Combined punch

Abstract

The utility model relates to the technical field of machining accessories, in particular to a combined punch which comprises an outer diameter rod, a clamp installation plate is installed at the bottom end of the outer wall of the outer diameter rod, a punch installation groove is formed in the top end of the outer wall of the outer diameter rod, and a punch body is installed on the inner wall of the punch installation groove. The outer diameter rod and the punch body are arranged in a separated mode, then the punch body is assembled into the outer diameter rod, and therefore the outer diameter rod and the punch body can be fixed through the transverse inserting rod and the positioning screw. The punch body is prevented from being separated from the outer diameter rod in the using process, meanwhile, the stability of connection between the outer diameter rod and the punch body can be improved, the stability and accuracy in the machining process are guaranteed, meanwhile, when the punch body is damaged, people only need to take down the punch body for replacement, and the outer diameter rod can be repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of machined accessories, in particular to a combined punch. Background Art

[0002] In the fields of metal processing, plastic processing, leather processing, etc., punches are widely used in stamping, punching, cutting, forming and other processing processes. Through the design and manufacture of punches, precise processing and shape forming of materials can be achieved, improving production efficiency and product quality.

[0003] The combination punch is a metal part on the stamping die in the mechanical tool. It is a part used in combination with the punch rod, punch nut and punch nut. When the combination punch is used, it is installed on the stamping die, and then continuous punching and cutting operations are performed to separate or plastically deform the processed material, so as to obtain the required finished product or semi-finished product.

[0004] However, in actual use, the punch and the outer diameter rod are of an integrated design, and the punch is a consumable part when in use, especially the punch part, which is easily damaged after long-term use, and needs to be replaced after being damaged to a certain extent. Since the punch and the outer diameter rod are of an integrated design, the outer diameter rod needs to be replaced when the punch is replaced, resulting in a waste of the outer diameter rod. Therefore, there are certain shortcomings.

[0005] In summary, it is necessary to invent a combination punch. Utility Model Content

[0006] To this end, the utility model provides a combined punch to solve the problem that the punch and the outer diameter rod are of an integrated design, which results in the outer diameter rod also needing to be replaced when the punch is replaced, thereby causing waste of the outer diameter rod.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined punch, including an outer diameter rod, a clamp mounting plate is installed at the bottom end of the outer wall of the outer diameter rod, a punch mounting groove is opened at the top end of the outer wall of the outer diameter rod, a punch body is installed on the inner wall of the punch mounting groove, and a fixing component for fixing the punch body is also provided on the outer diameter rod.

[0008] Preferably, the fixing component includes side clamps, and the two side clamps are respectively fixed at the bottom of the outer wall of the punch body, and clamp slots are opened at corresponding positions on both sides of the outer wall of the punch mounting groove, and the outer walls of the side clamps are slidably connected to the inner walls of the clamp slots.

[0009] Preferably, a rotation groove is provided on the inner wall of the outer diameter rod and located below the punch mounting groove, and the outer walls of the side blocks are slidably connected to the inner walls of the rotation groove, and the diameter of the rotation groove is larger than the diameter of the punch mounting groove.

[0010] Preferably, a transverse hole b is opened at the center of the outer wall of the side block, and the transverse hole b passes through the bottom of the outer wall of the punch body. A transverse hole a is opened at the side end of the outer wall of the outer diameter rod, and the transverse hole a is set at 90° to the block slot.

[0011] Preferably, a transverse rod is provided on the inner wall of the transverse hole a, the outer wall of the transverse rod is connected to the inner wall of the transverse hole a, the length of the transverse rod is the same as the diameter of the outer diameter rod, and the outer wall of the transverse rod is connected to the inner wall of the transverse hole b.

[0012] Preferably, positioning screw holes are fixed on the top of the outer wall of the outer diameter rod and on both sides of the punch mounting groove, the inner walls of the positioning screw holes are threadedly connected with positioning screws, and the bottom ends of the positioning screws are in contact with the top of the outer wall of the block slot.

[0013] Preferably, a conical fixing seat is provided on the outer wall of the outer diameter rod and located on the outside of the punch body. The conical fixing seat is a two-stage splicing structure. An external thread is provided on the upper end of the outer wall of the outer diameter rod, and the bottom end of the inner wall of the conical fixing seat is threadedly connected to the outer wall of the outer diameter rod through an internal thread.

[0014] Preferably, the upper end of the inner wall of the conical fixing seat is clamped with the side end of the outer wall of the punch body, and the bottom of the outer wall of the conical fixing seat is provided with a concave groove, and the inner wall of the concave groove is clamped with a fixing ring, and a connecting block is fixed at the joint of the two fixing rings, and the two connecting blocks are fixed by bolts.

[0015] The beneficial effects of the utility model are:

[0016] In the utility model, the outer diameter rod and the punch body are separately arranged, and then the punch body is assembled into the outer diameter rod, and the outer diameter rod and the punch body are fixed by a transverse insertion rod and a positioning screw, so as to avoid the punch body from being separated from the outer diameter rod during use, and at the same time, the stability of the connection between the outer diameter rod and the punch body can be improved, and the stability and accuracy of the machining process can be ensured. At the same time, when the punch body is damaged, the personnel only need to remove the punch body for replacement, and the outer diameter rod can be reused, thereby playing a role in saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the external structure of the utility model in the front view direction;

[0018] Figure 2It is a partial cross-sectional structural schematic diagram of the utility model in the front view direction;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the outer diameter rod in the utility model when viewed from above;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the punch body in the utility model in the front view direction;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the conical fixing seat in the utility model.

[0022] In the figure: 100, outer diameter rod; 110, fixture mounting plate; 120, punch mounting slot; 121, block slot; 122, positioning screw hole; 130, transverse socket a; 200, punch body; 210, side block; 211, transverse socket b; 300, transverse plug rod; 310, positioning screw; 400, conical fixing seat; 401, concave groove; 410, fixing clamp ring; 411, connecting block. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] See attached Figure 1-5The utility model provides a combined punch, including an outer diameter rod 100, a fixture mounting plate 110 is installed at the bottom end of the outer wall of the outer diameter rod 100, the fixture mounting plate 110 is provided to fix the outer diameter rod 100 on the stamping die, a punch mounting groove 120 is provided at the top end of the outer wall of the outer diameter rod 100, a punch body 200 is installed on the inner wall of the punch mounting groove 120, the punch mounting groove 120 is provided to fix the punch body 200 to the outer diameter rod 100, and a fixing component for fixing the punch body 200 is also provided on the outer diameter rod 100, and the fixing component is provided to fix the punch body 200 in the punch mounting groove 120. At the same time, the fixing parts also need to adopt a detachable structure to facilitate personnel to replace the worn punch body 200. The fixing parts include side clamping blocks 210. The two side clamping blocks 210 are respectively fixed to the bottom of the two sides of the outer wall of the punch body 200. Block slots 121 are opened at the corresponding positions on both sides of the outer wall of the punch installation groove 120. The outer walls of the side clamping blocks 210 are slidably connected with the inner walls of the block slots 121. The side clamping blocks 210 are set to limit the position of the punch body 200 after the punch body 200 is inserted into the punch installation groove 120, and the block slots 121 are opened to avoid the side clamping blocks 210 from hitting the punch. The main body 200 is inserted into the punch mounting groove 120 to cause obstruction, and a rotation groove is opened on the inner wall of the outer diameter rod 100 and below the punch mounting groove 120. The outer wall of the side clamping block 210 is slidably connected with the inner wall of the rotation groove. The diameter of the rotation groove is larger than the diameter of the punch mounting groove 120. The rotation groove is opened to enable personnel to rotate when inserting the bottom end of the punch main body 200 into the punch mounting groove 120. The rotation groove is mainly used to avoid the side clamping block 210 from obstructing the rotation, so that the side clamping block 210 can be misaligned with the clamping block slot 121, so as to prevent the punch main body 200 from detaching from the punch mounting groove 120, and the side A transverse insertion hole b211 is provided at the center of the outer wall of the block 210, and the transverse insertion hole b211 passes through the bottom of the outer wall of the punch body 200. The transverse insertion hole b211 is provided to allow the transverse insertion rod 300 to pass through the bottom end of the punch body 200. A transverse insertion hole a130 is provided at the side end of the outer wall of the outer diameter rod 100, and the transverse insertion hole a130 is arranged at 90 degrees with the block slot 121. The transverse insertion hole a130 is provided to allow the transverse insertion rod 300 to be inserted into the rotating groove and to fix the transverse insertion rod 300 with the transverse insertion hole b211, so that the punch body 200 can be fixed after rotation by the transverse insertion rod 300.

[0025] The inner wall of the transverse insertion hole a130 is provided with a transverse insertion rod 300, and the outer wall of the transverse insertion rod 300 is connected to the inner wall of the transverse insertion hole a130. The transverse insertion rod 300 can be made of high-strength metal material, and the transverse insertion rod 300 is used to fix the punch body 200 in the punch mounting groove 120. The length of the transverse insertion rod 300 is the same as the diameter of the outer diameter rod 100. The outer wall of the transverse insertion rod 300 is connected to the inner wall of the transverse insertion hole b211. The top of the outer wall of the outer diameter rod 100 and the two sides of the punch mounting groove 120 are fixed with positioning screw holes 122, and the inner walls of the positioning screw holes 122 are all screwed. The groove is connected with a positioning screw 310, and the bottom end of the positioning screw 310 abuts against the top of the outer wall of the card block slot 121. When the personnel inserts the horizontal insertion rod 300 into the horizontal insertion hole a130 and the horizontal insertion hole b211, the initial fixation of the punch body 200 can be completed. Then the positioning screw 310 can be taken out and rotated into the positioning screw hole 122, so that the positioning screw 310 can be tightly pressed against the top of the outer wall of the side card block 210, thereby the punch body 200 can be fixed for the second time, and the top end of the side card block 210 can also open a hole at the position corresponding to the horizontal insertion hole b211, and the outer The outer wall of the outer diameter rod 100 is provided with a conical fixing seat 400 located on the outer side of the punch body 200. The conical fixing seat 400 is a two-stage splicing structure, and the conical fixing seat 400 is provided to seal and protect the connection end between the punch body 200 and the outer diameter rod 100. The upper end of the outer wall of the outer diameter rod 100 is provided with an external thread, and the bottom end of the inner wall of the conical fixing seat 400 is threadedly connected to the outer wall of the outer diameter rod 100 through an internal thread, and a positioning pin and a positioning socket are provided on the opposite side of the conical fixing seat 400, so that personnel can combine the conical fixing seat 400 together, and the conical fixing seat 400 can After being combined, it can be rotated on the outer wall of the outer diameter rod 100 through the internal thread, so as to limit the outer wall of the punch body 200. The upper end of the inner wall of the conical fixing seat 400 is clamped with the side end of the outer wall of the punch body 200. The bottom of the outer wall of the conical fixing seat 400 is provided with a concave groove 401, and the inner wall of the concave groove 401 is clamped with a fixing clamping ring 410. The connection block 411 is fixed at the junction of the two fixing clamping rings 410. The two connecting blocks 411 are fixed by bolts, and the fixing clamping ring 410 is provided to fix the two conical fixing seats 400 by clamping on the inner wall of the concave groove 401.

[0026] The use process of the utility model is as follows: first, the personnel can take out the outer diameter rod 100 and the punch body 200, and insert the punch body 200 into the punch installation slot 120, and align the side block 210 with the block slot 121. When the punch body 200 is inserted to the bottom end of the punch installation slot 120, the personnel can rotate the punch body 200 by 90° so that the transverse plug hole b211 opened by the side plug block 210 is aligned with the transverse plug hole a130. Then the personnel can take out the transverse plug rod 300 and insert the transverse plug rod 310 into the punch installation slot 120. 00 is inserted into the transverse insertion hole a130, and one end of the transverse insertion rod 300 is passed through the transverse insertion hole b211 and aligned with the transverse insertion hole a130 at the other end, so that the position of the punch body 200 can be fixed and the transverse insertion hole a130 can be closed at the same time. Then the personnel can take out the positioning screw 310 and screw the positioning screw 310 into the positioning screw hole 122, so that the bottom end of the positioning screw 310 abuts against the top of the outer wall of the side block 210, so that the side block 210 can be fixed again;

[0027] After completion, the personnel can remove the conical fixing seat 400 and align the conical fixing seat 400 on the outer wall of the punch body 200, then remove the fixing clamping ring 410 and fix the fixing clamping ring 410 to the inner wall of the concave groove 401 through bolts and connecting blocks 411, so that the conical fixing seat 400 is assembled into a whole, and then the conical fixing seat 400 can be rotated to the outer wall of the outer diameter rod 100, so that the conical fixing seat 400 can be closed at the connection between the outer diameter rod 100 and the punch body 200, and the outer diameter rod 100 and the punch body 200 can be fixed. The personnel can fix the punch on the stamping die through the clamp mounting plate 110 for use. When the punch body 200 is worn, the personnel can remove the conical fixing seat 400, and then unscrew the positioning screw 310, and then use the punch needle to push out the transverse insertion rod 300 to replace the punch body 200.

[0028] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A combined punch, comprising an outer diameter rod (100), wherein a fixture mounting plate (110) is mounted at the bottom end of the outer wall of the outer diameter rod (100), characterized in that: A punch mounting groove (120) is provided at the top end of the outer wall of the outer diameter rod (100), a punch body (200) is installed on the inner wall of the punch mounting groove (120), and a fixing component for fixing the punch body (200) is also provided on the outer diameter rod (100).

2. A combined punch according to claim 1, characterized in that: The fixing component comprises a side clamping block (210), and the two side clamping blocks (210) are respectively fixed to the bottom of the outer wall of the punch body (200), and the outer wall of the punch installation groove (120) is provided with a clamping block slot (121) at the corresponding position on both sides of the outer wall, and the outer wall of the side clamping block (210) is slidably connected to the inner wall of the clamping block slot (121).

3. A combined punch according to claim 2, characterized in that: A rotation groove is provided on the inner wall of the outer diameter rod (100) and is located below the punch mounting groove (120), and the outer wall of the side clamping block (210) is slidably connected to the inner wall of the rotation groove, and the diameter of the rotation groove is larger than the diameter of the punch mounting groove (120).

4. A combined punch according to claim 3, characterized in that: A transverse insertion hole b (211) is provided at the center of the outer wall of the side clamping block (210), and the transverse insertion hole b (211) passes through the bottom of the outer wall of the punch body (200). A transverse insertion hole a (130) is provided at the side end of the outer wall of the outer diameter rod (100), and the transverse insertion hole a (130) is arranged at a (90) degree angle with the clamping block slot (121).

5. A combined punch according to claim 4, characterized in that: The inner wall of the transverse insertion hole a (130) is provided with a transverse insertion rod (300), the outer wall of the transverse insertion rod (300) is connected to the inner wall of the transverse insertion hole a (130), the length of the transverse insertion rod (300) is the same as the diameter of the outer diameter rod (100), and the outer wall of the transverse insertion rod (300) is connected to the inner wall of the transverse insertion hole b (211).

6. A combined punch according to claim 5, characterized in that: Positioning screw holes (122) are fixed at the top of the outer wall of the outer diameter rod (100) and on both sides of the punch mounting groove (120), and the inner walls of the positioning screw holes (122) are threadedly connected with positioning screws (310), and the bottom ends of the positioning screws (310) are in contact with the top of the outer wall of the block slot (121).

7. A combined punch according to claim 2, characterized in that: A conical fixing seat (400) is arranged on the outer wall of the outer diameter rod (100) and located outside the punch body (200); the conical fixing seat (400) is a two-section splicing structure; an outer thread is arranged on the upper end of the outer wall of the outer diameter rod (100); and the inner wall bottom end of the conical fixing seat (400) is threadedly connected to the outer wall of the outer diameter rod (100) via an inner thread.

8. A combined punch according to claim 7, characterized in that: The upper end of the inner wall of the conical fixing seat (400) is clamped with the side end of the outer wall of the punch body (200), the bottom of the outer wall of the conical fixing seat (400) is provided with a concave groove (401), the inner wall of the concave groove (401) is clamped with a fixing ring (410), and a connecting block (411) is fixed at the connection between the two fixing rings (410), and the two connecting blocks (411) are fixed by bolts.

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