Angle-adjustable transmission chain multi-angle drilling tool
By using a unique clamping and positioning mechanism and turntable system, the problem of unstable positioning in multi-angle drilling fixtures for transmission chains is solved, achieving stable positioning of chain segments and multi-angle drilling, thereby improving drilling accuracy and production efficiency.
Patent Information
- Application Number
- CN202520446775.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing adjustable-angle transmission chain multi-angle drilling fixtures are not stable enough during positioning, causing chain links to easily shift during drilling, affecting drilling position accuracy and quality.
Employing a unique clamping and positioning mechanism, including two sets of clamping plates and cross-shaped inserts, combined with a turntable and angle measuring disc, and through the coordinated control of cylinders and motors, stable positioning of chain links and multi-angle drilling are achieved.
This ensures that the chain links do not shift during drilling, improving hole positioning accuracy, and enhances production efficiency and drilling quality consistency through automated control.
Smart Images

Figure CN223811580U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chain processing frock technical field, concretely is a kind of adjustable angle's transmission chain multi-angle drilling frock. BACKGROUND
[0002] In the mechanical manufacturing and maintenance industry, transmission chain as important power transmission component, application is extremely wide, and different mechanical equipment is different to the specification and performance requirement of transmission chain, often need to be drilled on chain block, to meet the installation, connection or other functional needs.
[0003] At present, the existing adjustable angle's transmission chain multi-angle drilling frock uses, there is positioning defect, when chain link drilling frock is positioned to chain block, positioning mode is not stable and reliable enough, some frock uses simple pressing mode, in the drilling process, chain block is easily displaced due to the impact force of drill bit, lead to drilling position deviation, influence chain quality and service performance, for this purpose, the utility model provides a kind of adjustable angle's transmission chain multi-angle drilling frock to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of adjustable angle's transmission chain multi-angle drilling frock to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable angle's transmission chain multi-angle drilling frock, including frock table, the frock table is equipped with carousel, clamping positioning mechanism, drilling mechanism;
[0006] The clamping positioning mechanism includes frock frame installed on the carousel, the frock frame is U-shaped structure, two groups of mutually opposed clamping plates are arranged between the extension plate of the upper and lower ends of the frock frame, the opposite surfaces of the two groups of clamping plates for clamping are respectively provided with first insertion column and second insertion column, wherein, the abutting end side of the second insertion column is provided with cross structure;With it is adapted, the abutting end side of the first insertion column is provided with cross cavity, and the right clamping plate is connected with the output end of first air cylinder;
[0007] The drilling mechanism includes mounting bracket provided on one side of frock table, the mounting bracket is equipped with vertical plate, the drilling motor is installed on the vertical plate, and the vertical plate is connected with the output end of second air cylinder through the connecting plate on one side, and the second air cylinder is assembled on the side wall of mounting bracket.
[0008] Preferably, the extension plate of the frock frame is provided with guide groove, the right clamping plate can move back and forth within the range of the guide groove of extension plate by the cooperation of the protrusions and guide columns provided on the upper and lower ends.
[0009] Preferably, the end of the guide pillar is provided with a threaded structure, and the guide pillar is installed in the guide groove of the extension plate in a screwing mode.
[0010] Preferably, a vertical guide groove is formed in the vertical plate, and a screw rod is arranged in the vertical guide groove, the screw rod is connected with a control motor at the top of the vertical plate, and the screw rod is further connected with a bearing seat, and the drilling motor is assembled on the bearing seat.
[0011] Preferably, an angle measuring disc and an angle indicating needle are further arranged on the tooling table, the angle measuring disc is detachably arranged on the outer circumferential side of the rotating disc through a positioning plate, and the angle indicating needle is arranged on the rotating disc.
[0012] Preferably, a controller is integrated on the tooling table, and the controller is electrically connected with the rotating disc, the first air cylinder, the control motor and the second air cylinder through PLC programming technology.
[0013] Compared with the prior art, the tooling table has the following beneficial effects:
[0014] By arranging the unique clamping and positioning mechanism, the two groups of clamping plates and the inserting column with the cross structure and the cross cavity, the chain link can be stably positioned, and the stable positioning can ensure that the chain link block will not be displaced due to the impact force of the drill bit during the drilling process, so that the drilling hole precision is greatly improved, and meanwhile, the tooling table is provided with the rotating disc, the chain position can be accurately adjusted by cooperating with the angle measuring disc and the angle indicating needle, multi-angle drilling is realized, and the needs of the chain link block in the complex mechanical system for drilling at different angles are met. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model.
[0016] Figure 2 It is a drilling mechanism structure schematic view of the utility model.
[0017] Figure 3 It is a clamping and positioning mechanism structure schematic view of the utility model.
[0018] Figure 4 It is an angle measuring disc installation structure schematic view of the utility model.
[0019] In the figure: 1, tooling table; 11, controller; 2, turntable; 3, tooling frame; 31, clamping plate; 32, first insertion column; 33, second insertion column; 331, cross; 34, guide column; 35, threaded structure; 36, first air cylinder; 4, drilling mechanism; 41, mounting frame; 42, vertical plate; 43, drilling motor; 44, bearing seat; 45, screw rod; 46, control motor; 47, second air cylinder; 48, connecting plate; 5, angle measuring disc; 51, angle indicating needle; 52, positioning plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1 to 4 The utility model provides a kind of technical solutions: a kind of adjustable angle transmission chain multi-angle drilling tooling, including tooling table 1, tooling table 1 is equipped with turntable 2, clamping positioning mechanism, drilling mechanism 4;
[0022] Clamping positioning mechanism includes installation on the tooling frame 3 of turntable 2, tooling frame 3 is U-shaped structure, two groups of mutually opposed clamping plates 31 are arranged between the extension plate of upper and lower ends of tooling frame 3, the opposite surface for clamping of two groups of clamping plates 31 is provided with first insertion column 32 and second insertion column 33, wherein, the abutting end side of second insertion column 33 is provided with cross 331 structure;With it is adapted, the abutting end side of first insertion column 32 is provided with cross cavity, and the right clamping plate 31 is connected with the output end of first air cylinder 36;
[0023] Drilling mechanism 4 includes the mounting frame 41 of being provided to one side of tooling table 1, mounting frame 41 is equipped with vertical plate 42, vertical plate 42 is installed with drilling motor 43, and vertical plate 42 is connected with the output end of second air cylinder 47 through the connecting plate 48 of one side, and second air cylinder 47 is assembled on the side wall of mounting frame 41.
[0024] In use, the first cylinder 36 is started to make its output end extend, and the right clamping plate 31 moves along the guide groove on the extension plate of the tool holder 3 to the left clamping plate 31 under the push of the first cylinder 36. With the movement of the clamping plate 31, the first inserting column 32 and the second inserting column 33 gradually insert into the corresponding hole positions of the chain block. When the cross structure 331 of the second inserting column 33 is fully matched with the cross cavity of the first inserting column 32, the chain block is firmly positioned between the two groups of clamping plates 31, effectively preventing displacement of the chain block during drilling. Then, according to the required drilling angle of the chain block, the tool holder 3 is rotated as a whole by the rotating disc 2, and after rotating to the appropriate angle, the vertical plate 42 and the drilling motor 43 are moved by the second cylinder 47 in the drilling mechanism 4, so as to realize the punching work.
[0025] Please refer to Figures 1 to 4 The end of the guide column 34 is provided with a threaded structure 35, and the guide column 34 is installed in the guide groove of the extension plate in a spiral manner. Through the cooperation of the guide column 34, the movement of the clamping plate 31 in the specified path can be ensured. At the same time, through the spiral installation of the guide column 34, the subsequent disassembly work of the clamping plate 31 is also facilitated.
[0026] Please refer to Figures 1 to 4 A vertical guide groove is formed in the vertical plate 42, and a screw rod 45 is arranged in the vertical guide groove. The screw rod 45 is connected with a control motor 46 at the top of the vertical plate 42, and the screw rod 45 is also connected with a bearing seat 44. The drilling motor 43 is assembled on the bearing seat 44. In use, the control motor 46 can drive the screw rod 45 to rotate. Since the screw rod 45 is connected with the bearing seat 44, the bearing seat 44 will move up and down in the vertical guide groove with the rotation of the screw rod 45, thereby driving the drilling motor 43 assembled on the bearing seat 44 to move vertically. When drilling the transmission chain, the descending or ascending distance of the drilling motor 43 can be accurately controlled, so as to accurately control the depth of drilling, ensure that the depth of each drilling can meet the design requirements, and improve the consistency of drilling quality.
[0027] Please refer to Figures 1 to 4 The tool table 1 is further provided with an angle measuring disc 5 and an angle indicating needle 51. The angle measuring disc 5 is detachably installed around the outer periphery of the rotating disc 2 through a positioning plate 52, and the angle indicating needle 51 is installed on the rotating disc 2. The angle measuring disc 5 is provided with a scale mark, and the angle indicating needle 51 moves with the rotating disc 2. When the rotating disc 2 drives the chain block to rotate to different angles, the angle indicating needle 51 points to the corresponding scale on the angle measuring disc 5. The operator can intuitively read the current rotation angle of the chain block, so as to accurately adjust the chain block to the required drilling angle, and ensure the accuracy of the drilling position.
[0028] Please refer to Figures 1 to 4The controller 11 is integrally arranged on the tooling table 1, and is electrically connected with the rotating disc 2, the first cylinder 36, the control motor 46 and the second cylinder 47 through PLC programming technology, and when in use, the controller 11 can uniformly dispatch and control the rotating disc 2, the first cylinder 36, the control motor 46 and the second cylinder 47 according to the preset PLC program, so that the automatic process of the drilling operation is realized, the manual intervention is reduced, and the production efficiency is improved.
[0029] When in use, the first cylinder 36 is started, the output end of the first cylinder 36 is extended, the right clamping plate 31 is pushed to move along the guide groove on the extension plate of the tooling frame 3 to the left clamping plate 31, with the movement of the clamping plate 31, the first inserting column 32 and the second inserting column 33 are gradually inserted into the corresponding hole positions of the chain link block, when the cross structure 331 of the second inserting column 33 is completely matched with the cross cavity of the first inserting column 32, the action of the first cylinder 36 is stopped, at this time, the chain link block is firmly positioned between the two groups of clamping plates 31, and then according to the required drilling angle of the chain link block, the controller 11 sends an instruction to make the rotating disc 2 rotate, during the rotation of the rotating disc 2, the angle indicating needle 51 installed thereon rotates, when the angle indicating needle 51 points to the corresponding scale on the angle measuring disc 5 and reaches the required drilling angle, the controller 11 controls the rotating disc 2 to stop rotating, and then the drilling mechanism 4 is used to drill.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A multi-angle drilling fixture for an adjustable-angle transmission chain, comprising a fixture table (1), wherein the fixture table (1) is provided with a turntable (2), a clamping and positioning mechanism, and a drilling mechanism (4), characterized in that: The clamping and positioning mechanism includes a tooling frame (3) mounted on the turntable (2). The tooling frame (3) has a U-shaped structure. Two sets of opposing clamping plates (31) are provided between the extension plates at the upper and lower ends of the tooling frame (3). The opposing surfaces of the two sets of clamping plates (31) are respectively provided with a first insert (32) and a second insert (33). The abutting end of the second insert (33) is provided with a cross (331) structure. Correspondingly, the abutting end of the first insert (32) is provided with a cross cavity. The clamping plate (31) on the right side is connected to the output end of the first cylinder (36). The drilling mechanism (4) includes a mounting frame (41) disposed on one side of the tooling table (1). A vertical plate (42) is provided on the mounting frame (41). A drilling motor (43) is mounted on the vertical plate (42). The vertical plate (42) is connected to the output end of a second cylinder (47) through a connecting plate (48) on one side. The second cylinder (47) is mounted on the side wall of the mounting frame (41).
2. The adjustable-angle transmission chain multi-angle drilling fixture according to claim 1, characterized in that: The tooling frame (3) has a guide groove on its extension plate. The clamping plate (31) on the right side can move back and forth within the range of the guide groove of the extension plate by means of the protrusions at the upper and lower ends and the cooperation of the guide post (34).
3. The adjustable-angle transmission chain multi-angle drilling fixture according to claim 2, characterized in that: The end of the guide post (34) is provided with a threaded structure (35), and the guide post (34) is installed in the guide groove of the extension plate in a spiral manner.
4. The adjustable-angle transmission chain multi-angle drilling fixture according to claim 1, characterized in that: The vertical plate (42) has a vertical guide groove, and a screw (45) is provided in the vertical guide groove. The screw (45) is connected to the control motor (46) at the top of the vertical plate (42), and the screw (45) is also connected to the support seat (44). The drilling motor (43) is mounted on the support seat (44).
5. The adjustable-angle transmission chain multi-angle drilling fixture according to claim 1, characterized in that: The tooling table (1) is further provided with an angle measuring disk (5) and an angle indicator (51). The angle measuring disk (5) is detachably mounted around the outer periphery of the turntable (2) via a positioning plate (52), and the angle indicator (51) is mounted on the turntable (2).
6. The adjustable-angle transmission chain multi-angle drilling fixture according to claim 1, characterized in that: The tooling table (1) is equipped with a controller (11), which can be electrically connected to the turntable (2), the first cylinder (36), the control motor (46), and the second cylinder (47) through PLC programming technology.