Baffle drilling positioning fixture

By employing a two-point positioning structure of a positioning frame and a clamping block in the baffle drilling positioning fixture, the problem of insufficient clamping stability when the workpiece length is long in the prior art is solved, and stable clamping and efficient processing of the baffle are achieved.

CN224333482UActive Publication Date: 2026-06-09卓昀(辽宁)精密制造科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
卓昀(辽宁)精密制造科技有限公司
Filing Date
2025-07-24
Publication Date
2026-06-09

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    Figure CN224333482U_ABST
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Abstract

This utility model provides a baffle drilling positioning fixture, belonging to the field of drilling positioning technology. The baffle drilling positioning fixture includes: a support frame, a positioning frame, a clamping block, a pressing block, a cylinder, a lifting plate, a connecting rod, and a clearance hole. By installing four positioning frames on both sides of the top of the support frame, the four positioning frames are arranged in pairs facing each other, and the two opposing clamping blocks are located between the two opposing positioning frames, so that the clamping blocks and positioning frames can cooperate to clamp the baffle, thereby improving the stability of the baffle. Moreover, when the baffle is long, the baffle can be clamped by two positioning frames and two clamping blocks, thereby achieving two-point positioning of the baffle and further improving the stability of the baffle. When the baffle is short, the baffle can be clamped by one positioning frame and one clamping block, thereby increasing the number of baffles clamped at one time and improving the efficiency of baffle processing.
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Description

Technical Field

[0001] This utility model belongs to the field of drilling positioning technology, specifically relating to a baffle drilling positioning fixture. Background Technology

[0002] In related technologies, when drilling holes in a baffle, it is necessary to clamp and position the baffle to improve the drilling accuracy.

[0003] The prior art (authorization announcement number: CN216006072U) discloses a positioning fixture for an electroplating parts machining center, including: a fixture body, a first movable block, a second movable block, and a telescopic plate. The first movable block is arranged on the left side of the upper surface of the fixture body, and the second movable block is arranged on the right side of the upper surface of the fixture body. A telescopic plate is arranged above both the first and second movable blocks, and a fixed block is arranged on the left and right sides of the two telescopic plates respectively. By setting a rotating table, the machining position and angle of the electroplated parts can be rotated and adjusted. By setting the telescopic plate, electroplated parts of different specifications can be clamped and fixed. In practical use, it is more suitable for the field of electroplating parts machining technology.

[0004] In this prior art, the workpiece is clamped by a telescopic plate; however, since the two telescopic plates can only clamp one point of the workpiece, the stability of clamping the workpiece will be reduced when the length of the workpiece is long. Utility Model Content

[0005] To address the issue in existing technologies where two telescopic plates can only clamp a workpiece at one point, thus reducing clamping stability for longer workpieces, this invention provides a baffle drilling positioning fixture. This fixture uses two positioning frames and two clamping blocks to clamp the baffle, achieving two-point positioning and further improving baffle stability. The specific technical solution is as follows:

[0006] A baffle drilling positioning fixture includes: a support frame, a positioning frame, clamping blocks, pressing blocks, a cylinder, a lifting plate, connecting rods, and clearance holes. The positioning frame is L-shaped, with four positioning frames installed on both sides of the top of the support frame, and the four positioning frames are arranged opposite each other in pairs. One side of the clamping block is inclined, and the four clamping blocks are arranged opposite each other in pairs, with the two opposite clamping blocks located between the two opposite positioning frames. Both sides of the pressing block are inclined, and two pressing blocks are located between the two opposite clamping blocks, with the inclined surfaces on both sides of the pressing block respectively abutting against the inclined surfaces of the two clamping blocks. The cylinder is installed on the top of the support frame and is located between the two pressing blocks. The lifting plate is located inside the support frame and is connected to the cylinder. One end of each of the two connecting rods is connected to the lifting plate, and the other ends of the two connecting rods pass through the top of the support frame, and the other ends of the two connecting rods are respectively connected to the two pressing blocks. Two clearance holes are provided on the top of the support frame and are respectively arranged around the outside of the two connecting rods.

[0007] In addition, the baffle drilling positioning fixture in the above-mentioned technical solution provided by this utility model may also have the following additional technical features:

[0008] In the above technical solution, the baffle drilling positioning fixture also includes: a guide seat, a connecting block, and a guide rod; the guide seat is installed on the top of the support frame and is located on one side of the clamping block; the connecting block is connected to the side wall of the clamping block and is opposite to the guide seat; one end of the guide rod is connected to the guide seat and the other end of the guide rod passes through the connecting block.

[0009] In the above technical solution, the baffle drilling positioning fixture also includes: a spring; the spring is sleeved on the outside of the guide rod, one end of the spring is connected to the guide seat, and the other end of the spring is connected to the connecting block.

[0010] In the above technical solution, the baffle drilling positioning fixture also includes: a bearing housing and a linear bearing; the bearing housing is installed at the bottom of the top wall of the support frame and is arranged around the outside of the connecting rod; the linear bearing is installed inside the bearing housing and is fitted onto the outside of the connecting rod.

[0011] In the above technical solution, the baffle drilling positioning fixture also includes: positioning pins; the positioning pins have a trapezoidal cross section, multiple positioning pins are installed on the top of the support frame, and the positioning pins are located between the positioning frame and the clamping block.

[0012] In the above technical solution, the baffle drilling positioning fixture also includes: a chip removal groove; the chip removal groove is elongated and is located on the top of the support frame, and is located between the positioning frame and the clamping block.

[0013] In the above technical solution, the baffle drilling positioning fixture also includes: mounting slots; the mounting slots are U-shaped, and four mounting slots are set on both sides of the support frame.

[0014] The baffle drilling positioning fixture of this utility model has the following advantages compared with the prior art:

[0015] 1. By installing four positioning frames on both sides of the top of the support frame, the four positioning frames are arranged in pairs facing each other, and two clamping blocks are positioned between the two opposing positioning frames. This allows the clamping blocks and positioning frames to cooperate in clamping the baffle, thereby improving the stability of the baffle. Moreover, when the baffle is long, two positioning frames and two clamping blocks can be used to clamp the baffle, thereby achieving two-point positioning of the baffle and further improving the stability of the baffle. When the baffle is short, one positioning frame and one clamping block can be used to clamp the baffle, thereby increasing the number of baffles that can be clamped at one time and thus improving the efficiency of baffle processing.

[0016] 2. By connecting the connecting block to the side wall of the clamping block and passing the other end of the guide rod through the connecting block, the clamping block and the connecting block can move synchronously, thereby enabling the connecting block to move along the guide rod to avoid the clamping block from shifting during movement, thus improving the stability of the clamping block's movement and enhancing the clamping effect of the clamping block on the baffle.

[0017] 3. By fitting a spring onto the outside of the guide rod, connecting one end of the spring to the guide seat, and the other end of the spring to the connecting block, the guide seat supports the connecting block through the spring. This ensures that when the clamping block and the connecting block move towards the positioning frame, the spring is in a stretched state. Consequently, when the clamping block disengages from the clamping block, the spring resets and drives the guide seat and the connecting block to move away from the positioning frame, ensuring that the clamping block and the clamping block remain in contact at all times, thereby improving the user experience of the product.

[0018] 4. By mounting the linear bearing on the outside of the connecting rod, the linear bearing guides the connecting rod, preventing it from shifting during vertical movement, thereby improving the stability of the vertical movement of the connecting rod and the clamping block.

[0019] 5. By installing multiple locating pins on the top of the support frame and positioning them between the locating frame and the clamping block, two locating pins work together to initially position a baffle, thereby improving the accuracy of drilling holes in the baffle. Because the locating pins have a trapezoidal cross-section, it is easy to place the baffle between two locating pins, thus improving the user experience.

[0020] 6. By setting the elongated chip removal groove on the top of the support frame and positioning it between the positioning frame and the clamping block, the chip removal groove is located below the baffle when the baffle is placed between the positioning frame and the clamping block. This allows the iron chips generated during drilling of the baffle to be discharged through the chip removal groove, thereby improving the user experience of the product.

[0021] 7. By placing four U-shaped mounting slots on both sides of the support frame, the difficulty of installing the support frame on the drilling equipment workbench is reduced, thereby improving the user experience of the product. Attached Figure Description

[0022] Figure 1 This is a top view of a baffle drilling positioning fixture according to the present invention;

[0023] Figure 2 for Figure 1 Enlarged view of a portion at point A;

[0024] Figure 3 for Figure 1 Sectional view at BB;

[0025] Figure 4 for Figure 3 Sectional view at point C;

[0026] Figure 5 This is a perspective view of the support frame of this utility model;

[0027] in, Figures 1 to 5 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0028] 10 Support frame, 11 Positioning frame, 12 Clamping block, 13 Pressing block, 14 Cylinder, 15 Lifting plate, 16 Connecting rod, 17 Clearing hole, 18 Guide seat, 19 Connecting block, 20 Guide rod, 21 Spring, 22 Bearing seat, 23 Linear bearing, 24 Positioning pin, 25 Chip removal groove, 26 Mounting groove, 27 Baffle. Detailed Implementation

[0029] The following are specific implementation cases and appendices. Figures 1 to 5 The present invention will be further described below, but the present invention is not limited to these embodiments.

[0030] A baffle drilling positioning fixture, such as Figures 1 to 5As shown, the baffle drilling positioning fixture includes: a support frame 10, a positioning frame 11, a clamping block 12, a pressing block 13, a cylinder 14, a lifting plate 15, a connecting rod 16, and a clearance hole 17; the positioning frame 11 is L-shaped, with four positioning frames 11 installed on both sides of the top of the support frame 10, and the four positioning frames 11 are arranged opposite each other in pairs; one side of the clamping block 12 is inclined, and the four clamping blocks 12 are arranged opposite each other in pairs, with the two opposite clamping blocks 12 located between the two opposite positioning frames 11; both sides of the pressing block 13 are inclined, and the two pressing blocks 13 are respectively located between the two opposite clamping blocks 12, and the pressing blocks 14 are arranged opposite each other in pairs. The inclined surfaces on both sides of 13 are respectively in contact with the inclined surfaces of the two clamping blocks 12; the cylinder 14 is installed on the top of the support frame 10 and is located between the two clamping blocks 13; the lifting plate 15 is located inside the support frame 10 and is connected to the cylinder 14; one end of the two connecting rods 16 is simultaneously connected to the lifting plate 15, the other end of the two connecting rods 16 passes through the top of the support frame 10, and the other end of the two connecting rods 16 is respectively connected to the two clamping blocks 13; two clearance holes 17 are provided on the top of the support frame 10 and are respectively arranged around the outside of the two connecting rods 16.

[0031] By installing four L-shaped positioning frames 11 on both sides of the top of the support frame 10 and arranging them in pairs opposite each other, the support frame 10 supports the four positioning frames 11, thereby improving the stability of the positioning frames 11. By placing two opposing clamping blocks 12 between the two opposing positioning frames 11 and having the inclined surfaces on both sides of the clamping blocks 12 respectively abut against the inclined surfaces of the two clamping blocks 12, when the pressing block 13 moves downward, the pressing block 13 presses the two clamping blocks 12 to move towards the positioning frame 11 respectively, thereby enabling the clamping blocks 12 and the positioning frames 11 to cooperate in clamping the baffle 27, thereby positioning the baffle 27 to facilitate subsequent drilling of the baffle 27. By installing cylinder 14 on top of support frame 10, lifting plate 15 is located inside support frame 10, and lifting plate 15 is connected to cylinder 14, so that support frame 10 supports cylinder 14, thereby enabling cylinder 14 to drive lifting plate 15 to move up and down inside support frame 10, thus adjusting the height of lifting plate 15; by connecting one end of two connecting rods 16 to lifting plate 15 at the same time, and letting the other end of the two connecting rods 16 pass through the top of support frame 10, and connecting the other end of the two connecting rods 16 to two clamping blocks 13 respectively, so that when lifting plate 15 moves up and down, lifting plate 15 drives two clamping blocks 13 to move up and down through the two connecting rods 16, thereby enabling clamping blocks 13 to press clamping plate to move towards positioning frame 11. By setting two clearance holes 17 on the top of the support frame 10 and making the two clearance holes 17 surround the outside of the two connecting rods 16 respectively, the connecting rods 16 can move up and down within the clearance holes 17, thereby avoiding interference between the connecting rods 16 and the support frame 10 and improving the quality of the product.

[0032] When using the product, first install it on the workbench of the drilling equipment; then, place the two baffles 27 to be drilled on the support frame 10, and position the baffles 27 between the positioning frame 11 and the clamping block 12; next, start the cylinder 14, causing the cylinder 14 to drive the lifting plate 15 downward; when the lifting plate 15 moves downward, the lifting plate 15 will drive the two clamping blocks 13 downward through the two connecting rods 16, thereby causing the clamping blocks 13 to press the two clamping blocks 12 towards the positioning frame 11, and thus causing the clamping blocks 13 to clamp the positioning frame 11. The baffle 27 is clamped and positioned to improve its stability. Then, the drilling equipment is started to drill holes in the baffle 27. After the drilling of the baffle 27 is completed, the cylinder 14 is started to move the lifting plate 15 upward, so that the lifting plate 15 drives the two clamping blocks 13 downward through the two connecting rods 16. At this time, the clamping block 13 separates from the clamping block 12, so the clamping block 12 can no longer cooperate with the positioning frame 11 to clamp the baffle 27, so that the workers can take out the baffle 27.

[0033] With the above structure, by installing four positioning frames 11 on both sides of the top of the support frame 10, the four positioning frames 11 are arranged in pairs facing each other, and two clamping blocks 12 are located between the two opposing positioning frames 11, so that the clamping blocks 12 and the positioning frames 11 can cooperate to clamp the baffle 27, thereby improving the stability of the baffle 27. Moreover, when the baffle 27 is long, it can be clamped by two positioning frames 11 and two clamping blocks 12, thereby achieving two-point positioning of the baffle 27 and further improving the stability of the baffle 27. When the baffle 27 is short, it can be clamped by one positioning frame 11 and one clamping block 12, thereby increasing the number of baffles 27 that can be clamped at one time, thereby improving the processing efficiency of the baffle 27.

[0034] In embodiments of this utility model, such as Figures 1 to 5 As shown, the baffle drilling positioning fixture also includes: a guide seat 18, a connecting block 19, and a guide rod 20; the guide seat 18 is installed on the top of the support frame 10 and is located on one side of the clamping block 13; the connecting block 19 is connected to the side wall of the clamping block 12 and is opposite to the guide seat 18; one end of the guide rod 20 is connected to the guide seat 18 and the other end of the guide rod 20 passes through the connecting block 19.

[0035] By mounting the guide seat 18 on the top of the support frame 10 and connecting one end of the guide rod 20 to the guide seat 18, the support frame 10 supports the guide seat 18, thereby enabling the guide seat 18 to support the guide rod 20. By connecting the connecting block 19 to the side wall of the clamping block 12 and allowing the other end of the guide rod 20 to pass through the connecting block 19, the clamping block 12 and the connecting block 19 move synchronously, thereby enabling the connecting block 19 to move along the guide rod 20, preventing the clamping block 12 from shifting during movement, thus improving the stability of the movement of the clamping block 12 and enhancing the clamping effect of the clamping block 12 on the baffle 27.

[0036] In embodiments of this utility model, such as Figures 1 to 5 As shown, the baffle drilling positioning fixture also includes: a spring 21; the spring 21 is fitted on the outside of the guide rod 20, one end of the spring 21 is connected to the guide seat 18, and the other end of the spring 21 is connected to the connecting block 19.

[0037] By fitting spring 21 onto the outside of guide rod 20, connecting one end of spring 21 to guide seat 18, and connecting the other end of spring 21 to connecting block 19, guide seat 18 supports connecting block 19 via spring 21. This ensures that when clamping block 12 and connecting block 19 move toward positioning frame 11, spring 21 is in a stretched state. Consequently, when pressing block 13 disengages from clamping block 12, spring 21 resets and drives guide seat 18 and connecting block 19 to move away from positioning frame 11, ensuring that clamping block 12 and pressing block 13 remain in contact at all times, thereby improving the user experience of the product.

[0038] In embodiments of this utility model, such as Figures 1 to 5 As shown, the baffle drilling positioning fixture also includes: a bearing seat 22 and a linear bearing 23; the bearing seat 22 is installed at the bottom of the top wall of the support frame 10 and is wrapped around the outside of the connecting rod 16; the linear bearing 23 is installed inside the bearing seat 22 and is fitted onto the outside of the connecting rod 16.

[0039] By installing the bearing housing 22 at the bottom of the top wall of the support frame 10 and installing the linear bearing 23 inside the bearing housing 22, the bearing housing 22 can support and accommodate the linear bearing 23. By fitting the linear bearing 23 on the outside of the connecting rod 16, the linear bearing 23 can guide the connecting rod 16 to prevent the connecting rod 16 from shifting when moving up and down, thereby improving the stability of the connecting rod 16 and the clamping block 13 moving up and down.

[0040] In embodiments of this utility model, such as Figures 1 to 5 As shown, the baffle drilling positioning fixture also includes: positioning pin 24; the positioning pin 24 has a trapezoidal cross section, and multiple positioning pins 24 are installed on the top of the support frame 10, and the positioning pins 24 are located between the positioning frame 11 and the clamping block 12.

[0041] By installing multiple locating pins 24 on the top of the support frame 10 and positioning the locating pins 24 between the positioning frame 11 and the clamping block 12, two locating pins 24 cooperate to initially position a baffle 27, thereby improving the drilling accuracy of the baffle 27. Since the locating pins 24 have a trapezoidal cross-section, it is easy to place the baffle 27 between two locating pins 24, thus improving the user experience of the product.

[0042] Specifically, when the length of the baffle 27 is relatively long, the baffle 27 is initially positioned by two positioning pins 24; then, the baffle 27 is clamped by two positioning frames 11 and two clamping blocks 12. When the length of the baffle 27 is relatively short, the baffle 27 is initially positioned by two positioning pins 24; then, the baffle 27 is clamped by one positioning frame 11 and one clamping block 12.

[0043] In embodiments of this utility model, such as Figures 1 to 5 As shown, the baffle drilling positioning fixture also includes a chip removal groove 25; the chip removal groove 25 is elongated and is located on the top of the support frame 10, and is located between the positioning frame 11 and the clamping block 12.

[0044] By setting the elongated chip removal groove 25 on the top of the support frame 10 and positioning the chip removal groove 25 between the positioning frame 11 and the clamping block 12, the chip removal groove 25 is positioned below the baffle 27 when the baffle 27 is placed between the positioning frame 11 and the clamping block 12. This allows the iron chips generated during drilling of the baffle 27 to be discharged through the chip removal groove 25, thereby improving the user experience of the product.

[0045] In embodiments of this utility model, such as Figures 1 to 5 As shown, the baffle drilling positioning fixture also includes: mounting slots 26; the mounting slots 26 are U-shaped, and four mounting slots 26 are arranged on both sides of the support frame 10.

[0046] By placing four U-shaped mounting slots 26 on both sides of the support frame 10, the difficulty of installing the support frame 10 on the drilling equipment workbench is reduced, thereby improving the user experience of the product.

[0047] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0048] In the description of this utility model, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this utility model, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A baffle drilling positioning fixture, characterized in that, The baffle drilling positioning fixture includes: Support frame; The positioning frame is L-shaped, and four positioning frames are installed on both sides of the top of the support frame, with the four positioning frames arranged in pairs facing each other. The clamping blocks have one side of an inclined surface. The four clamping blocks are arranged in pairs facing each other, and the two opposing clamping blocks are located between the two opposing positioning frames. The clamping block has inclined surfaces on both sides, and two clamping blocks are respectively located between two opposing clamping blocks, with the inclined surfaces on both sides of the clamping block respectively fitting into the inclined surfaces of the two clamping blocks; A cylinder is mounted on top of the support frame and is located between the two clamping blocks; A lifting plate, which is located inside the support frame and is connected to the cylinder; Connecting rods, one end of each of the two connecting rods is connected to the lifting plate, the other end of each of the two connecting rods passes through the top of the support frame, and the other end of each of the two connecting rods is connected to the two clamping blocks respectively; Two clearance holes are provided on the top of the support frame, and the two clearance holes are respectively arranged around the outside of the two connecting rods.

2. The baffle drilling positioning fixture according to claim 1, characterized in that, The baffle drilling positioning fixture also includes: A guide seat is mounted on the top of the support frame and is located on one side of the clamping block; A connecting block, which is connected to the side wall of the clamping block and is opposite to the guide seat; A guide rod, one end of which is connected to the guide seat, and the other end of which passes through the connecting block.

3. The baffle drilling positioning fixture according to claim 2, characterized in that, The baffle drilling positioning fixture also includes: A spring is fitted onto the outside of the guide rod, with one end of the spring connected to the guide seat and the other end of the spring connected to the connecting block.

4. The baffle drilling positioning fixture according to claim 1, characterized in that, The baffle drilling positioning fixture also includes: A bearing housing is mounted on the bottom of the top wall of the support frame and is arranged around the outside of the connecting rod; A linear bearing is installed in the bearing housing and is fitted onto the outside of the connecting rod.

5. A baffle drilling positioning fixture according to claim 4, characterized in that, The baffle drilling positioning fixture also includes: The positioning pins have a trapezoidal cross-section, and a plurality of the positioning pins are installed on the top of the support frame, with the positioning pins located between the positioning frame and the clamping block.

6. A baffle drilling positioning fixture according to claim 5, characterized in that, The baffle drilling positioning fixture also includes: The chip removal groove is elongated and is located on the top of the support frame, between the positioning frame and the clamping block.

7. A baffle drilling positioning fixture according to claim 6, characterized in that, The baffle drilling positioning fixture also includes: The mounting slots are U-shaped, and four mounting slots are arranged on both sides of the support frame.