Fixture for machining fixing pin hole of threaded assembly part

Abstract

The utility model provides a clamp for machining a fixed pin hole of a threaded assembly part, which comprises a clamp bottom plate, a clamp body and a clamping mechanism which are arranged on the clamp bottom plate, a buffer pull rod detachably connected with the clamp body, and a connecting fork head detachably connected to the free end of the buffer pull rod, wherein the clamping mechanism comprises a clamping seat guide hole piece and a clamping seat chuck, and the free end of the buffer pull rod is matched with the clamping seat chuck through a connecting fork head. According to the clamp, the clamp body and the clamping mechanism are aligned and connected in a matched mode through the buffer pull rod and the connecting fork head, accurate positioning and stable clamping of a threaded assembly part are achieved, a taper pin hole can be smoothly and independently machined while threaded connection can be tightened, the problem that in the prior art, threaded tightening and taper pin installation cannot be met at the same time is effectively solved, and the machining efficiency is improved. And the machining precision and the assembly efficiency are obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, especially relate to a clamp for processing thread assembly fixed pin hole. BACKGROUND

[0002] Thread connection is a commonly used connection method in mechanical devices, with the advantages of convenient disassembly and assembly, reliable connection, etc. However, in some mechanisms that need frequent movement, only relying on thread connection may loosen due to vibration or other factors, affecting the normal operation of the entire mechanism. In order to solve this problem, engineers usually increase taper pin fixing at the thread connection to improve the stability and reliability of the connection.

[0003] However, in actual application, this thread connection plus taper pin fixing method has a technical problem: how to ensure that the thread connection is tightened while the taper pin is successfully installed. The traditional processing method is to first complete the internal and external thread processing of the two parts, and then tighten the two parts before drilling the taper pin hole. However, this method has the following problems: the hole for fixing the taper pin cannot be processed alone, and the taper pin hole can only be matched after the two parts are tightened, otherwise the thread cannot be tightened or the taper pin cannot be installed.

[0004] Therefore, there is an urgent need for a device that can simultaneously ensure thread tightening and smooth installation of the taper pin, so that the threads of the two parts can be tightened and the taper pin can be successfully installed. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to solve the above-mentioned technical problems and provide a clamp that can simultaneously ensure thread tightening and separate processing of the taper pin.

[0006] The technical solution adopted by the utility model to solve its technical problem is:

[0007] A clamp for processing thread assembly fixed pin hole, comprising: a clamp base plate; a clamp body provided on the clamp base plate; a buffer pull rod detachably connected with the clamp body; a clamping mechanism provided on the clamp base plate, the clamping mechanism comprising a clamping seat guide hole member and a clamping seat chuck; a connecting fork head detachably connected at the free end of the buffer pull rod; wherein the free end of the buffer pull rod is matched with the clamping seat chuck through the connecting fork head.

[0008] Preferably, it further comprises a pressing plate for fixing the buffer pull rod on the clamp body.

[0009] Preferably, it further comprises a locking mechanism detachably connected with the clamping seat guide hole member, for locking the relative position of the clamping seat chuck and the connecting fork head.

[0010] Preferably, the locking mechanism comprises a locking screw seat adjustably mounted on the clamping seat guide hole member, and a locking screw connected at one end to the locking screw seat and at the other end to the clamping seat chuck.

[0011] Preferably, the clamp body is provided with a pull rod slot for accommodating the buffer pull rod, and the clamping seat guide hole member is provided with a guide hole slot for accommodating the clamping seat chuck.

[0012] Preferably, the clamp body and the clamping seat guide hole member are fixed to the clamp base plate by a first fastener.

[0013] Preferably, the pressing plate is fixed to the clamp body by a second fastener.

[0014] Preferably, the free end of the buffer pull rod and the connecting fork are connected by a threaded connection.

[0015] The utility model discloses the beneficial effect is:

[0016] The utility model discloses a clamp, which comprises a clamp base plate, a clamp body, a clamping mechanism, a buffer pull rod, a connecting fork, a pressing plate, a first fastener, a second fastener and a first connecting hole. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the structure explosion map of the clamp in example 1.

[0018] Fig. 2 It is the working state diagram of the clamp in example 1.

[0019] The above reference signs: 1, clamp base plate;11, first connecting hole;2, clamp body;21, first screw;22, first screw hole;23, pull rod slot;3, buffer pull rod;31, round head end;32, threaded end;4, pressing plate;41, pressing plate hole;5, second screw;6, connecting fork;61, fork hole;62, opposite hole;63, taper pin hole;7, clamping seat guide hole member;71, guide hole slot;8, clamping seat chuck;81, concave groove;82, locking screw slot;9, locking screw;10, locking screw seat;101, bolt. DETAILED DESCRIPTION

[0020] The utility model makes further explanation to the utility model in combination with the drawings and examples, but these specific implementation schemes do not limit the protection scope of the utility model in any way.

[0021] Example 1

[0022] As Figs. 1-2As shown, a clamp for machining threaded assembly fixing pin hole, including clamp base plate 1; clamp body 2 provided on the clamp base plate 1; with the clamp body 2 detachable connection buffer pull rod 3; setting on the clamp base plate 1 clamping mechanism, clamping mechanism includes clamping seat guide hole part 7 and clamping seat chuck 8; connecting fork head 6, detachably connected in the free end of the buffer pull rod 3; wherein, the free end of the buffer pull rod 3 through the connecting fork head 6 and clamping seat chuck 8 cooperation. The clamp above through accurate positioning and stable clamping system realizes the fastening of threaded connection and the accurate positioning of taper pin hole 63, effectively solves the problem that the threaded tightening and taper pin machining and installation are difficult to consider in the prior art, improves the machining precision and production efficiency.

[0023] In this embodiment, the clamp base plate 1 is rectangular structure, six first connecting holes 11 are opened on the clamp base plate 1, which are used for fixing other components. The clamp base plate 1 is made of high strength alloy material, which ensures the stability and rigidity of the whole clamp structure.

[0024] The clamp body 2 is fixed on the clamp base plate 1 and connected with the base plate through four first screws 21. The clamp body 2 is provided with four first screw holes 22 from top to bottom, which are accurately aligned with the first connecting holes 11 on the clamp base plate 1. The clamp body 2 is provided with a through pull rod slot 23 inside, which is used for placing the buffer pull rod 3, so as to ensure that the buffer pull rod 3 can be stably placed.

[0025] In this embodiment, one end of the buffer pull rod 3 is a round head end 31, and the other end is a threaded end 32. The threaded end 32 of the buffer pull rod 3 penetrates the clamp body 2, and the round head end 31 is located on one side of the clamp body 2. In order to fix the buffer pull rod 3, a pressing plate 4 is arranged on one side of the round head end 31. The pressing plate 4 is provided with a pressing plate hole 41, which corresponds to the second screw 5 hole on the clamp body 2. The second screw 5 passes through the pressing plate hole 41 and the hole on the clamp body 2 to fix the pressing plate 4 on the side of the clamp body 2, and at the same time, the pressing plate 4 presses the round head end 31 of the buffer pull rod 3 on the side of the clamp body 2, so as to ensure the stability of the buffer pull rod 3.

[0026] The connecting fork head 6 is connected with the threaded end 32 of the buffer pull rod 3. The connecting fork head 6 is in U-shaped structure, and the bottom of the connecting fork head 6 is provided with a fork hole 61, which is used for connecting with the threaded end 32 of the buffer pull rod 3. The other two ends of the connecting fork head 6 are provided with opposite holes 62.

[0027] In this embodiment, the clamping seat guide hole part 7 is fixed on the clamp base plate 1 and connected with the base plate through two first screws 21. The clamping seat guide hole part 7 is provided with two first screw holes 22 from top to bottom, which are accurately aligned with the first connecting holes 11 on the clamp base plate 1. The clamping seat guide hole part 7 is provided with a through guide hole slot 71 inside, which is used for installing the clamping seat chuck 8. Two bolt holes 101 are respectively arranged on the two sides of the guide hole slot 71, which are used for fixing the locking screw seat 10.

[0028] Clamping seat chuck 8 is installed in the guide hole groove 71, one side of which is provided with a concave groove 81, which matches the structure of the connecting fork head 6. The other side of the clamping seat chuck 8 is provided with a locking screw groove 82, which is used to install one end of the locking screw 9, and the other end of the locking screw 9 is installed on the locking screw seat 10.

[0029] The middle of the locking screw seat 10 is provided with a locking screw hole 101 for installing the locking screw 9. The two sides of the locking screw hole 101 are provided with bolt holes 101 corresponding to the bolt holes on the clamping seat guide hole part 7. By passing the bolt through these holes, the locking screw seat 10 is connected with the clamping seat guide hole part 7, and at the same time the locking screw 9 is firmly fixed in the clamping seat guide hole part 7 together with the clamping seat chuck 8.

[0030] In specific operation, first, the buffer pull rod 3 is placed in the pull rod groove 23 of the clamp body 2, and the round head end 31 is fixed with the pressing plate 4. Then, the connecting fork head 6 is connected with the threaded end 32 of the buffer pull rod 3. Next, adjust the position of the clamping seat chuck 8, so that the connecting fork head 6 smoothly enters the clamping seat chuck 8 and is tightly pressed. Finally, by adjusting the locking screw 9, it is ensured that the connecting fork head 6 is firmly clamped.

[0031] After the above steps are completed, the whole device forms a stable machining platform, and the operator can use the bench drill to accurately process the taper pin hole 63 of the connecting fork head 6, ensuring the stability and accuracy of the workpiece during machining, greatly improving the machining efficiency and product quality.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements fall within the scope of the claimed invention.

Claims

1. A fixture for machining a threaded fitting anchor pin hole, characterized by, Comprise: A clamp base plate; A clamp body arranged on the clamp base plate; A buffer pull rod detachably connected with the clamp body; A clamping mechanism arranged on the clamp base plate, the clamping mechanism comprising a clamping seat guide hole member and a clamping seat chuck; A connecting fork head, which is detachably connected to the free end of the buffer pull rod; Wherein, the free end of the buffer pull rod is matched with the clamping seat chuck through the connecting fork head.

2. The fixture for machining a threaded fitting anchor pin hole according to claim 1, wherein Further comprising a pressing plate for fixing the buffer pull rod on the clamp body.

3. The fixture for machining a threaded fitting anchor pin hole according to claim 2, wherein Further comprising a locking mechanism, which is detachably connected with the clamping seat guide hole member, for locking the relative position of the clamping seat chuck and the connecting fork head.

4. The fixture for machining a threaded fitting anchor pin hole according to claim 3, wherein The locking mechanism comprises: A locking screw seat adjustably mounted on the clamping seat guide hole member; A locking screw, one end of which is connected with the locking screw seat and the other end of which is connected with the clamping seat chuck.

5. The clamp for machining the threaded fitting fixing pin hole according to claim 1, wherein, The clamp body is provided with a pull rod groove for accommodating the buffer pull rod; The clamping seat guide hole member is provided with a guide hole groove for accommodating the clamping seat chuck.

6. A fixture for machining a threaded fitting anchor pin hole according to any one of claims 1 to 5, characterized in that, The clamp body and the clamping seat guide hole member are fixed on the clamp base plate through a first fastener.

7. The fixture for machining a threaded fitting anchor pin hole according to claim 2, wherein The pressing plate is fixed on the clamp body through a second fastener.

8. A fixture for machining pin holes of threaded fittings according to any one of claims 1-7, characterized in that, The connecting fork head and the free end of the buffer pull rod are connected through threads.

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