Inner support type clamp for valve body through hole machining

Abstract

The utility model relates to the technical field of clamps, and discloses an inner support type clamp for valve body through hole machining, which comprises a base, the front side and the rear side of the left end of the top of the base are respectively provided with a groove I, the right sides of the inner walls of the two grooves I are respectively and fixedly connected with a spring, and the other ends of the springs are respectively and fixedly connected with a sliding block. Shells are arranged on the left side and the right side of the top of the base correspondingly, telescopic boxes are fixedly connected to the adjacent sides of the two shells correspondingly, the shell on the left side is fixedly connected with the sliding block, the shell on the right side is fixedly connected with the base, and servo motors are fixedly connected to the inner sides of the two shells correspondingly; and the output ends of the two servo motors are fixedly connected with rotating rods. According to the clamp, the shells can adapt to valve bodies of different sizes to a certain extent through the sliding block and the spring structure on the base, so that the distance between the two shells is adjusted, and the universality of the clamp is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially relates to a valve body through -hole processing's inner bracing type clamp. BACKGROUND

[0002] The valve body is used to contain and guide various fluid media such as gas and liquid, the flow path and direction of fluid are determined by the structural design of the valve body, the through -hole, recess structure of different shapes and sizes are arranged, fluid flows according to the predetermined mode, realizes the basic control to fluid, so need to use a valve body through -hole processing's inner bracing type clamp.

[0003] Valve body through -hole processing's inner bracing type clamp, it is mainly applied to the processing of valve body through -hole, including main through -hole and vice through -hole, by using this clamp, the precision and efficiency of valve body through -hole processing can be improved, the size and shape of valve body are ensured to meet the design requirement, thereby the overall quality and performance of valve are improved.

[0004] The existing valve body through -hole processing's inner bracing type clamp is fixed to the valve body by linear cylinder, flange, core rod and chuck, the clamp cannot provide enough supporting force due to the inability to adapt to the valve body with larger diameter, resulting in insecure fixation, which affects the machining precision and quality. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a valve body through -hole processing's inner bracing type clamp, which aims to improve the problem that the clamp cannot provide enough supporting force due to the inability to adapt to the valve body with larger diameter, resulting in insecure fixation, which affects the machining precision and quality.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a valve body through -hole processing's inner bracing type clamp, including the base, the top left end of the base is provided with recess one on the front and back sides, the inner wall right side of two recess one is fixedly connected with spring, the other end of spring is fixedly connected with sliding block, the top left and right sides of the base are provided with shell, the adjacent side of two shell is fixedly connected with telescopic box, the left shell is fixedly connected with sliding block, the right shell is fixedly connected with the base, the inner side of two shell is fixedly connected with servo motor, the output end of two servo motor is fixedly connected with rotating rod, the outer wall of two rotating rod is fixedly connected with fixed column one, the outer wall of two fixed column one is rotatably connected with rotating disc, the outer wall of two rotating disc is fixedly connected with a plurality of fixed blocks two around, a plurality of the right end of fixed block two is provided with a plurality of sliding slot one, the inner wall of a plurality of sliding slot one is slidably connected with a plurality of sliding blocks, the right side of a plurality of sliding blocks is fixedly connected with expansion block, the outer wall of a plurality of expansion blocks is provided with anti -skid line, the inner wall of telescopic box is provided with fixed mechanism, and the fixed mechanism is used to fix the device.

[0007] As a further description of the above technical solutions:

[0008] The fixing mechanism comprises a plurality of fixing blocks fixedly connected to the front and rear sides of the inner wall of the telescopic box, a sliding bar fixedly connected to the adjacent side of each of the fixing blocks, a plurality of moving blocks provided on the top of the sliding bar, a circular clamp fixedly connected to the adjacent side of each of the moving blocks, and a sliding groove two provided in the bottom of each of the moving blocks and in sliding connection with the sliding bar.

[0009] As a further description of the above technical solutions:

[0010] The inner wall of each of the two housings is fixedly connected to the front and rear sides of the fixing cylinder, and the top of each of the two housings is provided with a cover plate, the inner wall of the bottom of each of the two cover plates is fixedly connected to the front and rear sides of a fixing column two, and the fixing column two is clamped with the fixing cylinder.

[0011] As a further description of the above technical solutions:

[0012] The bottom of the base is provided with a shock-absorbing groove, and the inner wall of the shock-absorbing groove is fixedly connected to a shock-absorbing pad.

[0013] As a further description of the above technical solutions:

[0014] The top left side of the base is provided with a groove two, and the inner wall of the groove two is provided with a plurality of scale rods.

[0015] As a further description of the above technical solutions:

[0016] The outer wall of the right side of the base is fixedly connected to a fixed plate, the outer wall of the right side of the fixed plate is threadedly connected to a screw one, and the fixed plate is threadedly connected to the housing through the screw one.

[0017] As a further description of the above technical solutions:

[0018] The outer wall of the front and rear sides of the telescopic box is threadedly connected to a screw two, and the screw two is threadedly connected to the fixing block through the telescopic box.

[0019] As a further description of the above technical solutions:

[0020] The top right side of the base is fixedly connected to a controller, and the controller is electrically connected to the servo motor.

[0021] The utility model has the advantages of:

[0022] 1、The utility model discloses a sliding block and spring structure on the base make the shell can be self -adapted to the valve body of different size to a certain extent, and the spring can be according to the size of valve body proper telescopic, drive the sliding block to move to adjust the distance between two shells, make the fixture can better adapt to the valve body of different width, improved the versatility of fixture, and the expansion block on the rotating disc slides in the sliding slot through the sliding block, can adjust according to the size of valve body through -hole.

[0023] 2、The utility model discloses a sliding groove two and slide bar sliding connection of moving block bottom make, and the circular fixture can be adjusted according to the size of valve body flexibly, and multiple fixed blocks are fixed in the front and rear sides of telescopic box inner wall, and the stable support is provided for slide bar, and multiple circular fixtures are connected together through moving block, can be fixed to valve body after adjusting to the appropriate position, and the cooperation is carried out. ACCOMPANYING DRAWINGS

[0024] Figure 1 It is the perspective view of the inner support type fixture for valve body through -hole processing that the utility model proposes;

[0025] Figure 2 It is the front view of the inner support type fixture for valve body through -hole processing that the utility model proposes;

[0026] Figure 3 It is the fixed mechanism display graph of the inner support type fixture for valve body through -hole processing that the utility model proposes;

[0027] Figure 4 It is the partial structure explosion drawing of the inner support type fixture for valve body through -hole processing that the utility model proposes;

[0028] Figure 5 It is the partial mechanism analysis graph of the inner support type fixture for valve body through -hole processing that the utility model proposes;

[0029] Figure 6 It is the partial mechanism analysis graph of the inner support type fixture for valve body through -hole processing that the utility model proposes.

[0030] LEGEND:

[0031] 1, base; 2, fixed mechanism; 201, fixed block one; 202, slide bar; 203, moving block; 204, round clamp; 205, sliding groove two; 3, groove one; 4, spring; 5, shell; 6, servo motor; 7, sliding block; 8, rotating rod; 9, fixed column one; 10, rotating disc; 11, fixed block two; 12, sliding groove one; 13, expansion block; 14, anti-skid pattern; 15, telescopic box; 16, fixed cylinder; 17, cover plate; 18, fixed column two; 19, damping groove; 20, damping pad; 21, groove two; 22, scale rod; 23, fixed plate; 24, screw one; 25, screw two; 26, sliding block; 27, controller. DETAILED DESCRIPTION

[0032] 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, 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.

[0033] With reference to Figure 1 , Figure 2 and Figure 5 , an embodiment provided by the utility model: a kind of inner bracing type clamp for valve body through hole processing, including base 1, the top middle part of base 1 is forward and backward side and is equipped with groove one 3, the inner wall right side of two groove one 3 is fixedly connected with spring 4, the other end of spring 4 is fixedly connected with sliding block 7, the top left and right sides of base 1 are provided with shell 5, the adjacent side of two shell 5 is fixedly connected with telescopic box 15, can be adapted to different size valve body and be fixed, the top left side of base 1 is slidably connected with shell 5, shell 5 is fixedly connected with sliding block 7, the top right side of base 1 is fixedly connected with shell 5, the inner side of two shell 5 is fixedly connected with servo motor 6, the output end of two servo motor 6 is fixedly connected with rotating rod 8, the outer wall of two rotating rod 8 is fixedly connected with fixed column one 9, two fixed column one 9 outer wall is rotatably connected with rotating disc 10, the outer wall of two rotating disc 10 is fixedly connected with a plurality of fixed block two 11, the right end of a plurality of fixed block two 11 is equipped with a plurality of sliding groove one 12, the inner wall of a plurality of sliding groove one 12 is slidably connected with a plurality of sliding block 26, the right side of a plurality of sliding block 26 is fixedly connected with a plurality of expansion block 13, the outer wall of a plurality of expansion block 13 is equipped with a plurality of anti-skid pattern 14, when starting servo motor 6, rotating rod 8 is rotated, will make fixed column one 9 drive rotating disc 10, rotating disc 10 rotates and drives expansion block 13 to expand and fix valve body, the inner wall of telescopic box 15 is provided with fixed mechanism 2, fixed mechanism 2 is used to fix the device;

[0034] Specifically, the slider 7 on the base 1 and the spring 4 structure, and the shell 5 and the slider 7 are fixedly connected, when the width of the valve body does not match the initial setting of the clamp, the valve body exerts a squeezing or stretching effect on the two shells 5, the spring 4 will expand or contract according to the size of the valve body, driving the slider 7 to move, thereby adjusting the distance between the two shells 5, so that the clamp can preliminarily adapt to the width of the valve body, and the telescopic box 15 can also be self-adapting to a certain extent according to the length of the valve body, so that the overall structure of the clamp can better adapt to valve bodies of different sizes. Start the servo motor 6, the output end of the servo motor 6 drives the rotating rod 8 to rotate, the rotating rod 8 drives the fixed column one 9 to rotate, the fixed column one 9 in turn drives the rotating disc 10 to rotate, when the rotating disc 10 rotates, the multiple fixed blocks two 11 on the outer wall thereof rotate, since the multiple sliding blocks 26 are slidingly connected in the sliding groove one 12 of the fixed block two 11, when the rotating disc 10 rotates, the sliding blocks 26 will relatively slide in the sliding groove one 12, driving the multiple expansion blocks 13 to slide outward and expand, in the process of outward expansion of the expansion blocks 13, the anti-skid lines 14 on the outer wall thereof contact the inner wall of the valve body through hole, increasing the friction, so that the expansion blocks 13 are tightly fitted with the inner wall of the valve body through hole, realizing clamping and fixing of the valve body through hole, and ensuring that the valve body will not displace during machining.

[0035] With reference to Figure 1 And Figure 3 The fixing mechanism 2 includes multiple fixed blocks one 201, which are fixedly connected to the inner wall front and back of the telescopic box 15, and the adjacent side of each fixed block one 201 is fixedly connected with a sliding strip 202, which is used for fixing different valve bodies. The top of the sliding strip 202 is provided with multiple moving blocks 203, and the sliding strip 202 will not deform during the sliding process of the moving blocks 203. The adjacent side of each moving block 203 is fixedly connected with a circular clamp 204, which has high position accuracy and stability when fixing the valve body, and is used for fixing the valve body. The bottom of each moving block 203 is provided with a sliding groove two 205, which is slidingly connected with the sliding strip 202.

[0036] Specifically, the multiple fixed blocks one 201 are fixed to the inner wall front and back of the telescopic box 15, providing firm support for the sliding strip 202. This stable support structure ensures that the sliding strip 202 will not deform during the sliding process of the moving blocks 203, ensuring the position accuracy and stability of the circular clamp 204 when fixing the valve body. Since the moving blocks 203 are slidingly connected with the sliding strip 202 through the sliding groove two 205, when facing valve bodies of different diameters, the moving blocks 203 can move on the sliding strip 202. The multiple moving blocks 203 move cooperatively, driving the circular clamp 204 to move closer or farther away, thereby changing the size of the fixed space surrounded by the circular clamp 204, so that it can adapt to valve bodies of different diameters, effectively expanding the application range of the clamp.

[0037] With reference toFigure 1 、 Figure 4 and Figure 6 The inner wall of the two housings 5 is fixedly connected with a fixed cylinder 16 on the front and back sides, the top of the two housings 5 is provided with a cover plate 17, the fixed cylinder 16 on the front and back sides of the inner wall of the housing 5 can be clamped with the cover plate 17, the inner wall of the bottom of the two cover plates 17 is fixedly connected with a fixed column two 18 on the front and back sides, the fixed column two 18 is clamped with the fixed cylinder 16; the bottom of the base 1 is provided with a damping groove 19, the inner wall of the damping groove 19 is fixedly connected with a damping pad 20; the damping pad 20 is fixedly connected in the damping groove 19, when the clamp is vibrated in the working process, the damping pad 20 can absorb and buffer the vibration energy, the top left side of the base 1 is provided with a groove two 21, a plurality of scale rods 22 are provided in the inner wall of the groove two 21, the scale rods 22 are used to measure the distance of the valve body in the housing 5;

[0038] Specifically, when the cover plate 17 is installed, the fixed column two 18 on the front and back sides of the inner wall of the bottom of the cover plate 17 is clamped with the fixed cylinder 16 on the front and back sides of the inner wall of the housing 5, so that the cover plate 17 can be stably fixed on the top of the housing 5, and the internal structure is protected, and the installation and disassembly are facilitated, the damping pad 20 is fixedly connected in the damping groove 19 provided on the bottom of the base 1, when the clamp is vibrated in the working process, the damping pad 20 can absorb and buffer the vibration energy, a plurality of scale rods 22 are provided in the inner wall of the groove two 21 provided on the top left side of the base 1, and the scale rods 22 are used to measure the distance of the valve body in the housing 5.

[0039] Referring to Figure 1 、 Figure 2 and Figure 4 The outer wall of the right side of the base 1 is fixedly connected with a fixed plate 23, the outer wall of the right side of the fixed plate 23 is threadedly connected with a screw one 24, and the fixed plate 23 is threadedly connected with the housing 5 through the screw one 24, so that the housing 5 can be firmly fixed on the right side of the base 1, and the installation and disassembly are facilitated; the outer wall of the front and back sides of the telescopic box 15 is threadedly connected with a screw two 25, the screw two 25 is threadedly connected with the fixed block one 201 through the telescopic box 15, and the position of the fixed block one 201 can be ensured to be accurate by tightening the screw two 25; the top right side of the base 1 is fixedly connected with a controller 27, the controller 27 is electrically connected with the servo motor 6, and the controller 27 sends instructions to control the start, stop, rotation direction and rotation speed of the servo motor 6;

[0040] Specifically, the fixed plate 23 is screwed with the shell 5 through the screw 24, so that the shell 5 can be firmly fixed on the right side of the base 1 for convenient installation and removal, and at the same time, the stability of the whole clamp can be ensured, the screw 25 is screwed with the fixed block 201 through the telescopic box 15, so that the fixed block 201 can be stably fixed on the inner wall of the telescopic box 15, and the position of the fixed block 201 can be ensured by tightening the screw 25, so as to provide reliable support for the sliding bar 202, and further ensure the stability of the circular clamp 204 when fixing the valve body, the controller 27 is electrically connected with the servo motor 6, and the servo motor 6 can be controlled through the controller 27, so that the operator can control the start, stop, rotation direction and rotation speed of the servo motor 6 through the controller 27 during the working process of the clamp.

[0041] Working principle: through the structure of the sliding block 7 and the spring 4 on the base 1 and the fixed connection of the shell 5 and the sliding block 7, the shell 5 can adapt to the width change of the valve body to a certain extent, the spring 4 will expand and contract to drive the sliding block 7 to move according to the acting force of the valve body on the shell 5, so as to adjust the distance between the two shells 5, so that the clamp can preliminarily adapt to the width of the valve body, and at the same time, the telescopic box 15 can also adapt to the length of the valve body to a certain extent, the servo motor 6 is started, the output end drives the rotating rod 8 to rotate, the rotating rod 8 drives the fixed column 9 to rotate, the fixed column 9 further drives the rotating disc 10 to rotate, when the rotating disc 10 rotates, the fixed block 11 on the outer wall of the rotating disc 10 rotates, since the sliding block 26 is slidably connected in the sliding groove 12 of the fixed block 11, when the rotating disc 10 rotates, the sliding block 26 will relatively slide in the sliding groove 12, driving the expansion block 13 to slide outward and expand, during the outward expansion of the expansion block 13, the anti-skid pattern 14 on the outer wall of the expansion block 13 contacts with the inner wall of the valve body through hole, increasing the friction, so that the expansion block 13 is tightly fitted with the inner wall of the valve body through hole;

[0042] The plurality of fixed blocks 201 are fixed on the inner wall of the telescopic box 15, providing stable support for the sliding bar 202, so that the sliding bar 202 will not deform during the sliding process of the moving block 203, the plurality of circular clamps 204 are connected together through the moving block 203, when the valve body is fixed, the position accuracy and stability of the circular clamp 204 when fixing the valve body, preventing the valve body from shaking or rotating during the machining process, the moving block 203 can slide on the sliding bar 202, since the bottom of the plurality of moving blocks 203 is slidably connected with the sliding bar 202 through the sliding groove 205, the moving blocks 203 can move cooperatively, when the moving block 203 moves, the adjacent circular clamp 204 will be brought close or far away, so as to change the size of the fixed space surrounded by the circular clamp 204, so as to adapt to valve bodies of different diameters.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An inner support type jig for machining a through hole of a valve body, comprising a base (1), characterized in that: The top left end of the base (1) is provided with a groove one (3) on the front and back sides, the inner wall of the two groove one (3) is fixedly connected with the spring (4) on the right side, the other end of the spring (4) is fixedly connected with the sliding block (7), the top of the base (1) is provided with the shell (5) on the left and right sides, the adjacent side of the two shell (5) is fixedly connected with the telescopic box (15), the left shell (5) is fixedly connected with the sliding block (7), the right shell (5) is fixedly connected with the base (1), the inner side of the two shell (5) is fixedly connected with the servo motor (6), the output end of the two servo motor (6) is fixedly connected with the rotating rod (8), the outer wall of the two rotating rod (8) is fixedly connected with the fixed column one (9), the outer wall of the two fixed column one (9) is rotatably connected with the rotating disc (10), the outer wall of the two rotating disc (10) is fixedly connected with a plurality of fixed blocks two (11) around, a plurality of the right end of the fixed block two (11) is provided with a plurality of slide groove one (12), a plurality of the inner wall of the slide groove one (12) is slidably connected with a plurality of sliding blocks (26), a plurality of the right side of the sliding block (26) is fixedly connected with the expansion block (13), a plurality of the outer wall of the expansion block (13) is provided with the anti-skid line (14), the inner wall of the telescopic box (15) is provided with the fixing mechanism (2), the fixing mechanism (2) is used for fixing the device.

2. The inner bolster type clamp for machining a through-hole of a valve body according to claim 1, wherein: The fixing mechanism (2) comprises a plurality of fixed blocks one (201), a plurality of fixed blocks one (201) is fixedly connected to the inner wall of the telescopic box (15) on the front and back sides, a plurality of the adjacent side of the fixed block one (201) is fixedly connected with the slide bar (202), the top of the slide bar (202) is provided with the moving block (203), a plurality of the adjacent side of the moving block (203) is fixedly connected with the circular clamp (204), a plurality of the bottom of the moving block (203) is provided with the slide groove two (205), the slide groove two (205) is slidably connected with the slide bar (202).

3. The inner bolster fixture for machining a valve body through hole according to claim 1, wherein: The inner wall of the two shell (5) is fixedly connected with the fixed cylinder (16) around, the top of the two shell (5) is provided with the cover plate (17), the bottom of the two cover plate (17) is fixedly connected with the fixed column two (18) around, the fixed column two (18) is engaged with the fixed cylinder (16).

4. The inner bolster fixture for machining a valve body through hole according to claim 1, wherein: The bottom of the base (1) is provided with the damping groove (19), the inner wall of the damping groove (19) is fixedly connected with the damping pad (20).

5. The inner bolster fixture for machining a valve body through hole according to claim 1, wherein: The top left side of the base (1) is provided with the recess two (21), the inner wall of the recess two (21) is fixedly connected with a plurality of scale rods (22).

6. The inner bolster fixture for machining a valve body through hole according to claim 1, wherein: The outer wall of the right side of the base (1) is fixedly connected with the fixed plate (23), the outer wall of the right side of the fixed plate (23) is threadedly connected with the screw one (24), the fixed plate (23) is threadedly connected with the shell (5) through the screw one (24).

7. The inner bolster fixture for machining a valve body through hole according to claim 2, wherein: The outer wall of the telescopic box (15) is screw-connected with a screw (25) on the front and back sides, and the screw (25) is screw-connected with the fixed block I (201) through the telescopic box (15).

8. The inner bolster fixture for machining a valve body through hole according to claim 1, wherein: The top end of the base (1) is fixedly connected with a controller (27), and the controller (27) is electrically connected with the servo motor (6).

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