TWI842240B - Multi-plane machining fixture structure - Google Patents

Abstract

A multi-plane processing fixture structure is provided with a fixture seat for clamping the workpiece on one side of a worktable. The fixture seat is provided with multiple processing clamping parts. A hydraulic cylinder controls a slide block so that the workpiece placed on the processing clamping part is clamped by the slide block and then processed, thereby achieving the benefits of time saving and energy saving.

Description

Multi-plane machining fixture structure

The present invention relates to a manufacturing device for a linear slider, and in particular refers to a multi-plane processing fixture structure capable of manufacturing multiple sets of linear sliders at the same time.

For example, the manufacturing device of the linear slide rail with the invention patent No. I292351 of the Republic of China uses the broaching method to solve the problems of slow speed and poor precision of the previous milling process.

However, in the above case, the processing equipment can only process one set of workpieces at a time and cannot produce sliders quickly and in large quantities.

How to solve the aforementioned problem of poor slider production efficiency is a topic that relevant industry players are actively working on.

The main purpose of the present invention is to provide a multi-plane processing fixture structure, where a fixture seat for clamping the workpiece is provided on one side of the workbench, and the fixture seat is provided with multiple processing clamping parts. A hydraulic cylinder controls a slide block, so that the workpiece placed on the processing clamping part is clamped by the slide block and then processed, thereby saving time and energy.

Therefore, the present invention comprises a processing machine and a fixture clamping system; the aforementioned processing machine comprises a base and a slide; the base is arranged on a plane, and the slide is vertically overlapped on the base; and the slide is provided with a slide guide, and a processing tool module is provided on the processing machine, and the processing tool module comprises a tool seat movable on the slide, and at least two sets of cutting tools arranged on the tool seat; the fixture clamping system is arranged on the processing machine On the opposite side, it includes a workbench and a jig lifting table assembly, the jig lifting table assembly is provided with a pivoting part on one side, and the pivoting part is connected to an axial part of the workbench, and the workbench is provided with a hydraulic cylinder unit, and the jig lifting table assembly is pushed by the hydraulic cylinder unit to rotate around the pivoting part; its characteristics are: the jig clamping system further includes a bottom plate, a jig base, two sets of symmetrically arranged jig supports, two sets of symmetrically arranged jig positioning devices, The jig fixing device is composed of two sets of symmetrically arranged jig fixing devices and two sets of sensing devices; the bottom plate is arranged on the upper end of the jig lifting platform; the jig base is installed on the upper end of the bottom plate, and the jig base is a mountain-shaped structure, providing the jig support body, the jig positioning device and the jig fixing device to be installed thereon; each jig support body is a triangular shape, and the jig support body is arranged at the rear end of the two ends of the jig base to support each jig positioning device; each jig positioning device is assembled on the jig The jig positioning device is composed of an outer shell, a lower push unit, an upper push unit, a lower sliding block and an upper sliding block. The bottom of the outer shell is locked and combined with the jig base, and one side of the outer shell is locked and fixed with the jig support body, so that the jig positioning device stands upright on the jig base; the lower push unit and the upper push unit are arranged at the upper and lower ends of the inner part of the outer shell, the lower push unit is connected to the lower sliding block, and the upper push unit is connected to the lower sliding block. The moving unit is connected to the upper sliding block; the lower and upper sliding blocks are trapezoidal, providing each fixture fixing device with a clamping function; each housing body is provided with a lower assembly part, a middle assembly part and an upper assembly part, and the fixture fixing device is composed of a first fixing unit, a second fixing unit and a third fixing unit; each first fixing unit is installed on each lower assembly part, and each first fixing unit is provided with a first processing part accommodating a processing object, and each first processing part is provided with a The lower sliding block is slidably matched with a first clamping block; each of the second fixed units is installed on each of the middle assembly parts, and the second fixed unit is provided with a second processing part for accommodating a processing object, and each of the second processing parts is provided with a second clamping block slidably matched with the upper sliding block; the third fixed unit is assembled on the upper assembly part, and the lower end of the second fixed unit is used to limit the moving direction of the lower sliding block, and the third fixed unit is used to limit the moving direction of the upper sliding block; the second sensing device is arranged between the two jig positioning devices The two sensing devices are arranged side by side in an upper and lower manner, and each of the two sensing devices includes a linear propulsion unit, a sensing body, and two sets of sensing rods arranged symmetrically; the linear propulsion unit is connected to the sensing body through a plurality of sets of propulsion rods, and the two sensing rods are arranged on both sides of the sensing body and are used to sense the position of the workpiece arranged on the first and second processing parts; the lower and upper propulsion units drive the lower and upper sliding blocks to produce a retracting action, so that the lower and upper sliding blocks push the first and second clamping blocks, so that the device The workpiece placed in the first and second processing parts is tightly clamped by the first and second fixing units and the first and second clamping blocks. In addition, the aforementioned sensing device moves synchronously with the lower and upper pushing units and is pushed toward one side of the processing machine to sense the position of the workpiece placed in the first and second processing parts through the two sensing rods; and then the cutting tool on the processing machine is used to perform broaching on the workpiece placed in the first and second processing parts, so that multiple workpieces can be processed and formed at the same time.

In the embodiment of the present invention, when the processing is completed, the hydraulic cylinder unit is used to push the jig lifting table assembly to rotate upward, and then the lower and upper push units are pushed toward one side of the processing machine, so that the lower and upper sliding blocks release the first and second clamping blocks, and the balancing device is retracted, so that the workpieces set in the first and second processing parts can be unloaded, and the workpieces to be processed are placed in the first and second processing parts.

In an embodiment of the present invention, a pad is provided between the bottom plate and the fixture base.

Through the above description, the advantages that can be obtained by the present invention are roughly as follows:

1. The present invention uses a plurality of first and second processing parts for clamping the workpiece on the fixture clamping system, and cooperates with the lower and upper sliding blocks to synchronously clamp the workpiece and fine-tune the position of the workpiece. Thus, multiple workpieces can be processed simultaneously, greatly reducing the processing time and energy saving, increasing the profit of the industry and reducing costs, etc.

2. The present invention uses a trapezoidal sliding block to clamp the clamping block, which does not require complex pneumatic clamping devices and other designs, and can greatly reduce the complexity of the clamping system.

1: Processing machine

11: Base

12: Sliding seat

13: Chute

2: Fixture clamping system

21: Workbench

211: Rotating part

212: Hydraulic cylinder unit

22: Jig lifting table set

221: Pivot

23: Base plate

24: Pad

25: Fixture base

26: Fixture support body

27: Fixture positioning device

271: Shell

271A: Lower assembly

271B: Middle assembly department

271C: Upper assembly

272: Pushing unit down

273: Upper push unit

274: Slide block

275: Upper slider

28: Fixture fixing device

281: First fixed unit

281A: First Processing Department

281B: First clamping block

282: Second fixed unit

282A: Second processing department

282B: Second clamping block

283: Third fixed unit

29:Sensor device

291: Linear propulsion unit

291A: Putting rod

292: Sensing body

293: Sensor rod

3: Processing tool module

31: Knife holder

32: Cutting tools

S1: Step 1

S2: Step 2

S3: Step 3

S4: Step 4

S5: Step 5

Figure 1 is the overall system diagram of the present invention.

Figure 2 is a structural diagram of the processing machine.

Figure 3 is a structural diagram of the fixture clamping system.

Figure 4: Schematic diagram of the fixture lifting platform assembly.

Figure 5: Top view of the fixture clamping system structure.

Figure 6: A side view of the structure of the fixture clamping system.

Figure 7: This is a diagram showing the use of the fixture positioning device.

Figure 8: This is a structural diagram of the fixture positioning device in the relaxed state.

Figure 9: This is a diagram showing the usage status of the sensing device.

Figure 10: is a block diagram of the steps for using the present invention.

In order to enable the review committee to have a further understanding and recognition of the characteristics and features of the present invention, the following preferred embodiments are listed and illustrated as follows: Please refer to Figure 1. The multi-plane processing fixture structure of the present invention mainly includes: a processing machine 1 and a fixture clamping system 2.

As shown in Figures 1 and 2, the aforementioned processing machine 1 includes a base 11 and a slide 12; the base 11 is arranged on a plane, and the slide 12 is vertically overlapped on the base 11; and the slide 12 is provided with a guide slide 13, and the processing machine 1 is provided with a processing tool module 3, and the processing tool module 3 includes a tool seat 31 that can move on the slide 12, and two sets of cutting tools 32 arranged on the tool seat 31.

As shown in Figures 1, 3 and 4, the fixture clamping system 2 is arranged on the opposite side of the processing machine 1, and includes a workbench 21 and a fixture lifting table assembly 22. The fixture lifting table assembly 22 has a pivot 221 on one side, and is connected to a shaft 211 of the workbench 21 through the pivot 221. The workbench 21 is provided with a hydraulic cylinder unit 212, and the hydraulic cylinder unit 212 pushes the fixture lifting table assembly 22 to generate an angle rotation with the pivot 221 as the center.

As shown in Figures 1, 3 and 5, the fixture clamping system 2 includes a bottom plate 23, a pad 24, a fixture base 25, two sets of symmetrically arranged fixture support bodies 26, two sets of symmetrically arranged fixture positioning devices 27, two sets of symmetrically arranged fixture fixing devices 28 and two sets of sensing devices 29 in order from bottom to top.

Please refer to Figures 1, 3 to 6. The bottom plate 23 is arranged on the upper end of the jig lifting platform assembly 22. The pad 24 is arranged between the bottom plate 23 and the jig base 25 to provide the function of raising the jig base 25. When there is no need to raise the base 25, the pad 24 can be pulled out.

As shown in Figures 3 to 6, the fixture base 25 is installed on the upper end of the base plate 23. The fixture base 25 is a mountain-shaped structure, and the fixture support body 26, the fixture positioning device 27 and the fixture fixing device 28 are installed thereon.

As shown in Figures 1, 3, and 6, each of the jig support bodies 26 is in a triangular shape. The jig support body 26 is disposed at the rear ends of both ends of the jig base 25 and is used to support each of the jig positioning devices 27.

As shown in FIG. 1, FIG. 3 to FIG. 6, each jig positioning device 27 is assembled on the jig base 25, and each jig positioning device 27 includes a housing 271, a lower push unit 272, an upper push unit 273, a lower slide block 274 and an upper slide block 275. The bottom of the housing 271 is locked and combined with the jig base 25, and one side of the housing 271 is locked with the jig support body 26. The fixture positioning device 27 is locked and fixed so that it stands upright on the fixture base 25; the lower push unit 272 and the upper push unit 273 are arranged at the upper and lower ends of the inner part of the outer shell 271, the lower push unit 272 is connected to the lower sliding block 274, and the upper push unit 273 is connected to the upper sliding block 275; the lower and upper sliding blocks 274, 274 are trapezoidal, providing each fixture fixing device 28 with a clamping function.

As shown in FIGS. 3 to 6 , each of the housings 271 is provided with a lower assembly portion 271A, a middle assembly portion 271B and an upper assembly portion 271C. The aforementioned fixture fixing device 28 is composed of a first fixing unit 281, a second fixing unit 282 and a third fixing unit 283. Each of the first fixing units 281 is mounted on each of the lower assembly portions 271A, and each of the first fixing units 281 is provided with a first processing portion 281A for accommodating a processing object, and each of the first processing portions 281A is provided with a sliding engagement with the lower sliding block 274. The first clamping block 281B; each second fixing unit 282 is installed on each middle assembly part 271B, and the second fixing unit 282 is provided with a second processing part 282A for accommodating a processing object, and each second processing part 282A is provided with a second clamping block 282B that is slidably matched with the upper sliding block 275; the third fixing unit 283 is assembled on the upper assembly part 271C, and the lower end of the second fixing unit 282 is used to limit the moving direction of the lower sliding block 274, and the third fixing unit 283 is used to limit the moving direction of the upper sliding block 275.

As shown in Figures 3 to 6, the two sensing devices 29 are arranged between the two fixture positioning devices 27 and arranged side by side. The two sensing devices 29 both include a linear propulsion unit 291, a sensing body 292, and two sets of symmetrically arranged sensing rods 293; the linear propulsion unit 291 is connected to the sensing body 292 through multiple sets of propulsion rods 291A, and the two sensing rods 293 are arranged on both sides of the sensing body 292 and are used to sense the position of the workpiece arranged on the first and second processing parts 281A and 282A.

The specific operation method of the present invention is shown in FIG. 7. The lower and upper push units 272 and 273 drive the lower and upper slide blocks 274 and 275 to retract, so that the lower and upper slide blocks 274 and 275 push the first and second clamping blocks 281B and 282B, so that the workpieces set in the first and second processing parts 281A and 282A are clamped by the first and second fixing blocks. The fixed units 281 and 282 are tightly clamped with the first and second clamping blocks 281B and 282B. In addition, as shown in FIG9 , the aforementioned sensing device 29 moves synchronously with the lower and upper pushing units 272 and 273 and is pushed toward one side of the processing machine 1 to sense the position of the workpiece set in the first and second processing parts 281A and 282A through the two sensing rods 293.

The cutting tool 32 on the processing machine 1 is then used to perform broaching on the workpieces disposed in the first and second processing parts 281A and 282A, so that multiple workpieces can be processed and formed at the same time.

Please refer to Figure 8. When the processing is completed, the hydraulic cylinder unit 212 pushes the jig lifting table assembly 22 to rotate upward, and then the lower and upper push units 272 and 273 push toward one side of the processing machine, so that the lower and upper sliding blocks 274 and 275 release the first and second clamping blocks 281B and 282B, and the sensing body 292 of the sensing device 29 retracts, so that the workpiece set in the first and second processing parts 281A and 282A can be unloaded, and the workpiece to be processed is placed in the first and second processing parts 281A and 282A, and then the process returns to the process of Figure 7 for cyclic processing.

As shown in Figure 10, the use steps and the effects that can be obtained of the present invention are as follows:

Step 1 S1: The jig lifting platform assembly 22 is lifted upward by the hydraulic cylinder unit 212, the lower and upper sliding blocks 274 and 275 release the first and second clamping blocks 281B and 282B, and the sensing body 292 of the sensing device 29 is retracted, and the workpiece to be processed is placed on the first and second processing parts 281A and 282A.

Step 2 S2: The lower and upper push units 272 and 273 drive the lower and upper slide blocks 274 and 275 to retract, so that the lower and upper slide blocks 274 and 275 push the first and second clamping blocks 281B and 282B, so that the workpiece set in the first and second processing parts 281A and 282A is tightly clamped by the first and second fixing units 281 and 282 and the first and second clamping blocks 281B and 282B; the sensing device 29 moves synchronously with the lower and upper push units 272 and 273, and is pushed toward one side of the processing machine 1, and the position of the workpiece set in the first and second processing parts 281A and 282A is sensed through the two sensing rods 293.

Step three S3: The hydraulic cylinder unit 212 retracts, causing the fixture lifting platform assembly 22 to descend to a horizontal state.

Step 4 S4: Use the machining tool module 3 of the machining machine 1 to perform broaching on the workpiece.

Step 5 S5: After the processing is completed, return to step 1 S1, remove the workpiece, and then place the workpiece in the first and second processing parts 281A and 282A; then repeat steps 1 to 5 S1~S5 until the required number of finished products is completed.

The cutting tool 32 of the machining tool module 3 disclosed in the diagram of the present invention performs broaching on the left and right end faces of the workpiece, but the cutting tool 32 is not limited to cutting only the end faces, and can also process other surfaces, greatly improving the economic value of the present invention.

The present invention uses a plurality of first and second processing parts 281A and 282A for clamping the workpiece to be provided on the fixture clamping system 2, and cooperates with the lower and upper sliding blocks 274 and 275 to synchronously clamp the workpiece and fine-tune the position of the workpiece. Thus, multiple workpieces can be processed simultaneously, which greatly reduces the processing time and energy saving, improves the profit of the industry and reduces the cost and other multiple advantages.

In summary, the structure of this invention has never been seen in any books or publications or used publicly, and it truly meets the requirements for invention patent application. We sincerely request the Bureau to review and approve the patent as soon as possible. We would be very grateful.

2: Fixture clamping system

21: Workbench

211: Rotating part

22: Jig lifting table set

221: Pivot

23: Base plate

24: Pad

25: Fixture base

26: Fixture support body

27: Fixture positioning device

271: Shell

274: Slide block

275: Upper slider

28: Fixture fixing device

281: First fixed unit

282: Second fixed unit

283: Third fixed unit

29:Sensor device

Claims (4)

A multi-plane machining fixture structure mainly comprises: a machining machine and a fixture clamping system; the machining machine comprises a base and a slide; the base is arranged on a plane, and the slide is vertically overlapped on the base; and the slide is provided with a slide guide groove, and the machining machine is provided with a machining tool module, and the machining tool module comprises a tool seat movable on the slide, and at least two sets of cutting tools arranged on the tool seat; the fixture clamping system is provided with On the opposite side of the processing machine, it includes a workbench and a jig lifting table assembly, the jig lifting table assembly is provided with a pivoting part on one side, and is connected to an axial part of the workbench through the pivoting part. The workbench is provided with a hydraulic cylinder unit, and the jig lifting table assembly is pushed by the hydraulic cylinder unit to rotate around the pivoting part. The jig clamping system includes a bottom plate, a jig base, two sets of symmetrically arranged jig supports, two sets of symmetrically arranged jig supports, and a bottom plate. The jig positioning device, two sets of symmetrically arranged jig fixing devices and two sets of sensing devices are composed; the bottom plate is arranged on the upper end of the jig lifting platform; the jig base is installed on the upper end of the bottom plate, and the jig base is a mountain-shaped structure, providing the jig support body, the jig positioning device and the jig fixing device to be installed thereon; each jig support body is in a triangular shape, and the jig support body is arranged at the rear end of both ends of the jig base, and is used to support each jig positioning device; Each jig positioning device is The jig positioning device is assembled on the jig base, and each jig positioning device includes an outer shell, a lower push unit, an upper push unit, a lower slide block and an upper slide block. The bottom of the outer shell is locked and combined with the jig base, and one side of the outer shell is locked and fixed with the jig support body, so that the jig positioning device stands upright on the jig base; the lower push unit and the upper push unit are arranged at the upper and lower ends of the inner part of the outer shell, and the lower push unit is connected to the lower slide block. , the upper push unit is connected to the upper sliding block; the lower and upper sliding blocks are trapezoidal, providing each fixture fixing device with a clamping function; each housing body is provided with a lower assembly part, a middle assembly part and an upper assembly part, and the aforementioned fixture fixing device is composed of a first fixing unit, a second fixing unit and a third fixing unit; each first fixing unit is installed on each lower assembly part, and each first fixing unit is provided with a first processing part for accommodating a processing object, and each first processing part is provided with a first clamping block slidably matched with the lower sliding block; each of the second fixing units is installed on each of the middle assembly parts, the second fixing unit is provided with a second processing part for accommodating a processing object, and each of the second processing parts is provided with a second clamping block slidably matched with the upper sliding block; the third fixing unit is assembled on the upper assembly part, the lower end of the second fixing unit is used to limit the moving direction of the lower sliding block, and the third fixing unit is used to limit the moving direction of the upper sliding block; the second sensing device is arranged on the second fixture positioning device The two sensing devices are arranged side by side, and each of them includes a linear propulsion unit, a sensing body, and two sets of sensing rods arranged symmetrically; the linear propulsion unit is connected to the sensing body through multiple sets of propulsion rods, and the sensing rods are arranged on both sides of the sensing body and are used to sense the position of the workpiece arranged on each of the first and second processing parts; the lower and upper propulsion units drive the lower and upper sliding blocks to produce a retracting action, so that the lower and upper sliding blocks push the first and second clamping blocks, The workpieces set in the first and second processing parts are tightly clamped by the first and second fixing units and the first and second clamping blocks. In addition, the aforementioned sensing device moves synchronously with the lower and upper pushing units and is pushed toward one side of the processing machine to sense the position of the workpieces set in the first and second processing parts through the two sensing rods; and then the cutting tool on the processing machine is used to perform broaching on the workpieces set in the first and second processing parts, so that multiple workpieces can be processed and formed at the same time. As described in claim 1, the multi-plane processing jig structure, wherein, after processing is completed, the hydraulic cylinder unit is used to push the jig lifting table assembly to rotate upward, and then the lower and upper push units are pushed toward one side of the processing machine, so that the lower and upper sliding blocks release the first and second clamping blocks, and the balancing device is retracted, so that the workpieces set in the first and second processing parts can be unloaded, and the workpieces to be processed are placed in the first and second processing parts. The multi-plane machining fixture structure as described in claim 1, wherein a pad is provided between the bottom plate and the fixture base. A method for manufacturing a slider using a multi-plane processing fixture structure of claim 1, comprising: Step 1: The fixture lifting platform assembly is lifted upward by the hydraulic cylinder unit, the lower and upper sliding blocks release the first and second clamping blocks, and the sensing body of the sensing device is retracted, and the workpiece to be processed is placed in the first and second processing parts; Step 2: The lower and upper pushing units drive the lower and upper sliding blocks to produce a retracting action, so that the lower and upper sliding blocks push the first and second clamping blocks, so that the workpiece set in the first and second processing parts is moved by the first and second fixing units and The first and second clamping blocks are tightly clamped; the sensing device moves synchronously with the lower and upper push units and is pushed toward one side of the processing machine, and the two sensing rods sense the position of the workpiece set in the first and second processing parts; Step 3: The hydraulic cylinder unit retracts, so that the fixture lifting table assembly descends to a horizontal state; Step 4: The workpiece is broached using the processing tool module of the processing machine; Step 5: After the processing is completed, return to step 1, remove the workpiece, and then place the workpiece to be processed in the aforementioned first and second processing parts; then repeat steps 1 to 5 for a cyclic processing.

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