Pneumatic flexible clamp for post-treatment of control valve casting

Abstract

The utility model relates to the technical field of flexible processing, in particular to a pneumatic flexible clamp for post-processing of a control valve casting, which comprises a base, and further comprises a bottom supporting mechanism arranged on the base and comprising at least three bottom surface supporting nails, a bottom supporting face used for supporting the bottom of the control valve is defined by the bottom face supporting nails. The end face positioning mechanism is arranged on the base, the end face positioning mechanism comprises side face positioning nails, the side face positioning nails are used for making contact with the end face of one side of the control valve and positioning the control valve, and the bottom supporting face is perpendicular to the end face of one side of the control valve. The bottom face supporting nails of the bottom supporting mechanism are controlled to be relatively gathered or dispersed to form a bottom supporting face matched with the bottom of the control valve in size, the bottom of the control valve is supported, and meanwhile the side face positioning nails are synchronously driven to be close to or away from the bottom face supporting nails to position one side face of the control valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to flexible processing technical field especially is related to a kind of pneumatic flexible fixture for control valve castings post-processing. BACKGROUND

[0002] Control valve mainly includes valve body, valve body has main flow channel and branch flow channel, one end of main flow channel is the bottom of valve body, one end of branch flow channel is on the end face of valve body, main flow channel and branch flow channel are perpendicular to each other, the other end of main flow channel on valve body and the one end of valve body away from branch flow channel all have valve body patch, need to be removed in later processing, control valve castings post-processing is the key link of further processing and handling to control valve castings, in control valve castings post-processing process, using automation equipment can improve processing efficiency and processing accuracy, reduce labor cost.But the surface of valve body castings of control valve is relatively rough, and control valve is mostly multi-variety, small-batch production mode, and in order to adapt to this multi-variety, small-batch production mode, resulting in the variety of existing fixture is numerous, and quantity is huge, frequent replacement of fixture can affect production efficiency, and fixture manufacturing, storage cost is higher, furthermore, existing fixture mostly uses surface positioning or profiling structure positioning, so the surface flatness of valve body castings is low and consistency is not strong, thus fixture error is larger. SUMMARY

[0003] The utility model solves the technical problems that: in order to solve the production of the prior art to adapt to this multi-variety, small-batch control valve, resulting in the variety of existing fixture is numerous, and quantity is huge, frequent replacement of fixture can affect production efficiency in the production process, and the problem of high cost of fixture manufacturing, storage, the present provides a kind of pneumatic flexible fixture for control valve castings post-processing.

[0004] The utility model solves the technical problems and adopts the technical scheme that: a kind of pneumatic flexible fixture for control valve castings post-processing, including base, still include:

[0005] Bottom support mechanism, it is set on base, the bottom support mechanism includes at least three bottom surface support nails, the bottom surface support nail is enclosed and presents bottom support surface for supporting the bottom of control valve between the bottom surface support nail;

[0006] End face positioning mechanism, it is set on base, the end face positioning mechanism includes side positioning nail, the side positioning nail is used to contact and position with the side end face of control valve, the bottom support surface and the side end face of control valve are perpendicular to each other between;

[0007] Top pressing mechanism, it is set on base and is oppositely set with bottom support mechanism, the top pressing mechanism is used to press the top of control valve, the end face positioning mechanism and top pressing mechanism are set around bottom support mechanism;

[0008] a driving mechanism arranged on the base;

[0009] and a linkage mechanism arranged between the bottom support mechanism, the end surface positioning mechanism and the driving mechanism and in driving connection with each other, to realize control of the dispersion or gathering of the bottom surface support nails to form a bottom surface support surface matching the bottom of the control valve, and to realize synchronous movement of the side surface positioning nails towards the bottom surface support nails when the bottom surface support nails are gathered, and synchronous movement of the side surface positioning nails away from the bottom surface support nails when the bottom surface support nails are dispersed. Compared with the prior art, the present scheme realizes control of the dispersion or gathering of the bottom surface support nails of the bottom support mechanism to form a bottom surface support surface matching the bottom of the control valve, and synchronous movement of the side surface positioning nails towards or away from the bottom surface support nails, through the driving mechanism controlling the movement of the linkage mechanism, and realizes positioning of the side surface of the control valve, and finally realizes compression of the top of the control valve by the top compression mechanism, to complete the fixation of the valve body on the base, to meet the machining precision of the control valve, to meet the application of different types of control valves, to improve the applicability of the clamp, to reduce the use cost and types of the clamp, and to reduce the storage cost of the clamp.

[0010] To realize the linkage mechanism, preferably some embodiments, the linkage mechanism comprises a wedge block and a connecting rod assembly, the wedge block is located in the bottom surface support surface formed by the bottom support mechanism, the wedge block is provided with a plurality of wedge surfaces, the plurality of wedge surfaces are arranged in one-to-one correspondence with the bottom surface support nails and in abutment with each other, a first return spring is arranged between each bottom surface support nail and the base, the connecting rod assembly is connected in sequence with the wedge block, the base, the driving mechanism and the side surface positioning nail, and is used to control the upward movement of the wedge block and the synchronous movement of the side surface positioning nail away from the bottom surface support nail, or to control the downward movement of the wedge block and the synchronous movement of the side surface positioning nail towards the bottom surface support nail. Through the cooperation between the wedge surfaces of the wedge block and the bottom support mechanism, the driving mechanism drives the movement of the connecting rod assembly, to realize the upward and downward movement of the wedge block, to control the dispersion or gathering of each bottom surface support nail, and to realize the synchronous movement of the side surface positioning nail, to realize the linkage of the bottom surface support nail and the side surface positioning nail.

[0011] In order to realize the connecting rod assembly, preferably some embodiments, the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod, the driving mechanism is a first cylinder fixed on the base, the first connecting rod is slidably arranged on the base along the displacement direction of the wedge block, one end of the first connecting rod is fixed on the wedge block, the other end of the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the fifth connecting rod and the side positioning nail are sequentially connected end to end, the third connecting rod is slidably arranged on the base along the displacement direction of the side positioning nail, the fourth connecting rod and the base are mutually connected, and the extension end of the first cylinder is connected at the hinge point of the fourth connecting rod and the fifth connecting rod. By sequentially connecting the other end of the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the fifth connecting rod and the side positioning nail end to end, the connecting rod assembly realizes the transmission connection between the first cylinder, the side positioning nail and the wedge block and synchronous action.

[0012] In order to realize that the wedge block is installed in the bottom support surface surrounded by the bottom surface support nails, preferably some embodiments, a through hole is formed on the base, the bottom surface support nails are arranged around the through hole, the wedge block is arranged in the through hole, a support is fixed in the through hole, a guide hole matched with the first connecting rod is arranged on the support, and the first connecting rod is slidably arranged in the guide hole. By forming the through hole on the base, arranging the bottom surface support nails around the through hole, arranging the wedge block in the through hole, and sliding the first connecting rod in the guide hole on the support in the through hole, the wedge block is installed in the bottom support surface surrounded by the bottom surface support nails.

[0013] In order to drive the bottom surface support nails to reciprocate radially along the through hole, preferably some embodiments, each bottom surface support nail is slidably arranged on the base along the radial direction of the through hole, a push rod is arranged on the bottom surface support nail, one end of the push rod abuts against the corresponding wedge surface, and the first return spring, the bottom surface support nail and the push rod are sequentially arranged along the radial direction of the through hole. By matching the first return spring and the inclined surface of the wedge block, the bottom surface support nails are driven to reciprocate radially along the through hole.

[0014] In order to realize that the bottom surface support nails slide on the base, preferably some embodiments, a sliding rail is arranged on the base, a sliding block is arranged on the sliding rail, the sliding block is slidably arranged on the sliding rail, and the bottom surface support nail is arranged on the sliding block.

[0015] In order to prevent over-positioning, preferably some embodiments, one of the bottom surface support nails is slidably arranged on the sliding block along the axial direction, and an adjusting spring is arranged between the sliding block and the bottom surface support nail. By arranging one of the bottom surface support nails to slide up and down on the housing, a certain floating allowance is ensured on one side, so that the positioning of the control valve is stable and reliable.

[0016] In order to realize the slide of the side positioning nail on the base, preferably some embodiments, a sliding groove is formed on the base, a guide plate matched with the sliding groove is slidably arranged in the sliding groove, and the side positioning nail is fixedly installed on the guide plate.

[0017] In order to realize the pressing mechanism, preferably some embodiments, the pressing mechanism comprises a clamping pressing plate, the clamping pressing plate is installed on the base, the clamping pressing plate is located above the bottom surface supporting nail, and a control mechanism for controlling the lifting of the clamping pressing plate is arranged on the base. By controlling the lifting of the clamping pressing plate by the control mechanism, the clamping pressing plate can press the top of the control valve.

[0018] In order to realize the control mechanism, preferably some embodiments, the control mechanism is a second air cylinder fixed on the base, one end of the second air cylinder is fixed with one end of the clamping pressing plate, the clamping pressing plate is slidably installed on the base, a second return spring is arranged between the clamping pressing plate and the base, the base is provided with a side supporting nail for supporting the end surface on the other side of the control valve, and the side supporting nail is located between the clamping pressing plate and the bottom surface supporting nail.

[0019] The pneumatic flexible clamp for post-treatment of control valve castings has the advantages that: when the pneumatic flexible clamp is used, the driving mechanism controls the action of the linkage mechanism, the bottom surface supporting nails of the bottom supporting mechanism are relatively gathered or dispersed to form a bottom supporting surface matched with the bottom of the control valve, the bottom of the control valve is supported, the side positioning nail is driven to move close to or away from the bottom surface supporting nail, one side of the control valve is positioned, the top pressing mechanism of the control valve is controlled to press the top of the control valve, the valve body is fixed on the base, the machining precision of the control valve is met, the pneumatic flexible clamp is suitable for different types of control valves, the applicability of the clamp is improved, the use cost and types of the clamp are reduced, the storage cost of the clamp is reduced, the problems that the prior art is adapted to the production of the control valve with multiple varieties and small batches, the types of the existing clamp are various, the number is large, the frequent replacement of the clamp in the production process affects the production efficiency, and the manufacturing and storage cost of the clamp is high are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further described below in combination with the drawings and embodiments.

[0021] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 is the front view of the utility model;

[0023] Figure 3 is the right view of the utility model;

[0024] Figure 4is a plan view of the utility model;

[0025] Figure 5 is Figure 4 is a middle A-A sectional view;

[0026] Figure 6 is Figure 5 is a partial enlarged view of B;

[0027] Figure 7 is a state diagram of the utility model in use.

[0028] In the drawing: 1, base, 101, via, 102, support, 103, sliding slot;

[0029] 2, bottom support mechanism, 201, bottom surface support nail, 202, push rod, 203, first reset spring, 204, slide rail, 205, sliding block;

[0030] 3, end face positioning mechanism, 301, side face positioning nail, 302, guide plate;

[0031] 4, top pressing mechanism, 401, clamping pressing plate, 402, control mechanism, 403, second reset spring, 404, side face support nail;

[0032] 5, driving mechanism;

[0033] 6, linkage mechanism, 601, wedge block, 602, connecting rod assembly, 6021, first connecting rod, 6022, second connecting rod, 6023, third connecting rod, 6024, fourth connecting rod, 6025, fifth connecting rod, 6026, sixth connecting rod. DETAILED DESCRIPTION

[0034] The utility model makes further detailed below combining with the embodiment:

[0035] The utility model is not limited to the following specific embodiments, and the person skilled in the art can implement the utility model by using other various specific embodiments according to the content disclosed in the utility model, or falls within the protection scope of the utility model for all the design structure and thought of using the utility model, making simple change or change. It needs to be explained that the embodiment in the utility model and the feature in the embodiment can be combined mutually in the case of not conflicting.

[0036] In the description of the utility model, it needs to be understood that, the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0037] In the description of the utility model, it needs to be understood that, the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0038] As shown in FIG. Figures 1-7 A kind of pneumatic flexible clamp for controlling valve casting post-processing, comprising:

[0039] Base 1;

[0040] Bottom support mechanism 2, it is arranged on base 1, and bottom support mechanism 2 includes four bottom surface support nails 201 in the embodiment, of course, bottom support mechanism 2 can be three, five, six or more, and bottom surface support nail 201 is enclosed to the bottom support surface for supporting the bottom of control valve between;

[0041] End face positioning mechanism 3, it is arranged on base 1, and end face positioning mechanism 3 includes side positioning nail 301, and side positioning nail 301 is used to contact and position with the side end face of control valve, and the bottom support surface and the side end face of control valve are perpendicular to each other;

[0042] Top pressing mechanism 4, it is arranged on base 1 and is oppositely arranged with bottom support mechanism 2, and top pressing mechanism 4 is used to press the top of control valve, and end face positioning mechanism 3 and top pressing mechanism 4 are arranged around bottom support mechanism 2;

[0043] Driving mechanism 5, it is arranged on base 1;

[0044] and a linkage mechanism 6, which is arranged between the bottom support mechanism 2, the end face positioning mechanism 3 and the driving mechanism 5 and is in driving connection with each other, so as to realize the control of the dispersion or gathering of the bottom support nails 201 to form a bottom support surface matched with the valve bottom, and the synchronous driving of the side positioning nails 301 to move towards the bottom support nails 201 when the bottom support nails 201 are gathered, and the synchronous driving of the side positioning nails 301 to move away from the bottom support nails 201 when the bottom support nails 201 are dispersed.

[0045] The linkage mechanism 6 comprises a wedge block 601 and a connecting rod assembly 602, the wedge block 601 is arranged in the bottom support surface formed by the bottom support mechanism 2, the wedge block 601 is provided with a plurality of wedge surfaces, the plurality of wedge surfaces are arranged in one-to-one correspondence with the bottom support nails 201 and abut against each other, a first reset spring 203 is arranged between each bottom support nail 201 and the base 1, the connecting rod assembly 602 is sequentially connected with the wedge block 601, the base 1, the driving mechanism 5 and the side positioning nail 301, and is used for controlling the wedge block 601 to rise and synchronously driving the side positioning nail 301 to move away from the bottom support nail 201, or controlling the wedge block 601 to descend and synchronously driving the side positioning nail 301 to move towards the bottom support nail 201.

[0046] The connecting rod assembly 602 comprises a first connecting rod 6021, a second connecting rod 6022, a third connecting rod 6023, a fourth connecting rod 6024 and a fifth connecting rod 6025, the driving mechanism 5 is a first cylinder fixed on the base 1, the first connecting rod 6021 is slidably arranged on the base 1 along the displacement direction of the wedge block 601, one end of the first connecting rod 6021 is fixed on the wedge block 601, the other end of the first connecting rod 6021, the second connecting rod 6022, the third connecting rod 6023, the fourth connecting rod 6024, the fifth connecting rod 6025 and the side positioning nail 301 are sequentially hingedly connected, the third connecting rod 6023 is slidably arranged on the base 1 along the displacement direction of the side positioning nail 301, the fourth connecting rod 6024 and the base 1 are in mutual intersection, and the extension end of the first cylinder is hingedly connected to the hinged joint of the fourth connecting rod 6024 and the fifth connecting rod 6025.

[0047] The base 1 is provided with a through hole 101, the bottom support nail 201 is arranged around the through hole 101, the wedge block 601 is arranged in the through hole 101, a support 102 is fixed in the through hole 101, the support 102 is provided with a guide hole matched with the first connecting rod 6021, and the first connecting rod 6021 is slidably arranged in the guide hole.

[0048] Each bottom surface supporting nail 201 is radially arranged on the base 1 along the through hole 101, and a push rod 202 is arranged on the bottom surface supporting nail 201, one end of the push rod 202 abuts against the corresponding wedge surface, and the first reset spring 203, the bottom surface supporting nail 201 and the push rod 202 are sequentially arranged along the through hole 101 in the radial direction.

[0049] The base 1 is provided with a sliding rail 204, and the sliding rail 204 is provided with a sliding block 205, the sliding block 205 is slidably arranged on the sliding rail 204, and the bottom surface supporting nail 201 is arranged on the sliding block 205.

[0050] One of the bottom surface supporting nails 201 is arranged on the sliding block 205 in the axial direction, and an adjusting spring is arranged between the sliding block 205 and the bottom surface supporting nail 201.

[0051] The base 1 is provided with a sliding groove 103, and a guide plate 302 matched with the sliding groove 103 is slidably arranged in the sliding groove 103, and the side surface positioning nail 301 is fixedly installed on the guide plate 302.

[0052] The pressing mechanism comprises a clamping pressing plate 401, the clamping pressing plate 401 is installed on the base 1, the clamping pressing plate 401 is located above the bottom surface supporting nail 201, the base 1 is provided with a control mechanism 402 for controlling the lifting of the clamping pressing plate 401, the control mechanism 402 is a second air cylinder fixed on the base 1, one end of the second air cylinder is fixed with the clamping pressing plate 401, the clamping pressing plate 401 is slidably installed on the base 1, a second reset spring 403 is arranged between the clamping pressing plate 401 and the base 1, the base 1 is provided with a side surface supporting nail, the side surface supporting nail is used for supporting the end surface on the other side of the control valve, the side surface supporting nail is located between the clamping pressing plate 401 and the bottom surface supporting nail 201, and the axis between the side surface supporting nail 404 and the side surface positioning nail 301 is perpendicular to each other.

[0053] The pneumatic flexible clamp for controlling post-processing of control valve castings adjusts as follows: first, according to the model of the control valve, the first cylinder at the driving mechanism 5 is controlled to drive the connecting rod assembly 602 to move, the fifth connecting rod 6025 drives the guide plate 302 to displace in the sliding groove 103, which drives the side positioning nail 301 to displace, and drives the fourth connecting rod 6024 to rotate through the sixth connecting rod 6026 hinged on the base 1, the first hinge of the sixth connecting rod 6026 is on the base 1, the other end of the sixth connecting rod 6026 is hinged on the fourth connecting rod 6024, and drives the third connecting rod 6023 to slide on the base 1, the third connecting rod 6023 drives the second connecting rod 6022 and the first connecting rod 6021, the first connecting rod 6021 drives the wedge block 601 to rise or fall, the push rod 202 on one side of each bottom supporting nail 201 abuts against the wedge surface of the corresponding wedge block 601, and slides on the base 1 in cooperation with the first reset spring 203, the bottom supporting nails 201 are adjusted to the required position, four bottom supporting nails 201 form a bottom supporting surface matched with the bottom surface of the control valve, and the adjustment is completed.

[0054] When the control valve is clamped, the bottom of the control valve is placed on the bottom supporting surface of the base 1 for support, that is, supported on one end of the main flow channel, at the same time, the side end surface of the control valve is positioned by the side positioning nail 301 on one side, that is, positioned on the end surface on one side of the branch flow channel, finally, the second cylinder is controlled to drive the clamping pressing plate 401 to descend and press on the top of the control valve, that is, the end surface on the other end of the main flow channel, and the clamping of the control valve is completed.

[0055] According to the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited by the content of the specification, and must be determined by the scope of the claims.

Claims

1. A pneumatic flexible gripper for controlling the post-processing of valve castings, comprising a base (1), characterized in that, Also include: The bottom support mechanism (2) is arranged on the base (1), the bottom support mechanism (2) includes at least three bottom support nails (201), the bottom support nails (201) are enclosed to form a bottom support surface for supporting the bottom of the control valve; The end face positioning mechanism (3) is arranged on the base (1), the end face positioning mechanism (3) includes a side positioning nail (301), the side positioning nail (301) is used for contacting and positioning with one side end face of the control valve, and the bottom support surface and the one side end face of the control valve are perpendicular to each other; The top pressing mechanism (4) is arranged on the base (1) and opposite to the bottom support mechanism (2), the top pressing mechanism (4) is used for pressing the top of the control valve, the end face positioning mechanism (3) and the top pressing mechanism (4) are arranged around the bottom support mechanism (2); The driving mechanism (5) is arranged on the base (1); And the linkage mechanism (6) is arranged between the bottom support mechanism (2), the end face positioning mechanism (3) and the driving mechanism (5) and is in driving connection with each other, the bottom support nails (201) are dispersed or gathered to form a bottom support surface matched with the bottom of the control valve, and when the bottom support nails (201) are gathered, the side positioning nail (301) is driven to move towards the bottom support nail (201) direction, and when the bottom support nails (201) are dispersed, the side positioning nail (301) is driven to move away from the bottom support nail (201) direction.

2. A pneumatic flexible gripper for controlling post processing of valve castings according to claim 1, characterized in that: The linkage mechanism (6) includes a wedge block (601) and a connecting rod assembly (602), the wedge block (601) is located in the bottom support surface formed by the bottom support mechanism (2), a plurality of wedge surfaces are arranged on the wedge block (601), the plurality of wedge surfaces are arranged one by one and abut each other with the bottom support nails (201), a first reset spring (203) is arranged between each bottom support nail (201) and the base (1), the connecting rod assembly (602) is connected with the wedge block (601), the base (1), the driving mechanism (5) and the side positioning nail (301) in sequence, the connecting rod assembly (602) is used for controlling the wedge block (601) to rise and synchronously driving the side positioning nail (301) to move away from the bottom support nail (201) direction, or controlling the wedge block (601) to descend and synchronously driving the side positioning nail (301) to move towards the bottom support nail (201) direction.

3. A pneumatic flexible gripper for controlling post processing of valve castings according to claim 2, characterized in that: The connecting rod assembly (602) comprises a first connecting rod (6021), a second connecting rod (6022), a third connecting rod (6023), a fourth connecting rod (6024) and a fifth connecting rod (6025), the driving mechanism (5) is a first cylinder fixed on the base (1), the first connecting rod (6021) is slidably arranged on the base (1) along the displacement direction of the wedge block (601), one end of the first connecting rod (6021) is fixed on the wedge block (601), the other end of the first connecting rod (6021), the second connecting rod (6022), the third connecting rod (6023), the fourth connecting rod (6024), the fifth connecting rod (6025) and the side positioning nail (301) are sequentially and circularly connected, the third connecting rod (6023) is slidably arranged on the base (1) along the displacement direction of the side positioning nail (301), the fourth connecting rod (6024) and the base (1) are connected with each other, and the extension end of the first cylinder is connected with the connecting point of the fourth connecting rod (6024) and the fifth connecting rod (6025).

4. A pneumatic flexible gripper for controlling post processing of valve castings according to claim 3, characterized in that: The base (1) is provided with a through hole (101), the bottom support nail (201) is arranged around the through hole (101), the wedge block (601) is arranged in the through hole (101), the through hole (101) is fixed with a support (102), the support (102) is provided with a guide hole matched with the first connecting rod (6021), and the first connecting rod (6021) is slidably arranged in the guide hole.

5. A pneumatic flexible gripper for controlling post processing of valve castings according to claim 4, characterized in that: Each bottom support nail (201) is slidably arranged on the base (1) along the radial direction of the through hole (101), the bottom support nail (201) is provided with a push rod (202), one end of the push rod (202) abuts against the corresponding wedge surface, and the first reset spring (203), the bottom support nail (201) and the push rod (202) are sequentially arranged along the radial direction of the through hole (101).

6. An air-actuated flexible gripper for controlling post-processing of valve castings according to claim 5, characterized in that: The base (1) is provided with a sliding rail (204), the sliding rail (204) is provided with a sliding block (205), the sliding block (205) is slidably arranged on the sliding rail (204), and the bottom support nail (201) is arranged on the sliding block (205).

7. A pneumatic flexible gripper for controlling post processing of valve castings according to claim 6, characterized in that: One of the bottom support nails (201) is slidably arranged on the sliding block (205) along the axial direction, and an adjusting spring is arranged between the sliding block (205) and the bottom support nail (201).

8. An air-actuated flexible gripper for controlling post-processing of valve castings according to claim 1, characterized in that: The base (1) is provided with a sliding groove (103), a guide plate (302) matched with the sliding groove (103) is slidably arranged in the sliding groove (103), and the side positioning nail (301) is fixedly installed on the guide plate (302).

9. An air-actuated flexible gripper for controlling post-processing of valve castings according to claim 1, characterized in that: The pressing mechanism comprises a clamping pressing plate (401), the clamping pressing plate (401) is installed on the base (1), the clamping pressing plate (401) is located above the bottom support nail (201), and the base (1) is provided with a control mechanism (402) for controlling the lifting of the clamping pressing plate (401).

10. A pneumatic flexible gripper for controlling post processing of valve castings according to claim 9, characterized in that: The control mechanism (402) is a second cylinder fixed on the base (1), the extending end of the second cylinder is fixed with one end of the clamping pressing plate (401), the clamping pressing plate (401) is slidingly installed on the base (1), a second reset spring (403) is arranged between the clamping pressing plate (401) and the base (1), the base (1) is provided with a side surface supporting nail for supporting the end surface on the other side of the control valve, and the side surface supporting nail is located between the clamping pressing plate (401) and the bottom surface supporting nail (201).

Images