Annular workpiece fixing jig and automatic screw driving equipment

Abstract

The utility model discloses an annular workpiece fixing jig and automatic screw driving equipment. The annular workpiece fixing jig comprises a jig support. The jig support is provided with at least one set of limiting protruding parts and positioning supporting parts, the limiting protruding parts and the positioning supporting parts are matched with one another, and a limiting space for clamping an annular workpiece is formed between each limiting protruding part and the corresponding positioning supporting part. Comprising a discharging mechanism, the discharging mechanism comprises a plurality of push rods, and the push rods can be inserted into the insertion holes and push out the annular workpieces clamped on the jig support. The annular workpiece is positioned, the phenomenon that the machining precision is affected due to the fact that the position of the workpiece moves in the screw turning process is avoided, and the machining efficiency of the annular workpiece is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing jigs, in particular to an annular workpiece fixing jig and an automatic screw driving device comprising the same. Background Art

[0002] A fixture is a tool used to fix or clamp a product during processing. The annular plastic workpiece consists of an upper ring part and a lower ring part that are screwed together. When processing annular plastic workpieces, a fixture is needed to fix the product to prevent the product from moving randomly during the screwing process and affecting the processing accuracy.

[0003] Therefore, it is necessary to provide a ring-shaped workpiece fixing fixture and an automatic screw driving device to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the purpose of the utility model is to provide a ring-shaped workpiece fixing fixture to position the ring-shaped workpiece, avoid the phenomenon that the machining accuracy is affected by the movement of the workpiece position during the screwing process, and improve the machining efficiency of the ring-shaped workpiece.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a ring-shaped workpiece fixing fixture, including a fixture bracket; the fixture bracket is provided with at least one group of mutually cooperating limiting protrusions and positioning support parts, and a limited space for the ring-shaped workpiece to be clamped is formed between the limiting protrusions and the positioning support parts.

[0006] Furthermore, the positioning support portion includes a support block 1 and a support block 2 which are respectively arranged on both sides of the limiting protrusion and protrude from the surface of the jig bracket. The support block 1 and the support block 2 cooperate with each other to form a platform for the annular workpiece to rest on. Under the cooperation of the support block 1, the support block 2 and the jig bracket, the annular workpiece can be kept vertically placed, so that the upper ring part is inserted into the lower ring part from top to bottom and then the screws are driven in to lock it.

[0007] Furthermore, the length of at least one protruding fixture support surface between the support block 1 and the support block 2 is greater than or equal to the width of the annular workpiece placement end, so as to ensure that the annular workpiece can be stably placed on the support block 1 and the support block 2, and prevent the annular workpiece from falling off the fixed fixture after being placed, affecting the subsequent screw driving process.

[0008] Furthermore, the limiting protrusion is arranged to protrude from the surface of the jig support, and the bottom of the limiting protrusion is provided with an arc surface that fits with the upper surface of the lower ring portion of the annular workpiece. By providing the limiting protrusion, the annular workpiece is positioned when it is placed, and the bottom of the limiting protrusion fits with the arc of the upper surface of the lower ring portion, thereby ensuring that after the two sides of the lower ring portion of the annular workpiece are placed on the positioning support, there will be no positional movement in the left and right horizontal directions. This positioning can ensure the accuracy of subsequent automatic screwing and ensure the subsequent processing efficiency.

[0009] Furthermore, a clearance groove is provided on the jig support, and the clearance groove is located below the limiting protrusion, so as to effectively avoid the jig support from interfering with the feeding of the annular workpiece.

[0010] Furthermore, the fixture support is vertically arranged and has a plurality of insertion holes formed thereon, the insertion holes corresponding to the positions of the positioning support parts, and the insertion holes are used for inserting the push rods in the unloading mechanism to push the screwed annular workpiece out of the fixed fixture to realize automatic unloading.

[0011] An automatic screw driving device includes a feeding mechanism, wherein the feeding mechanism includes a plurality of push rods, which can be inserted into an insertion hole and push out an annular workpiece clamped on a fixture bracket. The feeding mechanism cooperates with an annular workpiece fixing fixture, and after the annular workpiece is screwed, the annular workpiece is directly pushed away from the fixture bracket, thereby realizing automatic feeding and effectively improving the processing efficiency of the annular workpiece.

[0012] Furthermore, a plurality of annular workpiece fixing jigs are arranged around the unloading mechanism on the rotating disk, and the unloading mechanism also includes an unloading bracket and a push cylinder arranged horizontally thereon, and the push cylinder is connected to the push rod through the push rod bracket. The plurality of annular workpiece fixing jigs arranged around can realize the sequential screwing and automatic unloading of multiple groups of annular workpieces, effectively improving the processing efficiency of the annular workpieces.

[0013] Furthermore, a driving member is provided at the bottom of the rotating disk to make it rotate, and the number of the insertion holes and the pushing rod are the same and the positions are corresponding. The driving member can be a rotary motor or a dividing plate, as long as it can drive the rotating disk to rotate. The rotating disk is driven to rotate by the driving member, so that the annular workpiece fixing fixture located on the rotating disk is moved to the unloading mechanism in sequence after the screws are tightened, and the pushing rod is pushed into the insertion hole by the pushing cylinder, and the annular workpiece on the fixture bracket is pushed out, so that the annular workpiece is automatically unloaded, effectively improving the processing efficiency of the annular workpiece.

[0014] Beneficial effects of the utility model:

[0015] In the utility model, the jig bracket, the limiting protrusion and the positioning support part cooperate with each other. The positioning support part can support the lower ring part of the annular workpiece from both ends thereof, and the limiting protrusion can position the annular workpiece to avoid the phenomenon that the machining accuracy is affected by the movement of the workpiece position during the screwing process, thereby improving the machining efficiency of the annular workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an isometric view of the overall structure of the annular workpiece fixing fixture according to one embodiment of the utility model;

[0017] Figure 2 This is an isometric view of the overall structure of an automatic screw driving device according to an embodiment of the utility model;

[0018] In the figure: 1. fixture bracket; 2. clearance groove; 3. insertion hole; 4. limiting protrusion; 5. positioning support; 51. support block 1; 52. support block 2; 6. rotating disk; 7. driving member; 8. unloading mechanism; 81. unloading bracket; 82. pushing cylinder; 83. pushing rod; 84. pushing rod bracket. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0020] See attached Figures 1 to 2 As shown, a ring-shaped workpiece fixing jig in this embodiment includes a jig bracket 1; the jig bracket 1 is provided with at least one group of mutually cooperating limiting protrusions 4 and positioning support parts 5, and a limited space for the ring-shaped workpiece to be clamped is formed between the limiting protrusions 4 and the positioning support parts 5.

[0021] The positioning support part 5 includes a support block 1 51 and a support block 2 52 which are respectively arranged on both sides of the limiting protrusion 4 and protrude from the surface of the fixture bracket 1. The support block 1 51 and the support block 2 52 cooperate with each other to form a platform for the annular workpiece to rest.

[0022] The support block 1 51 and the support block 2 52 are specifically located on both sides of the width direction of the limiting protrusion 4. When the annular workpiece is placed, the bottom surfaces of the left and right ends of its lower ring portion are respectively in contact with the upper surfaces of the support block 1 51 and the support block 2 52. The support block 1 51 and the support block 2 52 can support the annular workpiece.

[0023] With the cooperation of the support block 1 51 , the support block 2 52 and the fixture bracket 1 , the annular workpiece can be kept vertically placed so that the upper ring part can be inserted into the lower ring part from top to bottom and then screwed in to lock it.

[0024] The length of at least one protruding fixture support 1 surface between the support block 1 51 and the support block 2 52 is greater than or equal to the width of the annular workpiece placement end, so as to ensure that the annular workpiece can be stably placed on the support block 1 51 and the support block 2 52, and prevent the annular workpiece from falling off the fixed fixture after being placed, affecting the subsequent screwing process.

[0025] When the screw hole opened on the annular workpiece is located on one side of the support block 2 52, in some embodiments, the length of the support block 1 51 and the support block 2 52 protruding from the jig bracket 1 is greater than or equal to the width of the annular workpiece placement end. At this time, the support block 2 52 is provided with a yield through hole corresponding to the position of the screw through hole on the lower ring portion along its height direction; in other embodiments, the length of the support block 1 51 protruding from the jig bracket 1 is greater than or equal to the width of the annular workpiece placement end, and the length of the support block 2 52 protruding from the jig bracket 1 is less than the distance between the jig bracket 1 and the screw through hole on the annular workpiece, thereby ensuring that the positioning support portion 5 will not interfere with the screw operating portion on the annular workpiece while supporting the annular workpiece.

[0026] The limiting protrusion 4 is arranged to protrude from the surface of the jig bracket 1, and the bottom of the limiting protrusion 4 is provided with an arc surface that fits with the upper surface of the lower ring portion of the annular workpiece. By providing the limiting protrusion 4, the annular workpiece is positioned when it is placed, and the bottom of the limiting protrusion 4 fits with the arc of the upper surface of the lower ring portion, thereby ensuring that after the two sides of the lower ring portion of the annular workpiece are placed on the positioning support 5, there will be no position movement in the left and right horizontal directions. This positioning can ensure the accuracy of the subsequent automatic screwing and ensure the subsequent processing efficiency.

[0027] In some embodiments, the bottom of the limiting protrusion 4 can limit the horizontal movement of the annular workpiece in the left and right directions as long as it is ensured to fit with the top and bottom of the arc surface on the lower ring part. Therefore, the bottom of the limiting protrusion 4 is not limited to be a continuous arc surface.

[0028] The jig support 1 is provided with a clearance groove 2, and the clearance groove 2 is located below the limiting protrusion 4. The jig support 1 is effectively prevented from interfering with the feeding of the annular workpiece.

[0029] The fixture support 1 is vertically arranged and has a plurality of insertion holes 3 formed thereon, the insertion holes 3 corresponding to the positions of the positioning support parts 5. The insertion holes 3 are used for inserting the push rod 83 in the unloading mechanism 8 to push the screwed annular workpiece out of the fixed fixture to realize automatic unloading.

[0030] An automatic screw driving device includes a feeding mechanism 8, wherein the feeding mechanism 8 includes a plurality of push rods 83, and the push rods 83 can be inserted into an insertion hole 3 and push out an annular workpiece clamped on a fixture support 1. The feeding mechanism 8 cooperates with an annular workpiece fixing fixture, and directly pushes the annular workpiece away from the fixture support 1 after the annular workpiece is screwed, thereby realizing automatic feeding and effectively improving the processing efficiency of the annular workpiece.

[0031] A plurality of annular workpiece fixing jigs are arranged around the unloading mechanism 8 on the rotating disk 6. The unloading mechanism 8 also includes an unloading bracket 81 and a push cylinder 82 arranged horizontally thereon. The push cylinder 82 is connected to a push rod 83 through a push rod bracket 84. The plurality of annular workpiece fixing jigs arranged around can realize sequential screwing and automatic unloading of multiple groups of annular workpieces, effectively improving the processing efficiency of the annular workpieces.

[0032] The bottom of the rotating disk 6 is provided with a driving member 7 for rotating it, and the number of the insertion holes 3 and the push rod 83 are the same and the positions are corresponding. The driving member 7 can be a rotary motor or a dividing plate, as long as it can realize driving the rotating disk 6 to rotate. The rotating disk 6 is driven to rotate by the driving member 7, so that the annular workpiece fixing fixture located on the rotating disk 6 is moved to the unloading mechanism 8 in sequence after the screws are tightened, and the push rod 83 is pushed by the push cylinder 82 to insert into the insertion hole 3, and the annular workpiece on the fixture bracket 1 is pushed out, so that the annular workpiece is automatically unloaded, which effectively improves the processing efficiency of the annular workpiece.

[0033] The above implementation modes are only for illustrating the technical concept and features of the utility model, and their purpose is to allow people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A ring-shaped workpiece fixing fixture, characterized in that: It comprises a jig support; the jig support is provided with at least one group of mutually cooperating limiting protrusions and positioning support parts, and a limited space for clamping an annular workpiece is formed between the limiting protrusions and the positioning support parts.

2. The annular workpiece fixing fixture according to claim 1, characterized in that: The positioning support portion includes a support block 1 and a support block 2 which are respectively arranged on both sides of the limiting protrusion and protrude from the surface of the fixture bracket.

3. The annular workpiece fixing fixture according to claim 2, characterized in that: The length of at least one protruding fixture support surface between the support block 1 and the support block 2 is greater than or equal to the width of the annular workpiece placement end.

4. The annular workpiece fixing fixture according to claim 3, characterized in that: The length of the support block 1 protruding from the jig bracket is greater than or equal to the width of the annular workpiece placement end, and the length of the support block 2 protruding from the jig bracket is less than the distance between the jig bracket and the screw through hole on the annular workpiece.

5. The annular workpiece fixing fixture according to claim 1, characterized in that: The limiting protrusion is arranged to protrude from the surface of the fixture bracket, and the bottom of the limiting protrusion is provided with an arc surface that fits with at least a partial area of ​​the upper surface of the lower ring part of the annular workpiece.

6. The annular workpiece fixing fixture according to claim 1, characterized in that: The fixture bracket is provided with a clearance groove, and the clearance groove is located below the limiting protrusion.

7. The annular workpiece fixing fixture according to claim 1, characterized in that: The fixture bracket is vertically arranged and is provided with a plurality of insertion holes, wherein the insertion holes correspond to the positions of the positioning support parts.

8. An automatic screw driving device, comprising at least one annular workpiece fixing fixture according to any one of claims 1 to 7, characterized in that: The utility model comprises a material unloading mechanism, wherein the material unloading mechanism comprises a plurality of push rods, and the push rods can be inserted into the insertion holes and push out the annular workpiece clamped on the jig bracket.

9. The automatic screw driving device according to claim 8, characterized in that: A plurality of annular workpiece fixing jigs are arranged on the rotating disk around the unloading mechanism. The unloading mechanism also includes an unloading bracket and a pushing cylinder horizontally arranged thereon. The pushing cylinder is connected to the pushing rod through the pushing rod bracket.

10. The automatic screw driving device according to claim 9, characterized in that: A driving member for rotating the rotating disk is arranged at the bottom thereof, and the number of the insertion holes is the same as that of the pushing rods and the positions thereof correspond.

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