Clamping device for boring and reaming machine and boring and reaming machine

Abstract

The utility model relates to the technical field of valve body machining equipment, and provides a clamping device for a boring and reaming machine and the boring and reaming machine. The clamping device for the boring and reaming machine comprises a bottom plate, a first guide seat used for guiding movement of a boring and reaming cutter is arranged on the bottom plate, and a limiting assembly used for limiting a valve body is arranged on the first guide seat. A second guide seat is further movably mounted on the bottom plate through a guide assembly, the second guide seat corresponds to the first guide seat, an ejector block is mounted on the second guide seat, a space for clamping and positioning the valve body is formed between the ejector block and the limiting assembly, and a pushing device is arranged at the end, away from the first guide seat, of the second guide seat. The pushing device is adjustably mounted on the bottom plate, and a movable connecting assembly is arranged between the pushing device and the second guide seat. When workpieces of different specifications and models are machined, adjustment is convenient and fast, the coaxiality of the clamping device is not affected, and the stability of valve body machining quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body processing equipment technical field especially, it relates to a kind of boring and reaming machine clamping device and boring and reaming machine. BACKGROUND

[0002] Hydraulic valve is an automatic component operated by pressure oil, which is controlled by pressure oil of pressure regulating valve, usually combined with electromagnetic pressure regulating valve, and can be used for remote control of on-off of oil, gas and water pipeline system of hydropower station, and is often used for clamping, control, lubrication and other oil circuits, and can be divided into direct-acting type and pilot type, and pilot type is usually used. According to control method, it can be divided into manual, electric control and hydraulic control.

[0003] The valve stem hole of the valve body usually needs to use boring and reaming machine during processing. The boring and reaming machine needs to clamp and fix the valve body during processing. The traditional boring and reaming machine clamping and fixing, as shown in the drawing, includes a front guide seat 100 and a rear guide seat 101. The rear guide seat 101 is movably provided with a guide shaft 103 pushed by an oil cylinder 102. The guide shaft 103 is connected with the piston rod of the oil cylinder 102 through threads. The rear guide seat 101 and the oil cylinder 102 are installed on the base through bolts. The guide shaft 103 and the front guide seat 100 are both provided with stepped positioning parts 104, which are inserted into the two valve stem holes of the valve body to position the valve body. Figure 1 Therefore, the traditional boring and reaming machine clamping has the following defects: when processing workpieces of different specifications, if the width of the workpiece exceeds the stroke of the oil cylinder, it is difficult to ensure the coaxiality of the rear guide seat and the oil cylinder with the front guide seat after adjusting the rear guide seat and the oil cylinder by loosening the bolts, which affects the processing quality. In addition, the valve body is clamped and fixed only by the stepped positioning parts. Since the contact area between the valve body and the stepped positioning parts is limited, the positioning is prone to deviation, which affects the processing accuracy. TECHNICAL SOLUTION

[0004] In order to overcome the defects of the prior art mentioned above, the utility model provides a boring and reaming machine clamping device and a boring and reaming machine. When processing workpieces of different specifications, the adjustment is convenient and fast, and does not affect the coaxiality of the clamping device, which ensures the stability of the valve body processing quality.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0006] The utility model provides a clamping device for boring and reaming machine, including bottom plate, be equipped with first guide seat for boring and reaming tool movement guide on the bottom plate, be equipped with limiting assembly for limiting valve body on the first guide seat, still be equipped with second guide seat through guide assembly swing installation on the bottom plate, the second guide seat is correspondingly arranged with the first guide seat, install the top block on the second guide seat, the space of the top block with limiting assembly forms the valve body clamping positioning between, the one end of second guide seat away from the first guide seat is equipped with pusher, pusher is adjustably installed on the bottom plate, and the movable connecting assembly is equipped between pusher and second guide seat.

[0007] As an improved technical solution, the movable connecting assembly includes a connecting head, one end of the connecting head is connected with the piston rod of the pusher, and the other end abuts against the second guide seat. The end of the connecting head close to the second guide seat is provided with a limiting groove, and a first limiting block is installed on the second guide seat and movably connected with the limiting groove.

[0008] As an improved technical solution, the first limiting block is provided with two and is oppositely installed on both sides of the connecting head.

[0009] The first limiting block includes a body part, the body part is installed on the second guide seat through bolts, and a limiting part extends into the limiting groove from the body part. The limiting part is movably inserted into the limiting groove.

[0010] As an improved technical solution, the limiting assembly includes a fixed block installed on the first guide seat, the fixed block is provided with a hollow positioning sleeve matched with the valve rod hole of the valve body, the first guide seat is provided with a groove avoiding boring and reaming tool, the groove is communicated with the hollow positioning sleeve, and the outer side of the fixed block is sleeved with a second limiting block, and the second limiting block is also installed on the first guide seat.

[0011] As an improved technical solution, along the surface of the first guide seat, the height size of the second limiting block is greater than the height size of the fixed block and less than the height size of the hollow positioning sleeve.

[0012] As an improved technical solution, the guide assembly includes a guide rail, the guide rail is oppositely installed on the bottom plate, a sliding block is slidably installed on the guide rail, and the second guide seat is installed on the sliding block.

[0013] As an improved technical solution, the bottom plate is detachably installed with a backing plate, and the backing plate is arranged between the first guide seat and the guide rail.

[0014] As an improved technical scheme, the bottom plate is provided with a strip-shaped connecting hole opposite to the pushing device, and the connecting bolt of the pushing device passes through the strip-shaped connecting hole and is connected with the locking block at the bottom of the bottom plate.

[0015] The boring and reaming machine comprises the boring and reaming machine clamping device, and one side of the boring and reaming machine clamping device is provided with a movable boring and reaming cutter.

[0016] After the above technical scheme is adopted, the boring and reaming machine clamping device has the following beneficial effects:

[0017] By setting the bottom plate, the first guide seat for guiding the movement of the boring and reaming cutter is arranged on the bottom plate, the boring and reaming cutter can be guided and supported by the first guide seat, the vibration of the boring and reaming cutter during machining is reduced, the limiting assembly for limiting the valve body is arranged on the first guide seat, the second guide seat is movably arranged on the bottom plate through the guide assembly, the second guide seat is arranged corresponding to the first guide seat, the top block is arranged on the second guide seat, the space for clamping and positioning the valve body is formed between the top block and the limiting assembly, the pushing device is arranged at the end of the second guide seat away from the first guide seat, the pushing device is adjustably arranged on the bottom plate, and the movable connecting assembly is arranged between the pushing device and the second guide seat, the second guide seat can be moved along the guide assembly by the pushing device, and then the top block moves to the limiting assembly, so that the valve body is limited and clamped tightly, the pushing device and the second guide seat are movably connected through the movable connecting assembly, when the stroke of the second guide seat needs to be adjusted for different specifications of the valve body, only the position of the pushing device needs to be adjusted, since the second guide seat is arranged on the guide assembly, the coaxiality between the second guide seat, the first guide seat and the limiting assembly is not changed during adjustment, and then the machining quality of the valve body is not affected, and only the pushing device needs to be adjusted during adjustment, so that the adjustment is convenient and efficient.

[0018] In summary, the boring and reaming machine clamping device and the boring and reaming machine are provided, the adjustment is convenient and efficient when machining workpieces of different specifications, the coaxiality of the clamping device is not affected, and the stability of the machining quality of the valve body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from the structures shown in the drawings without creative labor.

[0020] Figure 1 The structure diagram of clamping fixed structure of traditional boring reamer;

[0021] Figure 2 The structure diagram of the utility model;

[0022] Figure 3 The structure diagram of another angle direction of the utility model;

[0023] Figure 4 The structure diagram of the back of the utility model;

[0024] Figure 5 The structure diagram of the utility model in the limiting assembly and the movable connecting assembly;

[0025] Reference signs:

[0026] 1, bottom plate, 2, first guide seat, 3, limiting assembly, 301, fixed block, 302, hollow positioning sleeve, 303, second limiting block, 4, guide assembly, 401, guide rail, 402, sliding block, 5, second guide seat, 6, top block, 7, pushing device, 8, movable connecting assembly, 801, connecting head, 802, limiting groove, 803, first limiting block, 8031, main body part, 8032, limiting part, 9, pad plate, 10, strip-shaped connecting hole, 11, locking block, 12, boring reamer, 100, front guide seat, 101, rear guide seat, 102, oil cylinder, 103, guide shaft, 104, stepped positioning part. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0029] Meanwhile, the meaning of "and / or" or "and / or" in the whole text is that three schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0030] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the technical features indicated. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0031] As shown in Figures 2-5 A clamping device for boring and reaming machine, including the base plate 1, the base plate 1 is equipped with the first guide seat 2 for boring and reaming cutter 12 movement guide, through the first guide seat 2 can be to boring and reaming cutter 12 play guide, support effect, reduce boring and reaming cutter 12 when machining tremor, the first guide seat 2 is equipped with the limiting assembly 3 for limiting valve body, the base plate 1 is still through the guide assembly 4 movably installed with the second guide seat 5, the second guide seat 5 is correspondingly arranged with the first guide seat 2, the second guide seat 5 is installed with the top block 6, the end away from the second guide seat 5 of the top block 6 is equipped with the groove, the second guide seat 5 is equipped with the chuck, the chuck is connected with the top block 6, installation and removal is convenient, the space of the valve body clamping positioning is formed between the top block 6 and the limiting assembly 3, the valve body is fixed by the top block 6 and the limiting assembly 3, the end away from the first guide seat 2 of the second guide seat 5 is equipped with the push device 7, the push device 7 can adopt the oil cylinder, the push device 7 is adjustably installed on the base plate 1, and the movable connecting assembly 8 is arranged between the push device 7 and the second guide seat 5, the second guide seat 5 can be pushed along the guide assembly 4 by the push device 7, and then the top block 6 moves to the limiting assembly 3, so that the valve body is limited and clamped tightly, the movable connecting assembly 8 is arranged between the push device 7 and the second guide seat 5, when the stroke of the second guide seat 5 needs to be adjusted for different specifications of the valve body, only the position of the push device 7 needs to be adjusted, since the second guide seat 5 is installed on the guide assembly 4, when adjusting, the coaxiality between the second guide seat 5, the first guide seat 2 and the limiting assembly 3 will not be changed, and then the machining quality of the valve body will not be affected, and only the push device 7 needs to be adjusted when adjusting, so the adjustment is convenient and fast, and the debugging efficiency is high.

[0032] In addition, in the present embodiment, the valve body includes a single-way valve and a multi-way valve.

[0033] As shown in Figures 2-5As shown, the movable connecting assembly 8 comprises a connecting head 801, one end of the connecting head 801 is connected with the piston rod of the pushing device 7, in the embodiment, the connecting head 801 is connected with the piston rod of the pushing device 7 through thread connection, and the other end abuts against the second guide seat 5. The end of the connecting head 801 close to the second guide seat 5 is provided with a limiting groove 802, and the second guide seat 5 is provided with a first limiting block 803, the first limiting block 803 is movably connected with the limiting groove 802, so that the movable connection between the second guide seat 5 and the connecting head 801 is realized through the first limiting block 803 and the limiting groove 802.

[0034] As shown in Figure 2 , Figure 4 and Figure 5 , the first limiting block 803 is provided with two and is oppositely installed on the two sides of the connecting head 801.

[0035] The first limiting block 803 comprises a body part 8031, the body part 8031 is installed on the second guide seat 5 through bolts, and the body part 8031 is extended with a limiting part 8032 into the limiting groove 802, the limiting part 8032 is provided in a semi-ring structure, the limiting part 8032 is movably inserted into the limiting groove 802, and in the embodiment, the thickness size of the limiting part 8032 is smaller than the width size of the limiting groove 802, so that the connecting head 801 can move in the space formed by the two first limiting blocks 803, and the moving gap is about 3mm.

[0036] As shown in Figure 2 , Figure 4 and Figure 5 , the limiting assembly 3 comprises a fixed block 301 installed on the first guide seat 2, the fixed block 301 is provided with a hollow positioning sleeve 302 matched with the valve rod hole of the valve body, the hollow positioning sleeve 302 is matched with the stopper provided at the opening end of the valve rod hole, the first guide seat 2 is provided with a groove avoiding the boring and reaming cutter 12, the groove is communicated with the hollow positioning sleeve 302, so that the moving boring and reaming cutter 12 can penetrate through the groove and the hollow positioning sleeve 302 and extend into the valve rod hole of the valve body to process the inside of the valve rod hole, and the second limiting block 303 is sleeved on the outside of the fixed block 301, the second limiting block 303 is also installed on the first guide seat 2, and the contact area between the valve body is increased through the second limiting block 303, so that the better stop limiting effect is achieved.

[0037] As shown in Figure 2 , Figure 4 and Figure 5As shown, along the surface of the first guide seat 2, the height dimension of the second limiting block 303 is greater than the height dimension of the fixed block 301 and less than the height dimension of the hollow positioning sleeve 302. By setting the height dimension of the second limiting block 303 to be greater than the height dimension of the fixed block 301, the second limiting block 303 can be in contact with the surface of the valve body to achieve limiting. By setting the height dimension of the second limiting block 303 to be less than the height dimension of the hollow positioning sleeve 302, the hollow positioning sleeve 302 can be exposed and inserted into the stopper arranged at the opening end of the valve rod hole to achieve positioning of the valve body, cooperating with the clamping effect of the top block 6 to achieve clamping and fixing of the valve body.

[0038] As shown in Figure 2 , Figure 3 and Figure 5 , the guide assembly 4 includes a guide rail 401 which is relatively mounted on the bottom plate 1 through bolts, and a sliding block 402 is slidingly mounted on the guide rail 401. The second guide seat 5 is mounted on the sliding block 402 through bolts. By setting the guide rail 401 and the sliding block 402, the accuracy of the movement of the second guide seat 5 is ensured, thereby ensuring the processing quality.

[0039] As shown in Figure 2 , Figure 3 and Figure 5 , the bottom plate 1 is detachably mounted with a backing plate 9, which is arranged between the first guide seat 2 and the guide rail 401. Since the backing plate 9 is detachably mounted on the bottom plate 1 through bolts, the thickness of the backing plate 9 can be adjusted, thereby adjusting the height of the valve body on the bottom plate 1. Therefore, by replacing the thickness of the backing plate 9, the valve rod hole of the valve body can be coaxial with the hollow positioning sleeve 302 of the limiting assembly 3 and the top block 6.

[0040] As shown in Figure 2 and Figure 5 , a strip-shaped connecting hole 10 is arranged on the bottom plate 1 and close to the pushing device 7. The connecting bolt of the pushing device 7 passes through the strip-shaped connecting hole 10 and is connected with the locking block 11 at the bottom of the bottom plate 1. By setting the strip-shaped connecting hole 10 and the locking block 11, the position of the pushing device 7 on the bottom plate 1 can be conveniently adjusted.

[0041] As shown in Figures 2-4As shown in the drawings, the boring and reaming machine comprises a boring and reaming machine clamping device, one side of the boring and reaming machine clamping device is provided with a movable boring and reaming cutter 12, the movement of the boring and reaming cutter 12 can be pushed by a cylinder, an oil cylinder or a motor-driven screw rod slider, preferably a motor-driven screw rod slider structure, to ensure the accuracy of the movement of the boring and reaming cutter 12, since the cylinder, oil cylinder or motor-driven screw rod slider pushing structure is common in daily life and belongs to the common knowledge of the skilled person in the technical field, and will not be described here, the boring and reaming cutter 12 is correspondingly arranged with the first guide seat 2 on the boring and reaming machine clamping device, so that the boring and reaming cutter 12 can penetrate the first guide seat 2 and extend into the valve body for processing, and the first guide seat 2 supports the boring and reaming cutter 12.

[0042] In order to facilitate understanding, the working process of the embodiment is described below:

[0043] As shown in the drawings, Figures 2-5 First, the valve body is placed on the base plate 9, one side of the valve body abuts against the second limiting block 303 of the limiting assembly 3, and the stop of the valve rod hole is inserted into the hollow positioning sleeve 302, then the piston rod of the pushing device 7 is elongated, the second guide seat 5 is pushed to move along the guide rail 401 towards the valve body, and the valve body is clamped tightly by the top block 6, then the boring and reaming cutter 12 moves away from the boring and reaming machine clamping device, the piston rod of the pushing device 7 is retracted, and the processed valve body can be taken off;

[0044] For different specifications and models of valve bodies, when the stroke of the second guide seat 5 needs to be adjusted, the connecting bolt on the pushing device 7 is loosened, and the pushing device 7 is moved along the direction of the strip-shaped connecting hole 10, since the pushing device 7 is movably connected with the second guide seat 5 through the movable connecting assembly 8, when the pushing device 7 is adjusted, the second guide seat 5 will move along the guide rail 401, without changing the coaxiality between the second guide seat 5 and the first guide seat 2 and the limiting assembly 3, thereby not affecting the processing quality of the valve body, when the position of the pushing device 7 is adjusted, the connecting bolt is tightened to fix it, which is convenient and fast.

[0045] In summary, the boring and reaming machine clamping device and the boring and reaming machine provided by the present application are convenient and fast to adjust when processing different specifications and models of workpieces, do not affect the coaxiality of the clamping device, and ensure the stability of the valve body processing quality.

[0046] It should be understood that the use of these embodiments is by way of illustration only and is not intended to limit the scope of the present application. In addition, it should also be understood that, after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all of these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A clamping device for a boring and reaming machine, characterized in that: The utility model provides a boring and reaming machine clamping device, including bottom plate, be equipped with first guide seat for boring and reaming tool movement guide on the bottom plate, be equipped with limiting component for limiting valve body on first guide seat, still be equipped with second guide seat through guide component swing installation on bottom plate, second guide seat with first guide seat correspond setting, install the top block on second guide seat, the space of top block with limiting component between forms the valve body clamping positioning, the one end of second guide seat away from first guide seat is equipped with pusher, pusher adjustable installation is in bottom plate, and the movable connecting component is equipped between pusher and second guide seat.

2. The clamping device for boring and turning machines according to claim 1, characterized in that: The movable connecting component includes a connecting head, one end of the connecting head is connected with the piston rod of the pusher, and the other end abuts on the second guide seat. The end of the connecting head close to the second guide seat is provided with a limiting groove. The first limiting block is movably connected with the limiting groove.

3. The clamping device for boring and turning machines according to claim 2, characterized in that: The first limiting block is provided with two and is oppositely installed on both sides of the connecting head. The first limiting block includes a body portion, the body portion is installed on the second guide seat through bolts, and the limiting portion extends into the limiting groove from the body portion.

4. The clamping device for boring and turning machines according to claim 1, characterized in that: The limiting component includes a fixed block installed on the first guide seat, the fixed block is provided with a hollow positioning sleeve matched with the valve rod hole of the valve body, the first guide seat is provided with a groove for avoiding boring and reaming tool, the groove is communicated with the hollow positioning sleeve, and the second limiting block is sleeved outside the fixed block.

5. The clamping device for boring and turning machines according to claim 4, characterized in that: Along the surface of the first guide seat, the height size of the second limiting block is greater than the height size of the fixed block and less than the height size of the hollow positioning sleeve.

6. The clamping device for boring and turning machines according to claim 1, characterized in that: The guide component includes a guide rail oppositely installed on the bottom plate, a sliding block is slidably installed on the guide rail, and the second guide seat is installed on the sliding block.

7. The clamping device for boring and turning machines according to claim 6, characterized in that: The bottom plate is detachably provided with a backing plate between the first guide seat and the guide rail.

8. The clamping device for boring and turning machines according to claim 1, characterized in that: The bottom plate is provided with a strip-shaped connecting hole opposite to the pusher, the connecting bolt of the pusher passes through the strip-shaped connecting hole and is connected with the locking block at the bottom of the bottom plate.

9. A boring and reaming machine characterized by: The utility model provides a boring and reaming machine clamping device, including bottom plate, be equipped with first guide seat for boring and reaming tool movement guide on the bottom plate, be equipped with limiting component for limiting valve body on first guide seat, still be equipped with second guide seat through guide component swing installation on bottom plate, second guide seat with first guide seat correspond setting, install the top block on second guide seat, the space of top block with limiting component between forms the valve body clamping positioning, the one end of second guide seat away from first guide seat is equipped with pusher, pusher adjustable installation is in bottom plate, and the movable connecting component is equipped between pusher and second guide seat.

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