve 3, the two connecting rods 34 will be driven to move together. When the positioning holes rotate on the outer surface of the rotating rod, the two connecting rods 34 are close to the central axis of the clamping sleeve 3, and the two clamping blocks 35 are driven to be close to the central axis of the clamping sleeve 3, so as to achieve a linkage effect, so that the two clamping blocks 35 can move simultaneously.

[0032] A specific application of this embodiment is:

[0033] When in use, the tool rod 11 is placed in the holes of the movable clamping sleeve 2 and the clamping sleeve 3, and then the rotating ring 22 is rotated clockwise to drive the threaded ring 21 to spiral downward. The bottom of the threaded ring 21 and the top of the conical block 26 are both conical, so that the threaded ring 21 will squeeze the conical block 26 when it descends, so that the conical block 26 moves toward the tool rod 11. When the conical block 26 moves, it will drive the connecting rod 24 and the clamping block 23 to move toward the tool rod 11 together, so that the two clamping blocks 23 are 23 squeezes and fixes the tool rod 11, and then rotates the threaded rod 32 counterclockwise to drive the connecting plate 33 to move away from the tool rod 11. When the connecting plate 33 moves, it drives the two connecting rods 34 to move closer to each other in the direction of the tool rod 11, thereby driving the clamping block 2 35 to move closer to the tool rod 11, and then squeezes and fixes the tool rod 11, and then clamps the movable clamping sleeve 2 and the clamping sleeve 3 together on the clamping tool of the large lathe to perform deep hole processing. 3 makes it more convenient to clamp the tool bar 11 on a large lathe, shortens the adjustment time, and thus improves production efficiency. By turning the screw 28 counterclockwise, the pressure plate 29 is separated from the hole of the adjusting rod 31, and the fixation of the movable clamping sleeve 2 is cancelled. Then, the movable clamping sleeve 2 can be moved closer to or away from the clamping sleeve 3, and then the screw 28 is turned clockwise to fix the movable clamping sleeve 2, so that the movable clamping sleeve 2 is fixed. By adjusting the movable clamping sleeve 2, it can be more stable when clamping a longer tool bar 11, and will not affect the size of the single-edged gun drill 1 when processing deep holes. After the processing is completed, the threaded rod 32 is turned clockwise to move the connecting plate 33 toward the tool bar 11, so that the two clamping blocks 2 35 are separated from the tool bar 11, and the fixation of the tool bar 11 is cancelled. The swivel 22 is turned counterclockwise to separate the threaded ring 21 from the tapered block 26, and the clamping block 1 23 will be rebounded by the rebound force of the spring 25, thereby canceling the fixation of the tool bar 11, and then the tool bar 11 is taken out.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tool rod connection structure of a welded single-edge gun drill, comprising a single-edge gun drill (1) and a movable clamping sleeve (2), wherein a placement groove is provided at the central axis of the movable clamping sleeve (2), a tool rod (11) is provided inside the placement groove, and the bottom of the tool rod (11) is fixedly connected to the top of the single-edge gun drill (1), characterized in that: The top of the movable clamping sleeve (2) is provided with an annular groove, the inner thread of the annular groove is connected with a threaded ring (21), the top of the threaded ring (21) extends to the upper outer side of the movable clamping sleeve (2), the extended part of the threaded ring (21) is fixedly connected with a rotating ring (22), the movable clamping sleeve (2) is provided with a movable groove on the left and right sides of the central axis, the two movable grooves are provided with connecting rods (24) slidably arranged inside, the outer surface of the connecting rod (24) is provided with a spring (25), the spring The left end of the spring (25) is fixedly connected to the left inner wall of the movable groove; the end of the spring (25) away from the left inner wall of the movable groove is fixedly connected to an extrusion plate (27); the extrusion plate (27) is fixedly connected to the outer surface of the connecting rod (24); the end of the extrusion plate (27) away from the spring (25) is fixedly connected to a conical block (26); the side of the threaded ring (21) close to the conical block (26) is conically arranged; the end of the connecting rod (24) away from the conical block (26) is fixedly connected to a clamping block 1 (23).

2. The tool rod connection structure of a welded single-edge gun drill according to claim 1, characterized in that: The movable clamping sleeve (2) is provided with sliding grooves on the front and back sides of the central axis thereof, and two adjusting rods (31) are slidably connected to the inside of the two sliding grooves. The tops of the two adjusting rods (31) extend to the outside of the upper side of the movable clamping sleeve (2), and the extensions of the two adjusting rods (31) are fixedly connected to the clamping sleeve (3).

3. The tool rod connection structure of a welded single-edge gun drill according to claim 2, characterized in that: The movable clamping sleeve (2) is provided with screw holes on the front and back sides, and screws (28) are threadedly connected inside the two screw holes. The outer surfaces of the two adjustment rods (31) are provided with a plurality of positioning grooves, and pressure plates (29) are slidably connected inside the positioning grooves.

4. The tool bar connection structure of a welded single-edge gun drill according to claim 3, characterized in that: The movable clamping sleeve (2) is provided with movable grooves on the front and back sides close to the adjusting rod (31), and the two movable grooves are respectively slidably connected to two pressing plates (29), and the ends of the two pressing plates (29) away from the adjusting rod (31) are fixedly connected to the back sides of the screws (28).

5. The tool bar connection structure of a welded single-edge gun drill according to claim 4, characterized in that: An insertion groove is provided at the center axis of the clamping sleeve (3), a placement hole is provided inside the clamping sleeve (3), a threaded hole is provided on the front side of the clamping sleeve (3), and a threaded rod (32) is threadedly connected inside the threaded hole.

6. The tool bar connection structure of a welded single-edge gun drill according to claim 5, characterized in that: A connecting plate (33) is fixedly connected to one side of the threaded rod (32) away from the outer surface of the clamping sleeve (3), two rotating rods are fixedly connected to the top of the connecting plate (33), and two connecting rods (34) are arranged on the top of the connecting plate (33).

7. The tool bar connection structure of a welded single-edge gun drill according to claim 6, characterized in that: The internal placement hole of the clamping sleeve (3) is provided with two clamping blocks (35), the tops of the two clamping blocks (35) are fixedly connected with rotating rods, and the two connecting rods (34) are provided with a plurality of positioning holes on both sides close to the connecting plate (33) and the clamping blocks (35), and the positioning holes are rotatably connected to the outer surface of the rotating rod.

8. The tool bar connection structure of a welded single-edge gun drill according to claim 7, characterized in that: A plurality of limit plates (36) are fixedly connected to the bottom of the placement hole inside the clamping sleeve (3), and two ends of the limit plates (36) close to each other are slidably connected to one end of the clamping block 2 (35) close to the connecting plate (33) and one end away from the connecting plate (33).

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