Jig for CNC part machining
By designing a CNC machining fixture that includes a fixed frame, guide rod, electric push rod, sliding frame, and elastic element, the problem of poor adaptability of traditional fixtures to non-standard parts is solved. This achieves stable fixing of parts of various shapes and sizes, improving production efficiency and reducing costs.
Patent Information
- Application Number
- CN202520582377.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Traditional CNC machining fixtures are effective for fixing specific types of parts, but cannot be used directly for other types or non-standard parts, which limits their versatility and flexibility, leading to increased production costs and low efficiency.
A CNC machining fixture is designed, comprising a fixed frame, a guide rod, an electric push rod, a sliding frame, an elastic element, and a sliding rod. The sliding frame and sliding rod are moved by the electric push rod, and the elastic element is used to compress and adapt to non-standard parts of different shapes and sizes. Combined with an electromagnet and a vacuum generator, parts of various materials can be adsorbed and fixed.
It enables the secure fixing of non-standard parts of various shapes and sizes, improves the versatility and flexibility of the equipment, and reduces production costs and time consumption.
Smart Images

Figure CN223917325U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical manufacturing and precision machining field especially, a kind of jig for CNC machining parts. BACKGROUND
[0002] The jig for CNC machining parts is a device specially designed to fix, support or position workpieces on computer numerical control (CNC) machine tools. Its main purpose is to ensure that workpieces remain stable during machining, thereby ensuring machining accuracy and quality.
[0003] During CNC (Computer Numerical Control) machining, jigs are critical tools for fixing workpieces to ensure machining accuracy and improve production efficiency. However, traditional jigs are usually only effective for fixing a specific type of part, and cannot be directly used for other types or non-standard parts, which greatly limits their versatility and flexibility. When different models or non-standard parts need to be machined, the current jig often needs to be adjusted completely or even the entire jig system needs to be replaced, which not only wastes time but also increases production costs.
[0004] To solve the above problems, a CNC machining part jig for fixing non-standard parts is needed. SUMMARY
[0005] To overcome the limitation of versatility and flexibility for other types or non-standard parts, the utility model provides a CNC machining part jig.
[0006] The technical scheme of the utility model is: a jig for CNC machining parts, comprising a placement plate, a housing, a motor, a turntable, a first fixed rod, a mounting plate, a fixed plate, a connecting plate, a second fixed rod, a connecting rod, a fixed frame, a guide rod, an electric push rod, a sliding frame, an elastic member and a sliding rod. The lower side of the placement plate is connected to the housing, the housing has a motor installed inside, the output shaft of the motor is connected to the turntable, the lower side of the turntable is connected to two first fixed rods, the left and right symmetrical sides of the placement plate outside are connected to the mounting plate, the two mounting plates are both slidingly connected to the fixed plate, the opposite sides of the two fixed plates are both connected to the connecting plate, the lower sides of the two connecting plates are both connected to the second fixed rod, the two first fixed rods are both connected to the connecting rod, the other side of the two connecting rods is fixedly connected to the corresponding second fixed rod, the front and back symmetrical sides of the two fixed plates are both connected to the fixed frame, the two fixed plates are both connected to the guide rod, the outer sides of the two fixed plates are both installed with the electric push rod, the upper ends of the two electric push rods are both connected to the sliding frame, the two sliding frames are slidingly connected to the two guide rods, the front and back symmetrical sides of the two sliding frames are both slidingly connected to the sliding rod, and the elastic member is connected between each sliding rod and the corresponding sliding frame.
[0007] Further illustrate, still include have top cover, bottom shell, electromagnet, adsorption plate, connecting pipe and vacuum generator, place the plate inside installation has adsorption plate, adsorption plate upper side is connected with bottom shell, bottom shell inside is connected with electromagnet, bottom shell upper side has top cover, adsorption plate's symmetry is connected with connecting pipe before and after, place the plate inside staggered and is provided with vacuum generator, two vacuum generators and two connecting pipes fixed connection.
[0008] Further illustrate, still include have anti -skid block, each sliding rod lower end is connected with anti -skid block.
[0009] Further illustrate, still include have rubber pad, top cover upper side is connected with rubber pad.
[0010] Further illustrate, place the plate is set up with multiple mounting hole.
[0011] Further illustrate, still include have rubber strip, two fixed plate's one side is connected with rubber strip.
[0012] The beneficial effects of the utility model are as follows: through the setting of the fixing frame, the guide rod, the electric push rod, the sliding frame, the elastic member and the sliding rod, the two electric push rods drive the two sliding frames to move along the corresponding guide rods, the two sliding frames drive the two sliding rods thereon to move along the corresponding fixing frames, when the two sliding rods move to contact and reinforce the non-standard parts, subsequently, the two sliding frames continue to drive the other two sliding rods to move, at the same time, the two sliding frames move along the two sliding rods that have reinforced the non-standard parts, the elastic members thereon are gradually compressed, until the other two sliding rods move to contact the rubber pads, not only can the non-standard parts of various shapes and sizes be adapted, but also the versatility and flexibility of the equipment are significantly improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the section view of the shell of the utility model.
[0015] Figure 3 It is the section view of the fixing frame and the sliding frame of the utility model.
[0016] Figure 4 It is the section view of the placing plate of the utility model.
[0017] Figure 5 It is the explosion view of the top cover, the bottom shell and the electromagnet of the utility model.
[0018] Figure 6 It is the section view of the adsorption plate and the connecting pipe of the utility model.
[0019] Markings in the drawings: 1: placing plate, 2: shell, 3: motor, 4: rotating disc, 401: first fixed rod, 5: mounting plate, 6: fixed plate, 7: connecting plate, 701: second fixed rod, 8: connecting rod, 9: rubber strip, 10: fixed frame, 11: guide rod, 12: electric push rod, 13: sliding frame, 14: elastic piece, 15: sliding rod, 1501: anti-skid block, 16: rubber pad, 17: top cover, 18: bottom shell, 19: electromagnet, 20: adsorption plate, 21: connecting pipe, 22: vacuum generator. DETAILED DESCRIPTION
[0020] The utility model will be further described below in combination with specific embodiments, the illustrative embodiments of the utility model and the explanation used to explain the utility model, but not as the limitation of the utility model.
[0021] Embodiment: a kind of jig for CNC machining parts, such as Figures 1-6As shown, including the placement plate 1, shell 2, motor 3, turntable 4, the first fixed rod 401, mounting plate 5, fixed plate 6, connecting plate 7, the second fixed rod 701, connecting rod 8, rubber strip 9, fixed frame 10, guide rod 11, electric push rod 12, sliding frame 13, elastic element 14, sliding rod 15, anti-skid block 1501, rubber pad 16, top cover 17, bottom shell 18, electromagnet 19, adsorption plate 20, connecting pipe 21 and vacuum generator 22, a plurality of mounting holes are set on the placement plate 1, the lower side of the placement plate 1 is connected with the shell 2, the motor 3 is installed inside the shell 2, the output shaft of the motor 3 is connected with the turntable 4, the lower side of the turntable 4 is connected with two first fixed rods 401, the left and right symmetrical mounting plates 5 are connected outside the placement plate 1, the fixed plate 6 is slidably connected on the two mounting plates 5, the fixed plate 6 is used for preliminarily fixing the parts to be processed, the rubber strip 9 is connected on the side of the two fixed plates 6 opposite to each other, the connecting plate 7 is connected on the side of the two fixed plates 6 opposite to each other, the second fixed rod 701 is connected on the lower side of the two connecting plates 7, the connecting rod 8 is connected on the two first fixed rods 401, the other side of the two connecting rods 8 is fixedly connected with the corresponding second fixed rod 701, the fixed frame 10 is connected on the two fixed plates 6 in front and back symmetry, the guide rod 11 is connected on the two fixed plates 6, the guide rod 11 is used for guiding the movement of the sliding frame 13, the electric push rod 12 is installed on the outer side surface of the two fixed plates 6, the upper end of the two electric push rods 12 is connected with the sliding frame 13, the two sliding frames 13 are slidably connected with the two guide rods 11, the sliding rod 15 is slidably connected on the two sliding frames 13 in front and back symmetry, the sliding rod 15 reinforces the non-standard parts, the anti-skid block 1501 is connected on the lower end of each sliding rod 15, the anti-skid block 1501 provides greater friction when contacting with the non-standard parts, preventing the non-standard parts from sliding, the elastic element 14 is connected between each sliding rod 15 and the corresponding sliding frame 13, the rubber pad 16 is connected on the upper side of the top cover 17, the adsorption plate 20 is installed inside the placement plate 1, the bottom shell 18 is connected on the upper side of the adsorption plate 20, the electromagnet 19 is connected inside the bottom shell 18, the electromagnet 19 can generate magnetic attraction force, used for firmly adsorbing and fixing metal parts, the top cover 17 is placed on the upper side of the bottom shell 18, the connecting pipe 21 is connected on the front and back symmetry of the adsorption plate 20, the vacuum generator 22 is staggered arranged inside the placement plate 1, the two vacuum generators 22 are fixedly connected with the two connecting pipes 21, the vacuum generator 22 extracts the air inside the adsorption plate 20, forms negative pressure, and adsorbs non-metal parts.
[0022] When the device needs to be used, the staff first places the parts to be processed on the rubber pad 16, and selects the appropriate fixing method according to the material of the parts, when the metal parts need to be fixed, the staff starts the electromagnet 19, and uses the magnetic attraction generated thereby to firmly adsorb the metal parts on the rubber pad 16, when the non-metal parts need to be fixed, the staff starts the two vacuum generators 22, the two vacuum generators 22 start to extract the air inside the adsorption plate 20, the air is extracted into the corresponding vacuum generator 22 through the two connecting pipes 21, forming a negative pressure, thereby stably adsorbing the non-metal parts on the rubber pad 16, next, the motor 3 is started, the output shaft of the motor 3 drives the two first fixing rods 401 to rotate, the two first fixing rods 401 respectively pull the connecting rods 8 connected therewith to move inward, thereby driving the two second fixing rods 701, the two connecting plates 7 and the two fixing plates 6 to move inward along the corresponding mounting plates 5, until the two fixing plates 6 move to contact and fix the parts to be processed, then the motor 3 is turned off, when the non-standard parts need to be processed, the above operation is repeated to ensure that the non-standard parts are preliminarily fixed, then the two electric push rods 12 are started, the two electric push rods 12 respectively drive the two sliding frames 13 to move downward along the corresponding guide rods 11, the two sliding frames 13 respectively drive the two sliding rods 15 thereon to move downward along the corresponding fixing frames 10, when the two sliding rods 15 move to contact the non-standard parts, the non-standard parts are reinforced, then the two sliding frames 13 continue to drive the other two sliding rods 15 to move downward, with the continuous downward movement of the two sliding frames 13, the two sliding frames 13 move downward along the two sliding rods 15 which have been fixed to the non-standard parts, so that the elastic members 14 installed on the two sliding rods 15 reinforcing the non-standard parts are gradually compressed, until the other two sliding rods 15 move to contact the rubber pad 16, then the two electric push rods 12 are turned off, after the above steps are completed, the non-standard parts are firmly fixed at the required position, and the next step of the working operation can be safely performed.
[0023] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.
Claims
1. A fixture for CNC machining parts, characterized in that, The system includes a placement plate (1), a housing (2), a motor (3), a turntable (4), a first fixing rod (401), a mounting plate (5), a fixing plate (6), a connecting plate (7), a second fixing rod (701), a connecting rod (8), a fixing frame (10), a guide rod (11), an electric push rod (12), a sliding frame (13), an elastic element (14), and a sliding rod (15). The placement plate (1) has a housing (2) on its lower side. The housing (2) houses the motor (3). The output shaft of the motor (3) is connected to the turntable (4). Two first fixing rods (401) are fixedly connected to the lower side of the turntable (4). Mounting plates (5) are symmetrically installed on the left and right sides of the outer side of the placement plate (1). Fixing plates (6) are slidably connected to both mounting plates (5). Connecting plates (6) are fixedly connected to opposite sides of the two fixing plates (6). 7) A second fixing rod (701) is fixedly connected to the lower side of each of the two connecting plates (7). A connecting rod (8) is connected to each of the two first fixing rods (401). The other side of the two connecting rods (8) is fixedly connected to the corresponding second fixing rod (701). Fixing frames (10) are fixedly connected to the front and back of each of the two fixing plates (6). Guide rods (11) are fixedly connected to each of the two fixing plates (6). Electric push rods (12) are installed on the outer side of each of the two fixing plates (6). Sliding frames (13) are connected to the upper end of each of the two electric push rods (12). The two sliding frames (13) are slidably connected to the two guide rods (11). Sliding rods (15) are slidably connected to the front and back of each of the two sliding frames (13). An elastic element (14) is provided between each sliding rod (15) and the corresponding sliding frame (13).
2. The fixture for CNC machining parts according to claim 1, characterized in that, It also includes a top cover (17), a bottom shell (18), an electromagnet (19), an adsorption plate (20), a connecting pipe (21), and a vacuum generator (22). The adsorption plate (20) is installed inside the placement plate (1). The bottom shell (18) is connected to the upper side of the adsorption plate (20). An electromagnet (19) is installed inside the bottom shell (18). The top cover (17) is placed on the upper side of the bottom shell (18). The connecting pipe (21) is symmetrically connected to the front and back of the adsorption plate (20). Vacuum generators (22) are staggered inside the placement plate (1). The two vacuum generators (22) are fixedly connected to the two connecting pipes (21).
3. A fixture for CNC machining parts according to claim 2, characterized in that, It also includes anti-slip blocks (1501), with an anti-slip block (1501) at the lower end of each sliding rod (15).
4. A fixture for CNC machining parts according to claim 3, characterized in that, It also includes a rubber pad (16), and the top cover (17) has a rubber pad (16) on the upper side.
5. A fixture for CNC machining parts according to claim 4, characterized in that, The placement plate (1) has multiple mounting holes.
6. A fixture for CNC machining parts according to claim 5, characterized in that, It also includes rubber strips (9), and rubber strips (9) are connected to the opposite sides of the two fixing plates (6).