Drilling clamp for casting valve

Abstract

The utility model discloses a drilling fixture for casting a valve, which comprises a first supporting piece, the first supporting piece is connected with a second supporting piece through a first lifting assembly, the second supporting piece is matched with a second lifting assembly to be connected with two groups of third supporting pieces, and two ends of each third supporting piece are respectively connected with a punching piece and a tapping piece through adjusting assemblies. The second lifting assembly comprises a motor, a screw rod and sliding rods, the motor is installed at the top end of the second supporting piece, the output end of the motor is connected with the screw rod, the screw rod penetrates through the third supporting piece and is in threaded connection with the third supporting piece, and the two sets of sliding rods penetrate through the third supporting piece and are in sliding connection with the third supporting piece. The third supporting piece in threaded connection with the third supporting piece slides and ascends and descends along the sliding rod, adjustment of the punching piece and the tapping piece can be achieved in cooperation with the adjusting assembly, synchronous adjustment of the punching piece and the tapping piece can be achieved, and the tapping accuracy after punching is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling fixtures, in particular to a drilling fixture for casting valves. Background Art

[0002] The drilling fixture for casting valves belongs to the technical field of valve body processing fixtures. It is particularly suitable for valve bodies with special shapes and can be used to drill holes in valve flanges. The drilling fixture is a fixture specially used for accurately drilling holes on workpieces. It usually consists of a clamp body, a positioning element, a clamping device, a guide element, a tool setting device or a guiding element, as well as a connecting element and a clamp body base.

[0003] In order to adapt to valves of different types and sizes, the drilling fixture in the prior art needs to adjust the position of the punching piece, but it is generally adjusted manually, and the adjustment efficiency is low. In addition, the punching pieces generally work in multiple groups at the same time. Inaccurate adjustment can easily affect the accuracy of the punching, and thus affect the punching efficiency. For this reason, we propose a drilling fixture for casting valves. Utility Model Content

[0004] The purpose of the utility model is to provide a drilling fixture for casting valves to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drilling fixture for casting valves, comprising a first support member, the first support member is connected to a second support member through a first lifting assembly, the second support member cooperates with the second lifting assembly to be connected to two groups of third support members, the two ends of the third support member are respectively connected to a punching member and a tapping member through an adjusting assembly, the second lifting assembly comprises a motor, a screw and a sliding rod, the motor is installed at the top end of the second support member, the output end of the motor is connected to the screw, the screw passes through the third support member and the two are threadedly connected, the third support member is penetrated by the two groups of sliding rods, and the two are slidably connected.

[0006] Preferably, the adjustment assembly includes a connecting seat, a connecting rod, a slider and a slide groove, a group of the connecting seats are installed at each end of the third support member, four groups of rotatable connecting rods are equidistantly installed on the outer wall of the connecting seat in a circular shape, the other end of the connecting rod is hinged to the slider, the slider can slide along the slide groove opened in the second support member, and can be reset in cooperation with a reset member, the sliders at both ends of the third support member are used to install the punching member and the tapping member respectively.

[0007] Preferably, the reset member includes a telescopic rod and a spring, the telescopic rod is installed on one side of the sliding block, and the spring is sleeved on the outside of the telescopic rod.

[0008] Preferably, the first lifting assembly includes two first electric push rods, and two first electric push rods are symmetrically installed on both sides of the first support member. The output end of the first electric push rod is connected to the second support member.

[0009] Preferably, clamping assemblies are arranged at both ends of the upper surface of the first support member corresponding to the punching member and the tapping member. The clamping assembly includes a second electric push rod and a clamping block. Two second electric push rods are symmetrically and mirror - installed on both sides of the first support member, and the output end of the second electric push rod is installed with the clamping block.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. By starting the motor, the present utility model drives the screw rod to rotate, so that the third support member thread - connected thereto slides up and down along the slide rod. It can cooperate with the adjustment assembly to adjust the punching member and the tapping member, can realize the synchronous adjustment of the two, ensure the accuracy of tapping after punching. Compared with the prior art, it can realize automatic adjustment, has high adjustment efficiency, is more accurate, and can realize the synchronous adjustment of the two to ensure the accuracy of tapping after punching.

[0012] 2. When the third support member descends, it will push the connecting seat to descend, thereby driving the connecting rod to push the slider to slide along the chute, and compress the telescopic rod and the spring. It can realize the synchronous adjustment of each punching member and tapping member to ensure the accuracy of punching and tapping. A telescopic member is also installed at the bottom of the connecting seat, which can play a role in stabilizing its lifting. When the third support member rises, the spring resets, and its elastic force will also assist in pushing the slider to reset, playing an auxiliary role.

[0013] 3. Through the lifting of the first electric push rod, the present utility model can drive the second support member to lift, thereby driving the punching member and the tapping member to lift, so as to realize punching and tapping of the valve flange member. The clamping assembly provided can clamp and fix the valve. By extending the second electric push rod, the clamping block can be pushed to move, and the valve can be clamped and fixed by the clamping block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a half - sectional view of the overall structure of the present utility model;

[0016] Figure 3 is an enlarged view of part A of the structure of the present utility model.

[0017] In the figure: 1. first support member, 2. second support member, 3. third support member, 4. punching member, 5. tapping member, 6. motor, 7. screw rod, 8. slide rod, 9. connecting seat, 10. connecting rod, 11. slider, 12. slide groove, 13. telescopic rod, 14. spring, 15. first electric push rod, 16. second electric push rod, 17. clamping block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1

[0020] Please refer to Figure 1-3 As shown, the utility model provides a drilling fixture for casting valves, including a first support member 1, the first support member 1 is connected to the second support member 2 through a first lifting assembly, the second support member 2 cooperates with the second lifting assembly to be connected to two groups of third support members 3, the two ends of the third support member 3 are respectively connected to a punching member 4 and a tapping member 5 through an adjusting assembly, the second lifting assembly includes a motor 6, a screw 7 and a sliding rod 8, the motor 6 is installed at the top end of the second support member 2, the output end of the motor 6 is connected to the screw 7, the screw 7 passes through the third support member 3 and the two are threadedly connected, the third support member 3 is passed through by two groups of sliding rods 8, and the two are slidably connected.

[0021] In this embodiment, by starting the motor 6, the screw 7 is driven to rotate, so that the third support member 3 threadedly connected thereto slides and rises and falls along the slide rod 8, and the adjustment component can be cooperated to realize the adjustment of the punching member 4 and the tapping member 5, and the synchronous adjustment of the two can be realized to ensure the accuracy of tapping after punching. Compared with the existing technology, automatic adjustment can be realized, the adjustment efficiency is high, and it is more precise, and the synchronous adjustment of the two can be realized to ensure the accuracy of tapping after punching.

[0022] Please refer to Figure 1-3As shown, the adjustment assembly includes a connecting seat 9, a connecting rod 10, a slider 11 and a slide groove 12. A group of connecting seats 9 are installed at each end of the third support member 3. Four groups of rotatable connecting rods 10 are installed on the outer wall of the connecting seat 9 in a circumferentially equidistant manner. The other end of the connecting rod 10 is hinged to the slider 11. The slider 11 can slide along the slide groove 12 provided on the second support member 2 and be reset in cooperation with the reset member. The sliders 11 at both ends of the third support member 3 are respectively used to install the punching member 4 and the tapping member 5. The reset member includes a telescopic rod 13 and a spring 14. The telescopic rod 13 is installed on one side of the slider 11, and the spring 14 is sleeved on the outside of the telescopic rod 13.

[0023] In this embodiment, when the third support member 3 is lowered, the connecting seat 9 will be pushed down, thereby driving the connecting rod 10 to push the slider 11 to slide along the slide groove 12, and compressing the telescopic rod 13 and the spring 14, so as to realize the synchronous adjustment of each group of punching members 4 and tapping members 5 to ensure the accuracy of punching and tapping. A telescopic member is also installed at the bottom of the connecting seat 9 to stabilize its lifting and lowering. When the third support member 3 is raised, the spring 14 is reset, and its elastic force will also assist in pushing the slider 11 to reset, playing an auxiliary role.

[0024] Please refer to Figure 1-3 As shown, the first lifting assembly includes two groups of first electric push rods 15, and the two groups of first electric push rods 15 are symmetrically installed on both sides of the first support member 1. The output end of the first electric push rod 15 is connected to the second support member 2, and clamping assemblies are provided at both ends of the upper surface of the first support member 1 corresponding to the punching member 4 and the tapping member 5. The clamping assembly includes a second electric push rod 16 and a clamping block 17. The two groups of second electric push rods 16 are symmetrically installed on both sides of the first support member 1, and the clamping block 17 is installed on the output end of the second electric push rod 16.

[0025] In this embodiment, the lifting and lowering of the first electric push rod 15 can drive the lifting and lowering of the second support member 16, thereby driving the lifting and lowering of the punching member 4 and the tapping member 5, thereby realizing the punching and tapping of the valve flange. The valve can be clamped and fixed by the provided clamping assembly, and the extension of the second electric push rod 16 can push the clamping block 17 to move, and the valve can be clamped and fixed by the clamping block 17.

[0026] Working principle: First, by starting the motor 6, the screw rod 7 is driven to rotate, so that the third support member 3 threadedly connected thereto slides and rises and falls along the slide rod 8. When the third support member 3 is lowered, the connecting seat 9 will be pushed down, thereby driving the connecting rod 10 to push the slider 11 to slide along the slide groove 12, and compressing the telescopic rod 13 and the spring 14, so as to realize the synchronous adjustment of each group of punching members 4 and tapping members 5 to ensure the accuracy of punching and tapping. When the third support member 3 is raised, the spring 14 is reset, and its elastic force will also assist in pushing the slider 11 to reset, playing an auxiliary role. By lifting and lowering the first electric push rod 15, the second support member 16 can be driven to lift and lower, thereby driving the punching member 4 and the tapping member 5 to lift and lower, thereby realizing the punching and tapping of the valve flange. By extending the second electric push rod 16, the clamping block 17 can be pushed to move, and the valve is clamped and fixed by the clamping block 17.

[0027] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A drilling fixture for a casting valve, comprising a first support member (1), characterized in that: The first support member (1) is connected to the second support member (2) through a first lifting assembly; the second support member (2) cooperates with the second lifting assembly to be connected to two groups of third support members (3); the two ends of the third support member (3) are respectively connected to a punching member (4) and a tapping member (5) through an adjustment assembly; the second lifting assembly comprises a motor (6), a screw rod (7) and a sliding rod (8); the motor (6) is installed at the top end of the second support member (2); the output end of the motor (6) is connected to the screw rod (7); the screw rod (7) passes through the third support member (3) and the two are threadedly connected; the third support member (3) is passed through by the two groups of sliding rods (8) and the two are slidably connected.

2. A drilling fixture for casting valves according to claim 1, characterized in that: The adjustment component comprises a connecting seat (9), a connecting rod (10), a sliding block (11) and a sliding groove (12); a group of the connecting seat (9) is installed at each end of the third support member (3); four groups of rotatable connecting rods (10) are installed on the outer wall of the connecting seat (9) at equal intervals in a circle; the other end of the connecting rod (10) is hinged to the sliding block (11); the sliding block (11) can slide along the sliding groove (12) provided on the second support member (2) and can be reset in cooperation with the reset member; the sliding blocks (11) at the two ends of the third support member (3) are used to install the punching member (4) and the tapping member (5) respectively.

3. A drilling fixture for casting valves according to claim 2, characterized in that: The reset member comprises a telescopic rod (13) and a spring (14); the telescopic rod (13) is installed on one side of the slider (11); and the spring (14) is sleeved on the outside of the telescopic rod (13).

4. The drilling fixture for casting valves according to claim 1, characterized in that: The first lifting assembly comprises two groups of first electric push rods (15), the two groups of the first electric push rods (15) are symmetrically mounted on both sides of the first support member (1), and the output ends of the first electric push rods (15) are connected to the second support member (2).

5. The drilling fixture for casting valves according to claim 1, characterized in that: Clamping assemblies are provided at both ends of the upper surface of the first support member (1) corresponding to the punching member (4) and the tapping member (5), and the clamping assembly comprises a second electric push rod (16) and a clamping block (17). Two groups of the second electric push rods (16) are symmetrically mounted on both sides of the first support member (1) in a mirror-like manner, and the clamping block (17) is mounted on the output end of the second electric push rod (16).

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