Working station for quickly replacing clamping jaw

Abstract

Through the arrangement of the clamping jaw, a material taking plate, a driving mechanism and a quick-change head, when the quick-change head is connected with the clamping jaw, the material taking plate moves firstly, a sliding sleeve is lifted upwards, a positioning ball enters a receding groove and is jacked upwards through a limiting column, and therefore a movable rod is driven to be jacked upwards; and then the material taking plate is reset, the sliding sleeve moves downwards, the boss moves downwards, the positioning ball is jacked into the buckling groove to fix the clamping jaw, the same way is adopted during material taking, the replacement process of the clamping jaw is changed into the automatic process, the overall automatic process is higher, and the plug-in process is more convenient. And the working efficiency of the plug-in machine is effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of plug-in machines, in particular to a clamping claw quick-change workstation. Background Art

[0002] The plug-in machine is a machine that automatically installs the taped electronic components on the printed circuit board according to the program. The traditional electronic assembly industry mainly relies on workers to insert electronic components on the circuit board. Since the machine began to be mass-produced, the speed of manual plug-in has been slow, and the defects of poor craftsmanship have been exposed. Using the plug-in machine to automatically install electronic components on the circuit board can save labor costs and improve the level of plug-in technology. The operation of the plug-in machine basically includes components such as capacitors, inductors, connectors, etc. The engineers who design the process will divide the plug-in parts of each station according to the workload and rationality. Each machine is only responsible for installing a few components and repeating the same operation to minimize the chance of error.

[0003] When the plug-in machine is plugging in, the parts are mainly clamped by the clamping claws, and then plugged in the corresponding position. The existing plug-in machine clamping claws can only be replaced manually, and the degree of automation is not high enough. Moreover, when there are many types of product parts, different types of products often need to go through a plug-in process, manually replace the clamping claws, and then carry out the next plug-in to complete the plug-in of different products, which makes the plug-in process more troublesome and affects the working efficiency of the plug-in machine. Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0004] In view of this, the utility model aims at the deficiencies of the prior art, and its main purpose is to provide a clamping jaw quick replacement workstation, which can effectively solve the problems of low automation level of the existing plug-in machine, complicated plug-in process and low plug-in efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamping jaw quick-change workstation comprises a base, a clamping jaw, a material-retrieving plate, a driving mechanism and a quick-change head; the base is provided with a plurality of accommodating cavities with upper openings; the clamping jaws are also multiple, each of which is arranged in a corresponding accommodating cavity and the upper end surface of the clamping jaw is flush with the upper end opening of the accommodating cavity, the clamping jaws integrally extend upward with a limiting column, the upper end periphery of the limiting column is integrally inwardly concave with an annular buckle groove, and the upper and lower side walls of the buckle groove are both provided with a first guide surface; the material-retrieving plate can be arranged on the base to be movable back and forth laterally and is located beside the accommodating cavity; the driving mechanism is arranged on the base and drives the material-retrieving plate to move back and forth; the quick-change head is driven by an external mechanism to move back and forth above the base, and the quick-change head comprises a main body, a movable rod, a first guide surface ... A spring, a sliding sleeve, a second spring and a positioning bead; a movable groove extending up and down and penetrating the lower end surface of the main body is provided in the main body, and a mounting groove is penetrated through the side wall of the movable groove; the movable rod can be movably arranged in the movable groove up and down; the first spring is arranged on the main body and prompts the movable rod to move downward; the sliding sleeve can be slidably sleeved on the periphery of the main body up and down, and the inner wall of the sliding sleeve is integrally provided with a boss in contact with the outer wall of the main body; a yield groove is concavely provided inwardly below the boss, and the yield groove and the boss are connected by a second guide surface, the second spring is clamped between the main body and the sliding sleeve, and the second spring is used to prompt the sliding sleeve to move downward; the positioning bead is arranged in the mounting groove, and the diameter of the positioning bead is greater than the thickness of the side wall of the main body.

[0007] As a preferred solution, the picking plate is provided with an oblique guide portion on the side facing the clamping jaw; the guide portion is provided with a groove cooperating with the limiting column.

[0008] As a preferred solution, a second movable groove extending transversely is provided on the base, and the driving mechanism drives the material taking plate to move back and forth transversely along the second movable groove.

[0009] As a preferred solution, a third movable groove extending forward and backward is integrally recessed inwardly at the bottom of the second movable groove, a movable plate cooperating with the third movable groove is arranged in the second movable groove, an obliquely extending guide groove is opened on the movable plate, a guide rod cooperating with the guide groove is arranged on the feeding plate, the guide rod extends inwardly into the guide groove, and the driving mechanism drives the feeding plate to move back and forth along the second movable groove through the cooperation between the guide rod and the guide groove.

[0010] As a preferred solution, the number of the guide grooves is two and spaced apart, and the two guide grooves are arranged in parallel. Correspondingly, the number of the guide rods is also two, and each guide rod cooperates with the corresponding guide groove.

[0011] As a preferred solution, a limiting groove is provided at the upper end of the main body, which is located above the movable groove and connected to the movable groove, and the diameter of the limiting groove is larger than the diameter of the movable groove; the upper end of the movable rod is integrally provided with a convex portion protruding outwardly and cooperating with the limiting groove, the first spring is arranged in the limiting groove, and the two ends of the first spring are respectively connected between the top of the limiting groove and the upper end of the movable rod.

[0012] As a preferred solution, the side wall of the main body is provided with a sliding rod extending laterally, and the sliding sleeve is provided with a sliding groove extending up and down, and the sliding rod extends outward from the sliding sleeve through the sliding groove.

[0013] As a preferred solution, the number of the sliding rods is two and they are symmetrically arranged on the left and right, and correspondingly, the number of the sliding grooves is also two, and each sliding rod extends outwardly from the sliding sleeve through the corresponding sliding groove.

[0014] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0015] The invention relates to a method for adjusting the position of the movable rod and a method for adjusting the position of the movable rod, wherein the movable rod has a first spring which is arranged on the main body and prompts the movable rod to move downward, and the movable rod has a first spring which is arranged on the inner wall of the sliding sleeve and is provided with a boss which contacts the outer wall of the main body; a recessed groove is arranged in the lower direction of the boss, and a positioning bead is arranged in the mounting groove, and the diameter of the positioning bead is greater than the thickness of the side wall of the main body, so that when the quick-changing head is connected with the clamping jaw, the material picking plate is first moved and the sliding sleeve is lifted upward, so that the positioning bead enters the recessed groove, and is pushed up by the limiting column, thereby driving the movable rod to push up, so that the buckle groove corresponds to the mounting groove position, and then the material picking plate is reset, so that the sliding sleeve moves downward, so that the boss position moves downward, so that the positioning bead is pushed into the buckle groove to fix the clamping jaw, and the same is true when picking up materials, so that the replacement process of the clamping jaw becomes an automated process, the overall automation process is higher, the plug-in process is more convenient, and the working efficiency of the plug-in machine is effectively improved.

[0016] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of a preferred embodiment of the utility model;

[0019] Figure 3 yes Figure 2 The enlarged schematic diagram of point A in the middle;

[0020] Figure 4 It is a partial assembly diagram of a preferred embodiment of the utility model.

[0021] Description of the accompanying drawings:

[0022] 10. Base 101. Accommodating cavity

[0023] 102, second movable slot 103, third movable slot

[0024] 104, guide groove 11, movable plate

[0025] 20. Clamping jaws 201. Buckle slot

[0026] 21. Limiting column 22. First guide surface

[0027] 30. Take-up plate 301. Groove

[0028] 31. Guide part 32. Guide rod

[0029] 40. Driving mechanism 50. Quick-change head

[0030] 501, movable slot 502, installation slot

[0031] 503, yield slot 504, limit slot

[0032] 505, chute 51, main body

[0033] 511, slide bar 52, movable bar

[0034] 521, convex portion 53, first spring

[0035] 54, sliding sleeve 541, boss

[0036] 542, second guide surface 55, second spring

[0037] 56. Positioning beads. DETAILED DESCRIPTION

[0038] Please refer to Figures 1 to 4 As shown, it shows the specific structure of a preferred embodiment of the utility model, which includes a base 10, a clamping claw 20, a material picking plate 30, a driving mechanism 40 and a quick-change head 50.

[0039] The base 10 is provided with a plurality of accommodating cavities 101 with openings at the upper ends; in the present embodiment, the base 10 is provided with a second movable groove 102 extending transversely; the second movable groove 102 has a third movable groove 103 extending forward and backward integrally recessed at the bottom, a movable plate 11 cooperating with the third movable groove 103 is provided in the second movable groove 102, and an obliquely extending guide groove 104 is provided on the movable plate 11, and the guide grooves 104 are two spaced apart and arranged in parallel.

[0040] There are also multiple clamping jaws 20, each clamping jaw 20 is arranged in the corresponding accommodating cavity 101 and the upper end surface of the clamping jaw 20 is flush with the upper end opening of the accommodating cavity 101, and the clamping jaw 20 extends upward with a limiting column 21 as a whole, and the upper end periphery of the limiting column 21 is integrally concavely provided with an annular buckle groove 201, and the upper and lower side walls of the buckle groove 201 are both provided with a first guide surface 22.

[0041] The picking plate 30 can be movably arranged on the base 10 laterally and back and forth and is located beside the accommodating cavity 101; in the present embodiment, the picking plate 30 is provided with an oblique guide portion 31 on the side facing the clamping jaw 20; the guide portion 31 is provided with a groove 301 cooperating with the limiting column 21, and the guide portion 31 is used to facilitate the contact process between the picking plate 30 and the quick-change head 50; the picking plate 30 is provided with a guide rod 32 cooperating with the guide groove 104, and the guide rod 32 extends inwardly into the guide groove 104; the guide rod 32 is also provided in two, and each guide rod 32 cooperates with the corresponding guide groove 104.

[0042] The driving mechanism 40 is arranged on the base 10 and drives the material picking plate 30 to move back and forth; in this embodiment, the driving mechanism 40 drives the material picking plate 30 to move back and forth laterally along the second movable groove 102; the driving mechanism 40 drives the material picking plate 30 to move back and forth along the second movable groove 102 through the cooperation of the guide rod 32 and the guide groove 104.

[0043] The quick-change head 50 is driven by an external mechanism to move back and forth above the base 10. The quick-change head 50 includes a main body 51, a movable rod 52, a first spring 53, a sliding sleeve 54, a second spring 55 and a positioning bead 56. The main body 51 has a movable groove 501 extending up and down and penetrating the lower end surface of the main body 51, and the side wall of the movable groove 501 penetrates a mounting groove 502. The movable rod 52 can be movably arranged in the movable groove 501 up and down. The first spring 53 is arranged on the main body 51 and prompts the movable rod 52 to move downward. The sleeve 54 can be slidably sleeved on the periphery of the main body 51 up and down, and the inner wall of the sleeve 54 is integrally provided with a boss 541 that contacts the outer wall of the main body 51; a recessed groove 503 is recessed inwardly below the boss 541, and the recessed groove 503 and the boss 541 are connected by a second guide surface 542. The second spring 55 is clamped between the main body 51 and the sleeve 54, and the second spring 55 is used to urge the sleeve 54 to move downward; the positioning bead 56 is arranged in the installation groove 502, and the diameter of the positioning bead 56 is greater than the thickness of the side wall of the main body 51.

[0044] In this embodiment, a limiting groove 504 is provided at the upper end of the main body 51, and the limiting groove 504 is located above the movable groove 501 and is connected to the movable groove 501, and the diameter of the limiting groove 504 is larger than the diameter of the movable groove 501; the upper end of the movable rod 52 is integrally provided with a convex portion 521 that cooperates with the limiting groove 504, and the convex portion 521 cooperates with the limiting groove 504 to limit the position of the movable rod 52, and the first spring 53 is arranged in the limiting groove 504, and the two ends of the first spring 53 are respectively connected to the top of the limiting groove 504 and the movable The upper end of the rod 52; the side wall of the main body 51 is provided with a laterally extending slide bar 511, and the slide sleeve 54 is provided with a slide groove 505 extending up and down. The slide bar 511 extends outward from the slide sleeve 54 through the slide groove 505, so that the slide sleeve 54 is prevented from rotating during the up and down movement through the cooperation between the slide bar 511 and the slide groove 505, thereby ensuring the stability of the clamping jaw changing process; the slide bar 511 is symmetrically arranged in two, and correspondingly, the slide groove 505 is also arranged in two, and each slide bar 511 extends outward from the slide sleeve 54 through the corresponding slide groove 505.

[0045] The working principle of this embodiment is described in detail as follows:

[0046] When the quick-change head 50 needs to remove the clamping jaws 20, the external driving device first drives the quick-change head 50 to move to the top of the accommodating chamber 101 and maintains a certain distance, and the clamping jaws 20 are partially moved into the accommodating chamber 101. At this time, the driving mechanism 40 drives the material-collecting plate 30 to move toward the clamping jaws 20, and lifts the sliding sleeve 54 upward through the material-collecting plate 30. At this time, the boss 541 will move upward and make the mounting groove 502 connected with the clearance groove 503. At this time, the movable rod 52 moves downward under the drive of the first spring 53, and makes the limit column 21 move downward. Then the positioning bead 56 moves from the buckle groove 201 to the clearance groove 503 under the drive of the movable rod 52. 03, thereby causing the limit column 21 to detach from the quick-change head 50. After removal, the quick-change head 50 is driven by an external driving device to move to the top of the other clamping jaw 20, and move downward, so that the limit column 21 moves from bottom to top to the movable groove 501, and drives the movable rod 52 to move upward until the buckle groove 201 corresponds to the position of the installation groove 502. At this time, the driving mechanism 40 drives the material picking plate 30 to reset. At this time, the sliding sleeve 54 moves downward and resets under the action of the second spring 55, so that the boss 541 moves downward to the installation groove 502, and the positioning bead 56 is clamped into the buckle groove 201 through the boss 541, thereby fixing the clamping jaw 20 on the quick-change head 50.

[0047] The design focus of the utility model is that: a clamping claw, a material taking plate, a driving mechanism and a quick-change head are provided, and a limit column is extended upward in cooperation with the clamping claw, an annular buckle groove is integrally formed inwardly on the periphery of the upper end of the limit column, and a mounting groove is penetrated through the side wall of the movable groove; a first spring is provided on the main body and prompts the movable rod to move downward, and a boss in contact with the outer wall of the main body is integrally formed on the inner wall of the sliding sleeve; a yield groove is concavely formed inwardly on the lower side of the boss, and a positioning bead is provided in the mounting groove, and the diameter of the positioning bead is greater than the thickness of the side wall of the main body, so that When the quick-change head is connected to the clamping jaws, the picking plate moves first and lifts the sliding sleeve upwards, so that the positioning bead enters the clearance groove and is pushed up by the limiting column, thereby driving the movable rod to push up, so that the buckle groove and the installation groove position correspond to each other, and then the picking plate is reset, so that the sliding sleeve moves downward, and the boss position moves downward, thereby pushing the positioning bead into the buckle groove to fix the clamping jaws. The same is true when picking up materials, so that the replacement process of the clamping jaws becomes an automated process, the overall automation process is higher, the plug-in process is more convenient, and the working efficiency of the plug-in machine is effectively improved.

[0048] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A clamping jaw quick change workstation, characterized in that: The invention comprises a base, a clamping jaw, a feeding plate, a driving mechanism and a quick-change head; the base is provided with a plurality of accommodating chambers with openings at the upper ends; the clamping jaws are also multiple, each of which is arranged in a corresponding accommodating chamber and the upper end surface of the clamping jaws is flush with the upper end opening of the accommodating chamber, the clamping jaws integrally extend upwards with a limiting column, the upper end periphery of the limiting column is integrally inwardly concavely provided with an annular buckle groove, and the upper and lower side walls of the buckle groove are both provided with a first guide surface; the feeding plate can be arranged on the base to be movable back and forth laterally and is located beside the accommodating chamber; the driving mechanism is arranged on the base and drives the feeding plate to move back and forth; the quick-change head moves back and forth above the base driven by an external mechanism, and the quick-change head comprises a main body, a movable rod, a first spring, and a sliding sleeve , a second spring and a positioning bead; a movable groove extending up and down and penetrating the lower end surface of the main body is provided in the main body, and a mounting groove is penetrated through the side wall of the movable groove; the movable rod can be movably arranged in the movable groove up and down; the first spring is arranged on the main body and prompts the movable rod to move downward; the sliding sleeve can be slidably sleeved on the periphery of the main body up and down, and the inner wall of the sliding sleeve is integrally provided with a boss in contact with the outer wall of the main body; a clearance groove is recessed inwardly below the boss, and the clearance groove and the boss are connected by a second guide surface, the second spring is clamped between the main body and the sliding sleeve, and the second spring is used to prompt the sliding sleeve to move downward; the positioning bead is arranged in the mounting groove, and the diameter of the positioning bead is greater than the thickness of the side wall of the main body.

2. The clamping jaw quick change workstation according to claim 1, characterized in that: The picking plate is provided with an oblique guide portion on one side facing the clamping claw; the guide portion is provided with a groove matched with the limiting column.

3. The clamping jaw quick change workstation according to claim 1, characterized in that: The base is provided with a second movable groove extending transversely, and the driving mechanism drives the material taking plate to move back and forth transversely along the second movable groove.

4. The clamping jaw quick change workstation according to claim 3, characterized in that: A third movable groove extending forward and backward is integrally recessed inwardly at the bottom of the second movable groove, a movable plate cooperating with the third movable groove is arranged in the second movable groove, a guide groove extending obliquely is opened on the movable plate, a guide rod cooperating with the guide groove is arranged on the feeding plate, the guide rod extends inwardly into the guide groove, and the driving mechanism drives the feeding plate to move back and forth along the second movable groove through the cooperation between the guide rod and the guide groove.

5. The clamping jaw quick-change workstation according to claim 4, characterized in that: There are two guide grooves arranged at intervals, and the two guide grooves are arranged in parallel. Correspondingly, there are also two guide rods, and each guide rod cooperates with the corresponding guide groove.

6. The clamping jaw quick-change workstation according to claim 1, characterized in that: A limiting groove is provided at the upper end of the main body, which is located above the movable groove and connected to the movable groove, and the diameter of the limiting groove is larger than the diameter of the movable groove; the upper end of the movable rod is integrally provided with a convex portion protruding outwardly and cooperating with the limiting groove, the first spring is arranged in the limiting groove, and the two ends of the first spring are respectively connected between the top of the limiting groove and the upper end of the movable rod.

7. The clamping jaw quick-change workstation according to claim 1, characterized in that: The side wall of the main body is provided with a sliding rod extending transversely, and the sliding sleeve is provided with a sliding groove extending up and down, and the sliding rod extends outward from the sliding sleeve through the sliding groove.

8. The clamping jaw quick-change workstation according to claim 7, characterized in that: There are two sliding rods symmetrically arranged on the left and right, and correspondingly, there are also two sliding grooves arranged, and each sliding rod extends outwardly to the sliding sleeve through the corresponding sliding groove.

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