Cylindrical radial hole drilling clamp

Abstract

The utility model discloses a cylinder radial hole drilling clamp which comprises a base and an installation frame arranged on the base, a lifting assembly and a clamping assembly are arranged in the installation frame, and the lifting assembly comprises a lifting bolt rotatably arranged on the base and a lifting base arranged on the lifting bolt in a threaded and sleeved mode. The clamping assembly is arranged on a lifting seat in the mounting frame and comprises a threaded pull rod, a left clamping block, a right clamping block and a movable clamp buckle, and the threaded pull rod sequentially penetrates through one side wall of the mounting frame and the lifting seat and then is fixedly matched with a pull rod support arranged on the lifting seat; the left clamping block and the right clamping block are sequentially connected to the threaded pull rod in a threaded and sleeving mode, the rotating directions of the left clamping block and the right clamping block are opposite, and the thread pitches are the same. The movable clamp buckle is clamped in the middle of the lifting seat, and the left clamping block and the right clamping block are arranged on the two sides of the movable clamp buckle and movably abut against the two sides of the movable clamp buckle. By arranging the lifting assembly, lifting of the clamping assembly on the lifting base is achieved, and fixing of cylinders with different diameters is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bench worker drilling jig, specifically relates to a cylindrical radial hole drilling jig. BACKGROUND

[0002] The person who does the bench worker is all more afraid to hit radial hole on the cylinder, is not only easy to hit the deviation, hole is easy to become big, and drill bit is easy to break. Main reason one is that cylindrical part is not easy to hold, two is that twist drill vertical direction cylinder's axis is difficult to find accurately, three is that the clamping speed does not keep up when batch processing.

[0003] At present, the ideal jig for processing radial hole on the cylinder is V-shaped frame, but drill jig needs to be designed and made. There is only self-centering type clamping equipment on the market, which is not easy to process on bench drill type equipment, and it is difficult to clamp when the workpiece is long. UTILITY MODEL CONTENTS

[0004] In order to make up for the deficiency of prior art, the utility model provides a cylindrical radial hole drilling jig to realize the fixation of different specifications of cylinder and facilitate the processing of radial hole on the cylinder.

[0005] The cylindrical radial hole drilling jig, including base and installation frame set on the base, lifting assembly and clamping assembly are arranged in the installation frame, the lifting assembly includes lifting bolt rotatably arranged on the base and lifting seat threadedly sleeved on the lifting bolt; the clamping assembly is arranged on the lifting seat in the installation frame, including threaded pull rod, left clamping block, right clamping block and movable pincers, the threaded pull rod is sequentially arranged through the side wall of the installation frame and the lifting seat and is fixed with the pull rod support arranged on the lifting seat; the left clamping block and the right clamping block are sequentially threadedly sleeved on the threaded pull rod, and the rotation directions of the left clamping block and the right clamping block are opposite, and the pitches are same; the movable pincers are clamped in the middle of the lifting seat, and the left clamping block and the right clamping block are arranged on the two sides of the movable pincers and movably abut the two sides of the movable pincers;

[0006] The workpiece to be processed is arranged on the movable pincers, the threaded pull rod is rotated to adjust the left clamping block and the right clamping block to abut the two sides of the movable pincers; the lifting bolt is adjusted, so that the lifting seat and the clamping assembly are synchronously lifted, and the top of the workpiece to be processed abuts the top of the installation frame, so that the workpiece to be processed is fixed.

[0007] Further, the lower end surface of the base is provided with a concave accommodating groove, an adjusting knob is arranged in the accommodating groove, the lower part of the lifting bolt is arranged through the base and is fixed with the adjusting knob, the adjusting knob is rotated to drive the rotation of the lifting bolt, and then the lifting of the lifting seat is driven.

[0008] Further, the lifting seat comprises a lifting column and a lifting platform integrally arranged, a through hole is arranged through the lifting column and the lifting platform, and an inner thread is arranged in the through hole; an outer thread arranged on the lifting bolt is matched and screwed with the inner thread; a baffle is arranged on one side of the lifting platform, the pull rod support is arranged opposite to the baffle, and a mounting hole is arranged on the baffle; the threaded pull rod is rotatably matched with the pull rod support after penetrating the mounting hole.

[0009] Further, the lifting platform is arranged with a displacement slot on the other two sides opposite to the baffle and the pull rod support, and a clamping movable clamp is matched.

[0010] Further, the movable clamp comprises a V-shaped block and a support plate arranged at both ends of the bottom of the V-shaped block, the support plate is matched and clamped with the displacement slot on the two sides respectively; the V-shaped groove on the top end surface of the V-shaped block has an included angle of 130°, and the two side walls are arranged as a 45° inclined surface I, the side wall of the left clamping block and the right clamping block that is movably abutted with the movable clamp is arranged as a 45° inclined surface II corresponding to the inclined surface I.

[0011] Further, a spring is arranged between the support plate and the lifting column, the top of the spring is matched and connected with the support plate, and the bottom of the spring is fixedly connected with the lifting column through a pull pin.

[0012] Further, the mounting frame comprises an open frame on one side and a side plate matched with the open frame, a stroke groove is arranged on the side plate, and the stroke groove is arranged longitudinally; the end of the threaded pull rod matched with the baffle penetrates the stroke groove and is assembled with a hand wheel, and the lifting of the lifting seat drives the threaded pull rod to move up and down along the stroke groove.

[0013] Further, the two side walls of the open frame are correspondingly arranged with machining windows for taking and placing and machining the workpiece; the machining window has a pentagonal structure, the top angle of the pentagonal structure is 130°, and the two bottom angles are 90°.

[0014] Further, a through hole is arranged on the top of the open frame and matched with a drill sleeve; and the top wall of the open frame is arranged as an inverted V-shaped structure corresponding to the top of the machining window, the included angle of the inverted V-shaped structure is 130°, and the included angle of the V-shaped groove on the top end surface of the V-shaped block is correspondingly arranged.

[0015] Compared with the prior art, the utility model have following advantages: The structure of the present application is concentrated and simple; the lifting of the clamping assembly on the lifting seat is realized through the lifting assembly, and the fixing of the cylinders with different diameters is realized; the clamping assembly is designed as the cooperation of the threaded pull rod, the left clamping block, the right clamping block and the movable pincer buckle (the V-shaped block of the movable pincer buckle), the relative movement of the left clamping block and the right clamping block is driven through the rotation of the threaded pull rod until abutting against the movable pincer buckle, the annular bottom wall of the cylinder is further fixed, and the movement of the cylinder is avoided. The top wall of the surrounding frame and the top end face of the V-shaped block are both designed as V-shaped and set as 130°, not only the self-centering function is realized, and the fixing of the cylinder to be processed is ensured, but also the processing range of the clamp is expanded, and the cylinders with various specifications are adapted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the side view structural drawing of the utility model;

[0018] Figure 3 It is one of the internal sectional view of the utility model (the working state when clamping the minimum outer diameter workpiece to be processed);

[0019] Figure 4 It is the second internal sectional view of the utility model (the working state when clamping the maximum outer diameter workpiece to be processed);

[0020] Figure 5 It is the third internal sectional view of the utility model;

[0021] Figure 6 It is the structural schematic drawing of the clamping assembly and the lifting assembly of the utility model;

[0022] Figure 7 It is the structural schematic drawing of the mounting frame of the utility model;

[0023] Figure 8 It is the structural schematic drawing of the lifting seat of the utility model;

[0024] Figure 9 It is the structural schematic drawing of the movable pincer buckle of the utility model.

[0025] In the figure: 1-base, 11-housing groove, 2-mounting frame, 21-enclosure, 211-through hole, 22-side plate, 23-stroke slot, 24-processing window, 3-lifting assembly, 31-lifting bolt, 32-lifting seat, 321-lifting column, 322-lifting platform, 323-baffle, 324-through hole, 325-giving way slot, 33-adjusting knob, 4-clamping assembly, 41-threaded pull rod, 42-left clamping block, 43-right clamping block, 44-moving pincers, 441-V-shaped block, 442-branch plate, 45-pull rod support, 46-hand wheel, 5-drill sleeve, 6-spring, 7-pull pin. DETAILED DESCRIPTION

[0026] In order to make the person skilled in the art more clearly understand the technical scheme of the present application, the utility model will be further described below in combination with the drawings.

[0027] As Figures 1-6 shown in the embodiment, a cylindrical radial hole drilling clamp, comprising a base 1 and a mounting frame 2 arranged on the base 1, a lifting assembly 3 and a clamping assembly 4 are arranged in the mounting frame 2, the lifting assembly 3 comprises a lifting bolt 31 rotatably arranged on the base 1 and a lifting seat 32 threadedly sleeved on the lifting bolt 31; the clamping assembly 4 is arranged on the lifting seat 32 in the mounting frame 2, comprising a threaded pull rod 41, a left clamping block 42, a right clamping block 43 and a moving pincers 44, the threaded pull rod 41 is sequentially threaded through a side wall of the mounting frame 2 and the lifting seat 32 and then fixedly cooperated with a pull rod support 45 arranged on the lifting seat 32; the left clamping block 42 and the right clamping block 43 are sequentially threadedly sleeved on the threaded pull rod 41, and the left clamping block 42 and the right clamping block 43 are opposite in rotation direction and have the same pitch; the moving pincers 44 is clamped in the middle of the lifting seat 32, and the left clamping block 42 and the right clamping block 43 are arranged on both sides of the moving pincers 44 and movably abut against both sides of the moving pincers 44.

[0028] It can be understood that the workpiece to be processed is placed on the moving jaw 44, the threaded pull rod 41 is rotated to adjust the left clamping block 42 and the right clamping block 43 to move towards each other until they abut against both sides of the moving jaw 44; the lifting bolt 31 is adjusted so that the lifting seat 32 and the clamping assembly 4 are synchronously lifted until the top of the workpiece to be processed abuts against the top of the mounting frame 2, thereby achieving the fixation of the workpiece to be processed. In the embodiment, the threaded pull rod 41 includes a first threaded section 411 and a second threaded section 412, the first threaded section 411 and the second threaded section 412 have the same thread length, opposite rotation directions and the same pitch, so as to ensure the synchronous opening and closing of the left clamping block 42 and the right clamping block 43; the outer diameter of the first threaded section 411 is smaller than that of the second threaded section 412, the first threaded section 411 cooperates with the left clamping block 42, and the second threaded section 412 cooperates with the right clamping block 43. That is, in order to ensure the symmetry of the end faces of the left clamping block 42 and the right clamping block 43, the right threaded hole (cooperating with the second threaded section 412) on the right clamping block 43 is coaxially arranged with the left threaded hole (cooperating with the first threaded section 411) of the left clamping block 42, and the hole diameter of the right thread is larger than that of the left thread.

[0029] As shown in Figure 7 The mounting frame 2 includes an open frame 21 and a side plate 22 cooperating with the open frame 21, the side plate 22 is provided with a stroke groove 23 arranged longitudinally; one end of the threaded pull rod 41 cooperating with the baffle 323 is arranged in the stroke groove 23 and assembled with the hand wheel 46, and the lifting of the lifting seat 32 drives the threaded pull rod 41 to move up and down along the stroke groove 23. In order to facilitate the taking, placing and processing of the workpiece to be processed, the processing windows 24 are correspondingly arranged on the two side walls of the open frame 21; in the embodiment, the processing window 24 has a pentagonal structure, the top angle of the pentagonal structure is 130°, and the two bottom angles are 90°. The open frame 21 is provided with a through hole 211 at the top, cooperating with the drill sleeve 5; and the top wall of the open frame 21 is arranged as an inverted V-shaped structure corresponding to the upper isosceles triangle of the processing window 24, and in a specific preferred embodiment, the included angle of the inverted V-shaped structure is 130°. The drill sleeve 5 can be replaced according to the hole diameter of the through hole 211.

[0030] In the embodiment, the lower end face of the base 1 is provided with a concave accommodating groove 11, the adjusting knob 33 is arranged in the accommodating groove 11, the lower part of the lifting bolt 31 is arranged in the base 1 and cooperates with the adjusting knob 33 to be fixed, the rotation of the adjusting knob 33 drives the rotation of the lifting bolt 31, and then drives the lifting of the lifting seat 32.

[0031] As shown in Figure 8As shown, the lifting seat 32 comprises a lifting column 321 and a lifting platform 322 which are integrally arranged, a through hole 324 is arranged through the lifting column 321 and the lifting platform 322, and an inner thread is arranged in the through hole 324; an outer thread arranged on the lifting bolt 31 is matched and screwed with the inner thread; a baffle 323 is arranged on one side of the lifting platform 322, the pull rod support 45 is arranged relative to the baffle 323, and a mounting hole is arranged on the baffle 323, and the threaded pull rod 41 is rotatably matched with the pull rod support 45 after being arranged through the mounting hole. The lifting platform 322 is arranged with a displacement slot 325 on the other two sides relative to the baffle 323 and the pull rod support 45, and is matched and clamped with the moving clamp 44.

[0032] As shown in the figure, Figure 9 The moving clamp 44 comprises a V-shaped block 441 and a support plate 442 arranged at both ends of the bottom of the V-shaped block 441, and the support plate 442 is matched and clamped with the displacement slot 325 on both sides; the V-shaped groove on the top end surface of the V-shaped block 441 has an angle of 130°, and the V-shaped groove angle is arranged corresponding to the top wall of the surrounding frame 21; the two side walls are arranged as a 45° inclined surface I, and the side wall where the left clamping block 42 and the right clamping block 43 movably abut against the moving clamp 44 is arranged as a 45° inclined surface II corresponding to the inclined surface I. A spring 6 is arranged between the support plate 442 and the lifting column 321, the top of the spring 6 is matched and connected with the support plate 442, and the bottom is matched with the pull pin 7 and fixedly connected with the lifting column 321. The spring 6 is arranged on both sides of the moving clamp 44, so that the two 45° inclined surfaces I of the moving clamp 44 are always in close contact with the 45° inclined surfaces II of the left and right clamping blocks 45, and as long as the threaded pull rod 41 is rotated, the moving clamp 44 can move up and down stably, realize the fine adjustment of clamping, and the fine adjustment clamping is generally used in batch processing.

[0033] It can be seen that the top wall of the surrounding frame 21 and the top end surface of the V-shaped block 441 are both designed as V-shaped and arranged as corresponding 130°, which not only can realize the self-centering function and ensure the fixation of the cylindrical to be processed (i.e. the top of the cylindrical abuts against the inverted V-shaped top wall of the surrounding frame 21, and the bottom of the cylindrical abuts against the top end surface of the V-shaped block 441); but also can expand the processing range of the clamp and adapt to various specifications of the cylindrical.

[0034] The fixture installation sequence of the present application is: (1) install the movable clamping jaw seat group: first screw the right clamping block 43 into the second threaded section 412 of the threaded pull rod 41, then screw the left clamping block 42 into the first threaded section 411 of the threaded pull rod 41, adjust the distance between the two clamping blocks to be substantially equal at the step of the two threaded sections of the threaded pull rod 41; install the pull rod support 45 (the pull rod support 45 is fastened with the lifting platform 322 through fastening bolts / screws), insert the movable jaw buckle 41 into the lifting platform 322 (ensure that the support plate 442 at the lower end of the movable jaw buckle 41 is inserted into the accommodation slot 325 of the lifting seat), install the spring 6 to make the two 45° inclined surfaces I of the movable jaw buckle 41 tightly contact with the 45° inclined surfaces II of the left and right clamping blocks; (2) insert the movable clamping jaw seat group into the surrounding frame 21, install the lifting bolt 31 on the base 1 and assemble with the lifting seat 32, cover the side plate 22; (3) assemble the hand wheel 46 and the drill sleeve 5.

[0035] When a single cylinder is processed, the lifting adjustment is performed through the lifting assembly 3, so that the top of the cylinder abuts against the inverted V-shaped top wall of the surrounding frame 21, and the bottom of the cylinder abuts against the V-shaped groove on the top end face of the V-shaped block 441; when a batch of cylinders are processed, the left clamping block 42 and the right clamping block 43 can be finely adjusted through the hand wheel 46, so as to ensure that the left clamping block 42 and the right clamping block 43 abut against the two sides of the movable jaw buckle 44.

[0036] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cylindrical radial hole drilling jig comprising a base (1) and a mounting frame (2) provided on the base (1), characterized in that, Also includes Lifting assembly (3), including rotatably arranged on the base (1) lifting bolt (31) and threaded sleeve set on the lifting bolt (31) lifting seat (32), the lifting seat (32) is placed in the mounting frame (2); And Clamping assembly (4), arranged on the lifting seat (32) in the mounting frame (2), including threaded pull rod (41), left clamping block (42), right clamping block (43) and moving pincers (44), the threaded pull rod (41) is threaded through the side wall of the mounting frame (2) and the lifting seat (32) in turn and fixed with the pull rod support (45) arranged on the lifting seat (32); the left clamping block (42) and the right clamping block (43) are threaded on the threaded pull rod (41) in turn, and the rotation direction of the left clamping block (42) and the right clamping block (43) is opposite and the pitch is the same; the moving pincers (44) are clamped in the middle of the lifting seat (32), the left clamping block (42) and the right clamping block (43) are placed on both sides of the moving pincers (44) and are in movable abutment with both sides of the moving pincers (44). When the workpiece to be processed is in a fixed clamping state, the workpiece to be processed is placed on the moving pincers (44), the left clamping block (42) and the right clamping block (43) are respectively in abutment with both sides of the moving pincers (44), and the top of the workpiece to be processed is in abutment with the top of the mounting frame (2).

2. A cylindrical radial hole drilling jig according to claim 1, wherein The lower end surface of the base (1) is provided with an inner recessed accommodating groove (11), and the adjusting knob (33) is arranged in the accommodating groove (11), the lower part of the lifting bolt (31) is threaded through the base (1) and fixed with the adjusting knob (33), and rotating the adjusting knob (33) drives the rotation of the lifting bolt (31), and in turn drives the lifting of the lifting seat (32).

3. A cylindrical radial hole drilling jig according to claim 2, wherein The lifting seat (32) comprises an integral lifting column (321) and a lifting platform (322), a through hole (324) is arranged through the lifting column (321) and the lifting platform (322), and an internal thread is arranged in the through hole (324); the external thread arranged on the lifting bolt (31) is screwed with the internal thread; the lifting platform (322) is provided with a baffle (323) on one side, the pull rod support (45) is arranged opposite to the baffle (323), and the baffle (323) is provided with a mounting hole, the threaded pull rod (41) is threaded through the mounting hole and rotatably connected with the pull rod support (45).

4. A cylindrical radial hole drilling jig according to claim 3, wherein The lifting platform (322) is provided with a clearance slot (325) on the other two sides opposite to the baffle (323) and the pull rod support (45), and is matched with the clamping of the moving pincers (44).

5. A cylindrical radial hole drilling jig according to claim 4, wherein The moving pincers (44) comprise a V-shaped block (441) and a support plate (442) arranged at both ends of the bottom of the V-shaped block (441), the support plate (442) is respectively clamped with the clearance slot (325) on both sides; the V-shaped groove on the top end surface of the V-shaped block (441) has an angle of 130°, and the two side walls are provided with a 45° inclined surface I, the side wall of the left clamping block (42) and the right clamping block (43) in movable abutment with the moving pincers (44) is provided with a 45° inclined surface II corresponding to the inclined surface I.

6. A cylindrical radial hole drilling jig according to claim 5, wherein The spring (6) is arranged between the support plate (442) and the lifting column (321), the top of the spring (6) is connected with the support plate (442), and the bottom of the spring (6) is fixedly connected with the lifting column (321) through the pull pin (7).

7. A cylindrical radial hole drilling jig according to claim 5 or 6, wherein The mounting rack (2) comprises an open frame (21) and a side plate (22) matched with the open frame (21), the side plate (22) is provided with a stroke slot (23) arranged longitudinally, one end of the threaded pull rod (41) matched with the baffle (323) is assembled with a hand wheel (46) after penetrating through the stroke slot (23), and the lifting of the lifting seat (32) drives the threaded pull rod (41) to move up and down along the stroke slot (23).

8. A cylindrical radial hole drilling jig according to claim 7, wherein Corresponding machining windows (24) are arranged on the two side walls of the open frame (21) for taking and placing and machining the workpiece; the machining window (24) is a pentagonal structure, the top angle of the pentagonal structure is 130°, and the two bottom angles are 90°.

9. A cylindrical radial hole drilling jig according to claim 7, wherein The open frame (21) is provided with a through hole (211) at the top for matching and assembling a drill sleeve (5), and the top wall of the open frame (21) is provided with a reverse V-shaped structure corresponding to the top of the machining window (24), the included angle of the reverse V-shaped structure is 130°, and the included angle of the V-shaped groove on the top surface of the V-shaped block (441) is correspondingly arranged.

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